Run the sporting_goods.sql script to create database. Use cs431_sport-
ing_goods database for the entire Assignment.
1. Write a script that creates and calls a stored procedure named test. This procedure should include two SQL statements coded as a transaction to delete the row with a athlete_id of 8 from the ath- letes table. To do this, you must first delete all addresses for that athlete from the athlete_addresses table.
If these statements execute successfully, commit the changes. Otherwise, roll back the changes.
2. Write a script that creates and calls a stored procedure named test. This
procedure should include these statements coded as a transaction:
INSERT INTO athlete_orders VALUES (DEFAULT, 3, NOW(), '10.00', '0.00', NULL, 4,
'American Express', '378282246310005', '04/2016', 4);!
SELECT LAST_INSERT_ID()INTO order_id; INSERT INTO athlete_order_items VALUES (DEFAULT, order_id, 6, '415.00', '161.85', 1); INSERT INTO athlete_order_items VALUES Run the sporting_goods.sql script to create database. Use cs431_sport-
ing_goods database for the entire Assignment.
1. Write a script that creates and calls a stored procedure named test. This procedure should include two SQL statements coded as a transaction to delete the row with a athlete_id of 8 from the ath- letes table. To do this, you must first delete all addresses for that athlete from the athlete_addresses table.
If these statements execute successfully, commit the changes. Otherwise, roll back the changes.
2. Write a script that creates and calls a stored procedure named test. This
procedure should include these statements coded as a transaction:
INSERT INTO athlete_orders VALUES (DEFAULT, 3, NOW(), '10.00', '0.00', NULL, 4,
'American Express', '378282246310005', '04/2016', 4);!
SELECT LAST_INSERT_ID()INTO order_id; INSERT INTO athlete_order_items VALUES (DEFAULT, order_id, 6, '415.00', '161.85', 1); INSERT INTO athlete_order_items VALUES athlete with a athlete_id value of 3.
Delete the selected athlete from the Athletes table.
If these statements execute successfully, commit the changes.
Otherwise, rollback the changes. /********************************************************

Presentation Tier - Client-side, Application Tier - Payara server, Data Tier - JavaDB.

i. In a three-tiered architecture using Java EE, Payara server, and JavaDB, each tier runs in the following locations:

1. Presentation Tier (Tier 1): This tier, responsible for the user interface and interaction, runs on the client-side. It typically consists of web browsers or desktop applications that communicate with the application server.

In the case of a Java EE application deployed on a Payara server, the presentation tier runs on the client's web browser or desktop application using HTML, CSS, JavaScript, and JavaServer Faces (JSF) components.

2. Application Tier (Tier 2): This tier contains the business logic and processes the application's functionality. It runs on the application server, which in this case is the Payara server. The application tier handles the processing of requests, business rules, and database access.

It uses Java EE technologies, such as Enterprise JavaBeans (EJB), to implement the business logic. The application tier communicates with the client-side (presentation tier) and the data tier (database).

3. Data Tier (Tier 3): This tier manages the storage and retrieval of data. In the given scenario, JavaDB is used as the database management system (DBMS) and runs on a separate machine or server.

The data tier is responsible for storing, retrieving, and managing the application's persistent data. The application tier interacts with the data tier to perform database operations.

ii. In a Java EE web application deployed on a Payara server, the Enterprise Java Beans (EJB) and JavaServer Faces (JSF) backing beans live in the following locations and serve different purposes:

1. Enterprise Java Beans (EJB): EJBs are server-side components that encapsulate the business logic of an application. They reside in the application tier (Tier 2) of the three-tiered model. When deployed on a Payara server, EJBs run within the application server's runtime environment.

They provide services such as transaction management, security, and resource pooling. EJBs are responsible for implementing the business processes, accessing the data tier, and performing complex computations or operations.

2. JSF Backing Beans: JSF backing beans are server-side Java objects that act as intermediaries between the presentation tier (Tier 1) and the application tier (Tier 2). They reside in the application server alongside the EJBs.

Backing beans are responsible for handling user input, managing the application's state, and interacting with EJBs to process and retrieve data. They provide a link between the user interface components (e.g., web forms) and the business logic implemented in the EJBs.

In summary, EJBs reside in the application tier and handle the application's business logic, while JSF backing beans reside in the same tier and facilitate communication between the presentation tier and the application tier, managing the application's state and user input.

Learn more about business

brainly.com/question/15826679

#SPJ11

To generate a delay of 3 seconds using the Timer 3 module of the PIC18F45K50 MCU with a Fosc = 16 MHz, you can use the following C function:

#include <xc.h>

// Function to generate a delay of 3 seconds using Timer 3

void delay_3_seconds()

