By including additional properties and methods, a subclass can expand the superclass.
Whenever it is called, a method, which is a block of code, runs. A method accepts data that you can supply as parameters. In addition to being called functions, methods are utilized to carry out specific operations. The statements that make up a Java method are arranged in a specific order to carry out a specific task. For instance, the system actually runs multiple statements when you call the System. out. println() method in order to display a message on the console. A method is a programmed operation that is defined as a component of a class and present in every object that belongs to that class in object-oriented programming. Multiple methods may exist for a class, and subsequently for an object. In a similar vein, a Java method is a group of commands that executes. In Java, the term "method" refers to the same thing that other languages refer to as a "function." A method is specifically a class-specific function. A function is a component of a program that can be reused; it is also known as a procedure or subroutine.
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which observation is true of the agile approach to software development?
Requirements and solutions are collaboratively developed using the agile methodology for software development.
A project can be managed by segmenting it into different phases using the agile methodology . Continuous improvement is required at every stage, as well as ongoing collaboration with stakeholders. Teams cycle through a process of planning, carrying out, and assessing their work after it has started. Continuous communication with team members and project stakeholders is essential. It requires working in iterations and ongoing collaboration to manage a project. Agile project management is based on the idea that a project may be continuously improved upon throughout its life cycle, with changes being made promptly and in response to the needs of the project.
Due to its adaptability, flexibility, and emphasis on client feedback, agile project management is among the most widely used methods.
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a compound boolean expression created with the and operator is true only when both subexpressions are true. t/f?
A logical assertion that can only be TRUE or FALSE is called a Boolean expression. As long as both sides of the expression have the same fundamental data type, Boolean expressions can compare data of any kind. Data can be tested to check if it is more than, less than, or equal to other data.
Explain about the Boolean expression?Boolean operators are simple words (AND