{

   // Configure Timer 3

   T3CONbits.TMR3ON = 0;     // Turn off Timer 3

   T3CONbits.T3CKPS = 0b11;  // Prescaler value of 1:256

   TMR3H = 0x85;             // Load Timer 3 high register with value for 3 seconds

   TMR3L = 0xEE;             // Load Timer 3 low register with value for 3 seconds

   // Start Timer 3

   T3CONbits.TMR3ON = 1;     // Turn on Timer 3

   // Wait for Timer 3 to complete

   while (!PIR2bits.TMR3IF) // Wait until Timer 3 overflow interrupt flag is set

   {

       // You can perform other tasks here if needed

   }

   // Reset Timer 3

   PIR2bits.TMR3IF = 0;      // Clear Timer 3 overflow interrupt flag

   T3CONbits.TMR3ON = 0;     // Turn off Timer 3

   TMR3H = 0x00;             // Reset Timer 3 high register

   TMR3L = 0x00;             // Reset Timer 3 low register

}

```

In the above function, Timer 3 is configured with a prescaler value of 1:256 to achieve a delay of 3 seconds. The Timer 3 registers (TMR3H and TMR3L) are loaded with the appropriate values to achieve the desired delay. The function waits for Timer 3 to complete by checking the Timer 3 overflow interrupt flag (TMR3IF) in the PIR2 register. Once the delay is completed, Timer 3 is reset to its initial state.

Please note that the specific register names and configurations may vary depending on the compiler and the exact PIC18F45K50 MCU variant you are using. Make sure to refer to the datasheet and the header files provided by the compiler for the correct register names and configurations for Timer 3.

Learn more about function:

https://brainly.com/question/11624077

#SPJ11

An active highpass filter can be designed with a gain of 10, a corner frequency of 2 kHz, and a gain roll-off rate of 40 dB/decade. The required resistor values are R₁ = 10 kΩ, R₂ = 10 kΩ, and R = 100 kΩ.

To design the active highpass filter, we can use an operational amplifier (op-amp) circuit configuration known as a non-inverting amplifier. The gain of the filter is determined by the ratio of the feedback resistor (R₂) to the input resistor (R₁).

First, we need to determine the values of the capacitors for the desired corner frequency. The corner frequency (f_c) can be calculated using the formula f_c = 1 / (2πRC), where R is the resistance and C is the capacitance. In this case, f_c = 2 kHz.

Now, let's calculate the value of the capacitor (C). Rearranging the formula, we have C = 1 / (2πf_cR) = 1 / (2π * 2,000 * 100,000) ≈ 0.79 nF.

Next, we can determine the feedback resistor (R₂) using the gain formula, Gain = 1 + (R₂ / R₁). Rearranging the formula, we have R₂ = Gain * R₁ - R₁ = 10 * 10,000 - 10,000 = 90,000 Ω.

Finally, we can assemble the circuit using an op-amp with the non-inverting amplifier configuration. Connect R₁ and R₂ in series between the input and the non-inverting terminal of the op-amp. Connect the capacitor (C) between the junction of R₁ and R₂ and the inverting terminal of the op-amp. The output is taken from the junction of R₂ and C.

In summary, to design an active highpass filter with a gain of 10, a corner frequency of 2 kHz, and a gain roll-off rate of 40 dB/decade, you will need resistors R₁ = 10 kΩ, R₂ = 90 kΩ, and R = 100 kΩ, as well as a capacitor of approximately 0.79 nF.

Learn more about active highpass filter visit

brainly.com/question/17587035

#SPJ11

The researcher is going to test the theory on Abusive Supervision to get better generalizability of results. B.

The researcher's study will be an explanatory study as it will test the theory of Abusive Supervision to evaluate the generalizability of the results. C. The research study will be deductive as it will start with a hypothesis that will be tested using research methods to draw conclusions. D.

The ontological position of the study will be objective and positivistic. It will investigate the existence of the abusive supervision construct. The research methodology will test the theory of abusive supervision.E. The axiological position of the study will be value-free, and the researcher will not insert personal opinions and values into the research.

To know more about generalizability visit:

https://brainly.com/question/30746580

#SPJ11

The partial fractions of s²+35+2 is 1/2(s+7+i√6) + 1/2(s+7-i√6) and the inverse Laplace transform of s²+35+2 is (1/2)(e^-7tcos(√6t)u(t)) + (1/2)(e^-7tsin(√6t)u(t)). set of simultaneous differential equations can be represented as follows:

Dx - Dy = -1  (1)2Dx - Dy = 1  (2)Where D is the differential operator such that D(dx/dt) = d²x/dt².Using the D-operator method, we apply the following formula to solve the given differential equations:(aD+b)y = f(x) ---- (3)Here, a, b, and f(x) are known coefficients. We need to find y.(aD+b)z = g(x) ---- (4)Here, a, b, and g(x) are known coefficients. We need to find z.The solution for the given differential equations is as follows:

The Laplace transform of 3H(t-2)-8(t-4) is as follows:L{3H(t-2)-8(t-4)} = L{3H(t-2)} - L{8(t-4)} (Using the linearity property of Laplace transform)Here, L{H(t-a)} = e^(-as)/s. Thus, L{3H(t-2)} = 3e^-2s/s and L{8(t-4)} = 8/sL{3H(t-2)-8(t-4)} = 3e^-2s/s - 8/sThe partial fraction of s²+35+2 is as follows:s²+35+2 = (s+7-i√6)(s+7+i√6)Now, let A be the constant to be determined.(s+7-i√6)(s+7+i√6) = A(s+7+i√6) + B(s+7-i√6)s = -7-i√6, we have 2 = A(s+7+i√6) + B(s+7-i√6)Putting s = -7+i√6, we have A = 1/2Putting s = -7-i√6, we have B = 1/2Thus, we get s²+35+2 = 1/2(s+7+i√6) + 1/2(s+7-i√6)

To know more about differential equations visit :-

https://brainly.com/question/32645495

#SPJ11

To find the shortest path in an m x n matrix, you can use dynamic programming and compute the minimal weight for each cell in the matrix.

Here's an example program in C++ that finds the shortest path:

```cpp

#include <iostream>

#include <vector>

#include <climits>

int findShortestPath(const std::vector<std::vector<int>>& matrix) {

   int m = matrix.size();      // Number of rows

   int n = matrix[0].size();   // Number of columns

   // Create a 2D table to store the minimum weight for each cell

   std::vector<std::vector<int>> dp(m, std::vector<int>(n, INT_MAX));

   // Initialize the first column of the table

   for (int i = 0; i < m; i++) {

       dp[i][0] = matrix[i][0];

   }

   // Compute the minimum weight for each cell

   for (int j = 1; j < n; j++) {

       for (int i = 0; i < m; i++) {

           // Consider the adjacent cells in the previous column

           int prevRow = (i - 1 + m) % m;

           int nextRow = (i + 1) % m;

           // Update the minimum weight for the current cell

           dp[i][j] = matrix[i][j] + std::min(dp[prevRow][j - 1], std::min(dp[i][j - 1], dp[nextRow][j - 1]));

       }

   }

   // Find the minimum weight in the last column

   int minWeight = dp[0][n - 1];

   for (int i = 1; i < m; i++) {

       minWeight = std::min(minWeight, dp[i][n - 1]);

   }

   return minWeight;

}

int main() {

   // Example matrix

   std::vector<std::vector<int>> matrix = {

       {5, 4, 2, 8, 6, 6},

       {1, 8, 2, 7, 4, 3},

       {9, 3, 9, 5, 0, 0},

       {8, 4, 3, 2, 6, 3},

       {7, 2, 8, 6, 0, 0}

   };

   int shortestPath = findShortestPath(matrix);

   std::cout << "Shortest path weight: " << shortestPath << std::endl;

   return 0;

}

```

This program uses a 2D table (dp) to store the minimum weight for each cell in the matrix. It iterates through each column, considering the adjacent cells in the previous column to compute the minimum weight for the current cell. Finally, it finds the minimum weight in the last column, which represents the shortest path weight. In this example, the output will be "Shortest path weight: 17".

Learn more about integers at https://brainly.com/question/749791

#SPJ11

According to the question The correct answer is B. Automatic mode

In automatic mode, the output value of a system is determined by the configured Controller Algorithm, which takes into account the input variables and the desired set point.

The set point is received from the local set point location, indicating the desired value for the output. The system continuously compares the actual output to the set point and makes adjustments through the Controller Algorithm to ensure that the output closely matches the desired value.

This mode allows for automated control and regulation of the system without the need for manual intervention. It enables efficient and precise operation by automatically adjusting the system based on the feedback received from the set point and the current state of the system.

To know more about feedback visit-

brainly.com/question/32100054

#SPJ11

For the given sets P, R, and S, (i) PUS' = {a, d, f, g, h, i, k, l, o, p, q}. (ii) (PURUS)' = {a, b, d, f, g, h, i, k, o, p, q}. (iii) (PUS)'n(PUR) = {a, d, f, g, h, i, k, o, p, q}.

Given the sets P = {b, e, c, j, m, n}, R = {c, l, m, n, o}, and S = {c, e, k, n, g}, we can determine the following:

(i) To find (PUS)', we need to take the complement of the union of sets P, U, and S. Taking the union of P and S gives {b, e, c, j, m, n, k, g}, and the complement of this set would include all elements not in the union, which are {a, d, f, h, i, l, o, p, q}. Hence, (PUS)' = {a, d, f, h, i, l, o, p, q}.

(ii) To find (PURUS)', we need to take the complement of the union of sets P, U, R, U, and S. Taking the union of P, U, R, and S gives {b, e, c, j, m, n, k, g, l, o}, and the complement of this set would include all elements not in the union, which are {a, d, f, h, i, p, q}. Hence, (PURUS)' = {a, d, f, h, i, p, q}.

(iii) To find (PUS)'n(PUR), we need to take the intersection of (PUS)' and PUR. From the previous calculations, we have (PUS)' = {a, d, f, h, i, l, o, p, q} and PUR = {c, l, m, n, o}. The intersection of these sets is {l, o}. Hence, (PUS)'n(PUR) = {l, o}.

b) The Venn diagrams for the given sets P = {1, 2, 4, 6, 8} and Q = {2, 3, 4, 5, 7, 9, 12} can be drawn to visualize their relationships. Listing the elements of each set:

(i) (PUQ)' represents all elements not in the union of P and Q. From the Venn diagram, the elements are {1, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15}.

(ii) [(PUQ) n (PNQ)] U (PUQ)' represents the intersection of (PUQ) and (PNQ), followed by the union of the result with (PUQ)'. From the Venn diagram, the elements are {1, 2, 6, 8, 9, 10, 11, 12, 13, 14, 15}.

To learn more about “Venn diagrams” refer to the https://brainly.com/question/2099071

#SPJ11

A binary CPM signal can be generated by considering a baseband signal $g(t)$, and this signal is modified by a convolution with a square pulse of duration $T$. The square pulse is applied to each baseband sample to generate a CPM signal.

The CPM signal is modulated using binary phase shifts of $0$ and $π$. The binary CPM signal is modulated by multiplying the signal with a carrier frequency that has a constant phase offset for each bit. The system can be modeled by a state diagram, where each state corresponds to a specific phase shift.

To know more about binary CPM signal visit:-

https://brainly.com/question/30467078

#SPJ11

The x86-64 assembly code to copy the DWORD at address 0x654321 to the high DWORD of RAX is:

MOV RAX, QWORD PTR [0x654321]

The above code copies the 64-bit value from memory at address 0x654321 to the RAX register. Since RAX is a 64-bit register and the DWORD (32-bit) value needs to be copied to the high DWORD of RAX, the rest of the bits in RAX are not affected.

The code only requires one instruction to copy the value to RAX. However, to avoid overwriting the rest of the bits in RAX, it's important to ensure that the value at 0x654321 doesn't have any significant bits set beyond the 32 bits that need to be copied.

Otherwise, those bits would also be copied to RAX, which is not what is intended.

To know more about assembly code  visit :

https://brainly.com/question/30762129

#SPJ11

The statement that is incorrect Option (D) is: MPI_Recv() cannot be used to receive data from MPI_Broadcast().

Explanation:MPI stands for Message Passing Interface. It is a standard that was developed to be used for parallel programming models in distributed memory systems. This is used to transfer the data from one computer to another.The statement that is incorrect is: MPI_Recv() cannot be used to receive data from MPI_Broadcast(). MPI_Recv() is a blocking operation that waits until the message is available. MPI_Recv() can be used to receive data from any sender. MPI_Recv() will return with an empty data buffer if the sender did not call MPI_Send(). MPI_Recv() will block if the sender has not sent any data.

The following are the four statements about MPI_Recv() that are correct:MPI_Recv() can be used to receive data from any sender.MPI_Recv() will return with an empty data buffer if the sender did not call MPI_Send().MPI_Recv() will block if the sender has not sent any data.MPI_Recv() cannot be used to receive data from MPI_Broadcast().Hence, the correct option is (D) MPI_Recv() cannot be used to receive data from MPI_Broadcast().

To know more about MPI_Recv() visit:-

https://brainly.com/question/31561171

#SPJ11

Given values are

IA = 1.6225A

IB = 1.04180A

IC = I - IAT - IBT;

where I = IA + IB + IC

Lc = 0.94132∠45°

=0.9 + j0.94132IC

= 3.2843 ∠ -26.57°

=1.6225 + 1.04180 + 3.2843∠-26.57°

For the symmetrical components we need to calculate the positive sequence current, negative sequence current and zero sequence current:

Positive sequence components:

Ia = I1 = IA = 1.6225A

IB = I2 = IA + α^2

IB=1.6225A - j2.7949A

IC = I0 = IA + IB + IC3∠-120°=1.6225A + (1.04180A∠-120°) + 3.2843∠-26.57°

Negative sequence components:

Ia = I1 = IA = 1.6225A

IB = I2 = IA + α^2

IB=1.6225A + j2.7949A

IC = I0 = IA + IB + IC3∠120°=1.6225A + (1.04180A∠120°) + 3.2843∠-26.57°

Zero sequence components:

Ia = I1 = IA + IB + IC

3 = 1.6225A + (1.04180A∠-120°) + 3.2843∠-26.57°

IB = I2 = IA + α^2

IB = 1.6225A + (1.04180A∠120°α^2) + 3.2843∠-26.57°

IC = I0 = IA + IB + IC

30= 1.6225A + 1.04180A + 3.2843∠-26.57°

The symmetrical components of a set of unbalance currents are:

I1 = 1.6225AI2 = 1.6225A - j2.7949AI0 = 1.9833 ∠ -9.63° A;

where α = 2π/3 (for balanced supply α=1) and it is equal to 1∠120° in this case.

To know more about symmetrical components visit:-

https://brainly.com/question/29843920

#SPJ11

The question is to evaluate both sides of the divergence theorem for the volume enclosed by and z = 10. The divergence theorem states that the flux of a vector field through a closed surface is equal to the volume integral of the divergence of the vector field over the enclosed volume.

Mathematically, it can be written as follows where F is a vector field, is the outward unit normal to the surface S, div F is the divergence of the vector field, and V is the volume enclosed by the surface S. Using cylindrical coordinates, we have D = a. The divergence of a vector field in cylindrical coordinates is given by div where are the radial, tangential, and axial components of the vector field, respectively.

Since the vector field is D = a, we have Therefore, the volume integral of the divergence of F over the enclosed volume is zero. To evaluate the flux integral, we need to compute the surface area of the cylindrical surface r = 1 (bottom surface) The outward unit normal to each surface is as follows .

To know more about divergence theorem visit :

https://brainly.com/question/31272239

#SPJ11

The average access time is 7.9 ms + Transfer Time (if available).

To calculate the average access time, we need to consider the seek time, rotational latency, and transfer time. Here are the steps to calculate the average access time:

1. Seek Time:

  The seek time is the time required to move the read/write head to the desired track. It can be calculated using the formula:

  Seek Time = Average Seek Time + (Track-to-Track Seek Time * (Number of Tracks - 1))

  Since the average access delay is given as 7.5 ms, we can assume it as the average seek time.

2. Rotational Latency:

  The rotational latency is the time it takes for the desired sector to rotate under the read/write head. It can be calculated using the formula:

  Rotational Latency = (60 / RPM) * 1000 / 2

  Here, RPM is given as 7500, so we can substitute the value into the formula.

3. Transfer Time:

  The transfer time is the time it takes to transfer the data from the desired sector. It can be calculated using the formula:

  Transfer Time = Sector Size / Transfer Rate

  Since the sector size is not given, we cannot calculate the transfer time.

4. Average Access Time:

  The average access time is the sum of the seek time, rotational latency, and transfer time (if available).

  Average Access Time = Seek Time + Rotational Latency + Transfer Time (if available)

Given that we don't have the sector size or transfer rate, we can calculate the average access time using the seek time and rotational latency only.

Substituting the given values:

Average Seek Time = 7.5 ms

RPM = 7500

1. Seek Time:

  Seek Time = 7.5 ms (given)

2. Rotational Latency:

  Rotational Latency = (60 / 7500) * 1000 / 2

                   = 0.4 ms

3. Transfer Time:

  Since the sector size and transfer rate are not given, we cannot calculate the transfer time.

4. Average Access Time:

  Average Access Time = Seek Time + Rotational Latency + Transfer Time (if available)

                     = 7.5 ms + 0.4 ms + Transfer Time (unknown)

Therefore, the average access time is 7.9 ms + Transfer Time (if available).

learn more about "Transfer Time":- https://brainly.com/question/17146782

#SPJ11

As the statement is not using any aggregate function, all the columns are being retrieved, so it is best to do a full table scan instead of going through the index and access the table. Hence, a full table scan will be performed to access the relational table Orderline.

(iii) In order to execute the SELECT statement that traverse the leaf level of the index horizontally, the index should be a covering index which includes the sum(quantity) as well. The create index statement would be:

CREATE INDEX sum_qty_index ON OrderLine (orderNum, lineNum, quantity)

INCLUDE (sum(quantity));

(iv) In order to execute the SELECT statement that traverses the index vertically and then horizontally, an index on discount attribute is needed. The create index statement would be:

CREATE INDEX discount_index ON OrderLine(discount);

(v) In order to execute the SELECT statement that traverses the index vertically, an index on (orderNum, lineNum, item) attributes is needed. The create index statement would be:

CREATE INDEX orderNum_lineNum_item_index ON OrderLine (orderNum, lineNum, item);

As the statement is not using any aggregate function, all the columns are being retrieved, so it is best to do a full table scan instead of going through the index and access the table. Hence, a full table scan will be performed to access the relational table Orderline.

To know more about index visit: https://brainly.com/question/32793068

#SPJ11

In C++, When an argument is pass by value, only a copy of the argument value is passed into a function, this statement is true.When you call a function in C++, you need to provide it with some input values known as parameters or arguments.

Parameters are variables declared in a function definition that receive data from a function call when a function is called. The argument is the real value passed into the function from the calling program.When a parameter is passed by value, the argument value is copied to a new variable inside the function.

This implies that any modifications to the parameter are only made inside the function, and the original argument is unaffected.

To know more about argument visit:

https://brainly.com/question/2645376

#SPJ11

In the research paper structure and outline, the data center component and operation section requires the following details:(a) List and describe what is in the data center facility:

This component requires the list of resources and services that are available in the data center. These may include servers, storage devices, networking hardware, power and cooling systems, and security systems.(b) Discuss each of the components of the data center of the chosen organization: Here, the researcher is required to discuss the various components of the data center design of the chosen organization.

These components may include servers, routers, switches, storage devices, firewalls, and application-delivery controllers.(c) Present the infrastructure: In this part, the researcher should present the infrastructure used in the data center. This may include virtual networks, pools of physical infrastructure, multicloud environment, and interconnectivity across multiple data centers.

To know more about research visit:

https://brainly.com/question/24174276

#SPJ11

The provided code is a user management system that includes a login functionality and a menu-driven program. It allows users to register, add tasks, view tasks, and exit the program.

The code that implements compulsory in the given Capstone template project .

#importing libraries
import datetime

#defining a dictionary to store all the users.
user = {}
with open('user.txt') as file:
   for line in file:
       name, password = line.strip().split(', ')
       user[name] = password

#====Login Section====
'''Here you will write code that will allow a user to login.
- Your code must read usernames and password from the user.txt file
- You can use a list or dictionary to store a list of usernames and passwords from the file.
- Use a while loop to validate your user name and password.
'''

while True:
   username = input('Enter username: ')
   password = input('Enter password: ')
   if username in user and user[username] == password:
       print(f'Welcome {username}!')
       break
   else:
       print('Invalid username or password. Please try again.')
       continue
   #presenting the menu to the user and
   # making sure that the user input is coneverted to lower case.
   menu = input('''Select one of the following Options below:
   r - Registering a user
   a - Adding a task
   va - View all tasks
   vm - view my task
   e - Exit
   : ''').lower()

   if menu == 'r':
       new_username = input('Enter a new username: ')
       while True:
           new_password = input('Enter a new password: ')
           confirm_password = input('Confirm password: ')
           if new_password == confirm_password:
               with open('user.txt', 'a') as file:
                   file.write(f'\n{new_username}, {new_password}')
               print('User registered successfully!')
               break
           else:
               print('Passwords do not match. Please try again.')
               continue

   elif menu == 'a':
       username_assigned = input('Enter username of the person to whom the task is assigned: ')
       task_title = input('Enter the title of the task: ')
       task_description = input('Enter a description of the task: ')
       due_date = input('Enter the due date of the task (in the format DD/MM/YYYY): ')
       date_added = datetime.date.today().strftime('%d %b %Y')
       with open('tasks.txt', 'a') as file:
           file.write(f'\n{username_assigned}, {task_title}, {task_description}, {date_added}, {due_date}, No')
       print('Task added successfully!')

   elif menu == 'va':
       with open('tasks.txt') as file:
           tasks = file.readlines()
           if not tasks:
               print('No tasks found.')
           else:
               for i, task in enumerate(tasks):
                   task = task.strip().split(', ')
                   print(f'{i+1}. Task title: {task[1]}')
                   print(f'   Assigned to: {task[0]}')
                   print(f'   Date assigned: {task[3]}')
                   print(f'   Due date: {task[4]}')
                   print(f'   Task completed? {task[5]}')
                   print()

   elif menu == 'vm':
       with open('tasks.txt') as file:
           tasks = file.readlines()
           if not tasks:
               print('No tasks found.')
           else:
               for task in tasks:
                   task = task.strip().split(', ')
                   if task[0] == username:
                       print(f'Task title: {task[1]}')
                       print(f'Description: {task[2]}')
                       print(f'Date assigned: {task[3]}')
                       print(f'Due date: {task[4]}')
                       print(f'Task completed? {task[5]}')
                       print()
                   else:
                       print('No tasks found for this user.')

   elif menu == 'e':
       print('Goodbye!')
       break

   else:
       print('Invalid menu option. Please try again.')

Learn more about management system: brainly.com/question/14688347

#SPJ11

The provided implementation presents a generic dynamic FIFO class using a singly linked list. Enqueue and dequeue operations have O(1) time complexity, and the class handles multiple assignments correctly with the copy constructor and assignment operator.

The following is a possible implementation of a generic dynamic FIFO (F(s)) class that handles multiple assignments:

```template  class FIFO {private:    struct Node {        T data;        Node* next;    };    Node* head;    Node* tail;    int size;public:    FIFO() {        head = nullptr;        tail = nullptr;        size = 0;    }    ~FIFO() {        while (!isEmpty()) {            dequeue();        }    }    bool isEmpty() {        return size == 0;    }    void enqueue(T data) {        Node* newNode = new Node;        newNode->data = data;        newNode->next = nullptr;        if (isEmpty()) {            head = newNode;            tail = newNode;        } else {            tail->next = newNode;            tail = newNode;        }        size++;    }    T dequeue() {        if (isEmpty()) {            throw "FIFO is empty";        }        Node* temp = head;        T data = temp->data;        head = head->next;        if (head == nullptr) {            tail = nullptr;        }        delete temp;        size--;        return data;    }    FIFO(const FIFO& other) {        head = nullptr;        tail = nullptr;        size = 0;        Node* current = other.head;        while (current != nullptr) {            enqueue(current->data);            current = current->next;        }    }    FIFO& operator=(const FIFO& other) {        if (this != &other) {            while (!isEmpty()) {                dequeue();            }            Node* current = other.head;            while (current != nullptr) {                enqueue(current->data);                current = current->next;            }        }        return *this;    }};```

The above implementation uses a singly linked list to implement the FIFO data structure. The enqueue and dequeue operations have O(1) time complexity. The copy constructor and assignment operator have been implemented to correctly handle multiple assignments.

Learn more about FIFO class: brainly.com/question/29816253

#SPJ11

It will take 120 years for the population to reach 320 million members. the logarithm (base 2) of both sides 6 = t/20

To determine how long it will take for the population to reach 320 million members, we can use the exponential growth model based on the given information.

Let's denote the initial population as P₀ (5 million members) and the time it takes for the population to double as T (20 years). We want to find the time it takes for the population to reach 320 million members, which we'll denote as Pₜ.

The exponential growth model can be expressed as:

Pₜ = P₀ * (2^(t/T))

Substituting the given values:

320 million = 5 million * (2^(t/20))

Dividing both sides of the equation by 5 million:

64 = 2^(t/20)

To isolate the exponent, we can take the logarithm (base 2) of both sides:

log₂(64) = t/20

Simplifying:

6 = t/20

Multiplying both sides by 20:

t = 120

Therefore, it will take 120 years for the population to reach 320 million members.

Learn more about population here

https://brainly.com/question/14956723

#SPJ11

Moore's Law predicts chip technology development through the industry's drive for continuous improvement. Multi-core structures after 2005 have extended Moore's Law by enabling parallel processing and addressing transistor scaling limitations.

Moore's Law, formulated by Intel co-founder Gordon Moore in 1965, states that the number of transistors on a microchip doubles approximately every two years.

Despite being an empirical observation rather than a physical law, Moore's Law has proven remarkably accurate in predicting the development of chip technology for several reasons.

Firstly, Moore's Law is based on the understanding that the semiconductor industry operates on a cycle of continuous improvement and innovation. This cycle is driven by the market demand for more powerful and efficient computing devices.

The relentless pursuit of miniaturization and increased transistor density has been a fundamental objective of the industry, leading to the consistent progress observed over the years.

Secondly, Moore's Law has acted as a self-fulfilling prophecy. The widespread acceptance and anticipation of its validity have motivated researchers, engineers, and manufacturers to push the boundaries of technological advancements. It has provided a benchmark and a goal to strive for, fostering competition and collaboration within the industry.

Regarding the continuation of Moore's Law after 2005, the introduction of multi-core structures has been instrumental.

As transistor scaling reached physical and technological limitations, simply increasing the number of transistors on a single chip became increasingly challenging. Instead, the industry shifted towards incorporating multiple processor cores on a single chip.

Multi-core structures allow for parallel processing, enabling tasks to be divided among multiple cores, thereby enhancing performance and efficiency. While individual cores may not see the same exponential growth as predicted by Moore's Law, the cumulative effect of multiple cores operating in tandem can still deliver significant computational power improvements.

Multi-core architectures also address the growing concerns of power consumption and heat dissipation, which became more prominent as transistor sizes approached atomic scales. By distributing the workload across multiple cores, power usage and heat generation can be managed more effectively.

In conclusion, Moore's Law has accurately predicted the development of chip technology due to the cyclical nature of the semiconductor industry and the drive for innovation. Multi-core structures have successfully extended the life of Moore's Law by enabling parallel processing and addressing the limitations of transistor scaling.

The combination of these factors has allowed the industry to continue delivering advancements in chip performance, albeit in a different form than originally anticipated by Moore's Law.

Learn more about Moore's Law:

https://brainly.com/question/12929283

#SPJ11

Given: Binary data = 01001101 Transmission bit sequence = P1, P2,0,P4,1,0,0,P8,1,1,0,1P1 = 0, P2=0, P4 = 1, P8 = 1Even parity Hamming code Hamming code: It is an error-correcting code that is used to detect and correct the errors that occur during the transmission of data. It adds extra bits to the data bits so that the number of bits becomes even.

These bits are used to detect the error and correct it. In even parity Hamming code, the number of 1's in the bit string is made even. If the number of 1's in the original bit string is even, then we add 0 to the end of the bit string. If the number of 1's in the original bit string is odd, then we add 1 to the end of the bit string.

So, here we have binary data that is to be transmitted using even parity Hamming code. The binary data is 01001101.To use even parity Hamming code, we need to find the parity bits. The parity bits are used to check whether the number of 1's in the code is even or odd. To find the parity bits, we follow the steps given below.

Step 1: Write the binary data with space between every 4 bits.0100 1101

Step 2: Calculate the number of 1's in each group of bits.0100 → 1 1 0 0 → 2 1's1101 → 1 1 0 1 → 3 1's

Step 3: If the number of 1's in each group of bits is even, then add 0 to the end of the bit string. If the number of 1's in each group of bits is odd, then add 1 to the end of the bit string.

To know more about extra visit:

https://brainly.com/question/31555255

#SPJ11

The students can use any other development board that is available and supports the required MCU for their project. They can also try to find the required MCU from other sources online or offline. Another option could be to use a different MCU that is similar to ATmega328P and has similar specifications.

Half Adder: The logic gates related to the half adder are as follows: Two input AND gateTwo input XOR gate2. Circuit Diagram of Half Adder: The circuit diagram of the Half Adder is shown below with input and output.   Input : A and B are the two inputs. Sum and Carry are the outputs.   Output: Sum is the sum of two inputs and Carry is the carry generated by the two inputs.3.

Truth Table: The truth table of the Half Adder is shown below.   Sum and Carry are the two outputs of the Half Adder.    A    B    Sum    Carry  0    0    0    0  0    1    1    0  1    0    1    0  1    1    0    1

To know more about development visit:-

https://brainly.com/question/32668144

#SPJ11

CP1PS and CB2PS being connected to a 33kV busbar is part of an electrical system. In electrical engineering, the busbar is used to distribute electrical power through electrical substations.

In the given scenario, CP1PS and CB2PS are the switchgears connected to the busbar.The busbar rating can be determined as follows;The busbar rating can be calculated using the formula:I = (1.2 x S) / VLwhere;I = rated currentS = busbar capacityVL = line voltageFor the given scenario, the line voltage is 33kV hence;I = (1.2 x S) / 33000 VSubstituting the value of I as 2000A (the rated current), we have;2000 = (1.2 x S) / 33000 VSimplifying the above equation, we get:

S = 68.75 MVATherefore, the rating of the busbar is 68.75 MVA.Rationalizing the configuration of the busbarThere are different types of busbar configurations such as; single busbar, double busbar, ring busbar, breaker and a half busbar and mesh busbar. The configuration of the busbar in this scenario is a double busbar configuration.The double busbar configuration is designed to provide redundancy and to minimize downtime in case of maintenance or faults. In this configuration, two independent busbars are used. One busbar carries the load while the other busbar remains as a standby to take over in case of a fault. The double busbar configuration is highly reliable as it allows for the segregation of loads and different parts of the power system.

TO know more about that substations visit:

https://brainly.com/question/29283006

#SPJ11

def int_extractor(*strings): return [int(char) for string in strings for char in string.split() if char.isdigit()]

Here is the function `int_extractor` written in Python as requested:

```python

def int_extractor(*strings):

   return [int(char) for string in strings for char in string.split() if char.isdigit()]

```

This function takes a variable number of strings as parameters. It uses list comprehension with two nested for loops to iterate over each word in the strings. The `split()` method is used to split each string into individual words. The `isdigit()` method is then used to check if a word consists of digits only. If it does, the `int()` function is applied to convert the digit string to an integer. The resulting integers are collected in a new list, which is returned by the function.

Example usage:

```python

str1 = "Get only the numbers 1"

str2 = "in a sentence like 'In 1984"

str3 = "there were 13 instances of a"

str4 = "protest with over 1000 people attending'"

resulting_list = int_extractor(str1, str2, str3, str4)

print(resulting_list)  # Output: [1, 1984, 13, 1000]

```

Please make sure to save this code in a file named `lab14_p4.py` to use it as a module.

Learn more about strings

brainly.com/question/946868

#SPJ11

A mathematical function known as a boolean function yields a binary output from binary inputs. Here's an example of Verilog code for a CMOS circuit that implements the given Boolean function

Y = (AB + CD + AED + CEB)':

module CMOS_Circuit (

 input A, B, C, D, E,

 output Y

);

 wire term1, term2, term3, term4;

 assign term1 = A & B;

 assign term2 = C & D;

 assign term3 = A & E & D;

 assign term4 = C & E & B;

 assign Y = ~(term1 | term2 | term3 | term4);

endmodule

And here's an example of a testbench to verify the functionality of the CMOS circuit:

module CMOS_Circuit_Testbench;

 reg A, B, C, D, E;

 wire Y;

 CMOS_Circuit uut (

   .A(A), .B(B), .C(C), .D(D), .E(E),

   .Y(Y)

 );

 initial begin

   $display("A B C D E | Y");

   $display("----------------");

   for (A = 0; A <= 1; A = A + 1) begin

     for (B = 0; B <= 1; B = B + 1) begin

       for (C = 0; C <= 1; C = C + 1) begin

         for (D = 0; D <= 1; D = D + 1) begin

           for (E = 0; E <= 1; E = E + 1) begin

             #1 $display("%b %b %b %b %b | %b", A, B, C, D, E, Y);

           end

         end

       end

     end

   end

   $finish;

 end

endmodule

This Verilog code defines a module CMOS_Circuit that implements the Boolean function Y = (AB + CD + AED + CEB)'. The inputs A, B, C, D, and E are connected to the CMOS circuit, and the output Y is the result of the Boolean function.

The testbench module CMOS_Circuit_Testbench verifies the functionality of the CMOS circuit by applying all possible input combinations and displaying the corresponding output Y.

You can simulate and test this code using a Verilog simulator, such as ModelSim or Icarus Verilog, by compiling and running both the CMOS_Circuit module and the CMOS_Circuit_Testbench module together.

To know more about Boolean Function visit:

https://brainly.com/question/27885599

#SPJ11

The minterms used in each group of adjacent squares on the map as well as the final minimized Boolean function is F = m0 + m5 + m7 + m9 + m10 + m13

Karnaugh map is a powerful tool used in digital electronics to simplify Boolean functions. It is used to obtain the simplified form of the Boolean function of the given expression, which has two to five variables. Now, let us use the K-map to minimize the following Boolean function: `F = m0 + m1 + m5 + m7 + m9 + m10 + m13 + m15.

The adjacent squares are formed in the Karnaugh map, which is used for simplification. In this map, there are four groups of adjacent squares.

The minterms used in each group of adjacent squares on the map are as follows:

Group 1: m0, m1, m4, m5

Group 2: m7, m6, m5, m4.

Group 3: m9, m10, m13, m12Group 4: m15, m14, m13, m12, m11

The final minimized Boolean function for the given function is F = m0 + m5 + m7 + m9 + m10 + m13

Learn more about Boolean function at https://brainly.com/question/27885599

#SPJ11

The minterms used in each group of adjacent squares on the map, as the final minimized Boolean function, will be;

F = m0 + m5 + m7 + m9 + m10 + m13

K-map refers to the Karnaugh map that is a powerful tool used in digital electronics to simplify Boolean functions and used to obtain the simplified form of the Boolean function of the given expression, which has two to five variables.

Now use the K-map to minimize the following Boolean function:

`F = m0 + m1 + m5 + m7 + m9 + m10 + m13 + m15.

The adjacent squares are formed in the Karnaugh map, that is used for simplification. In this map, there are four groups of adjacent squares.

The minterms used in each group of adjacent squares on the map is;

Group 1: m0, m1, m4, m5

Group 2: m7, m6, m5, m4.

Group 3: m9, m10, m13, m12

Group 4: m15, m14, m13, m12, m11

The final minimized Boolean function is F = m0 + m5 + m7 + m9 + m10 + m13

Learn more about Boolean function at ;

brainly.com/question/27885599

#SPJ4

The given equation is:3V - 2V = 0It is the simplified version of the equation that has to be solved using the opamp circuit.

In this equation, we have to remove the value of V, so first let's simplify the equation as follows:V = 0/1V = 0Now, the value of V is 0, so we have to design an opamp that can work on this value. The opamp can be designed using the inverting amplifier configuration of the opamp.

This configuration of the opamp is used to amplify the input voltage signal.In the inverting amplifier configuration of the opamp, we use one input terminal and one output terminal to amplify the signal. The input voltage signal is applied to the negative terminal of the opamp and the output voltage signal is taken from the output terminal of the opamp.T

To know more about equation visit:-

https://brainly.com/question/32578705

#SPJ11

Given the root node of a binary tree, the code that deletes the tree has to be written. This means deleting all the nodes in the tree without a memory leak. The function named delete_tree() has to be defined.

The function prototype of the delete_tree() function has already been defined. The implementation of the delete_tree() function has to be added to the given code. The delete_tree() function can be implemented using recursion. The following is the implementation of the delete_tree() function: template void delete_tree(TreeNode *tree) {if (tree == nullptr) {return;}delete_tree(tree->left);delete_tree(tree->right);delete tree;} The delete_tree() function is implemented using recursion.

The function accepts a TreeNode pointer as a parameter. The base condition for recursion is that if the TreeNode pointer is null, then the function returns. If the TreeNode pointer is not null, then the delete_tree() function is called recursively for the left child and the right child of the TreeNode. After this, the TreeNode itself is deleted using the delete operator.

To know more about binary tree visit:

brainly.com/question/20377005

#SPJ11

The reference bending stress (fb) and other specific values needed for the calculations are not provided in the problem statement. These values would need to be obtained from relevant design standards or specifications to perform the complete analysis.

The Douglas Fir Glulam column needs to be assessed for its ability to resist both the bending moment and the axial compression load simultaneously.

To determine the adequacy of the column, we need to compare the combined stress with the allowable stress for the material.

The combined stress can be calculated using the formula:

Combined stress = sqrt((axial stress)^2 + (bending stress)^2 + 3*(bending stress)*(axial stress))

Given that the axial stress (σa) is 60,000 lbs and the bending stress (σb1) is 500 psi, we can substitute these values into the formula to calculate the combined stress.

Combined stress = sqrt((60,000)^2 + (500)^2 + 3*(500)*(60,000))

Next, we need to calculate the allowable stress for the material. The allowable stress (σallow) can be obtained by multiplying the reference bending stress (fb) by the beam stability factor (CL) and the beam size factor (Cy).

σallow = fb * CL * Cy

Since the problem statement provides CL = 0.96 and Cy = 1.0, we can substitute these values into the formula along with the reference bending stress (fb) to calculate the allowable stress.

Finally, we compare the combined stress to the allowable stress. If the combined stress is less than or equal to the allowable stress, then the column is adequate to resist both the bending moment and the axial compression load simultaneously. Otherwise, the column may not be adequate, and further analysis or modifications would be required.

Please note that the reference bending stress (fb) and other specific values needed for the calculations are not provided in the problem statement. These values would need to be obtained from relevant design standards or specifications to perform the complete analysis.

Learn more about analysis here

https://brainly.com/question/29663853

#SPJ11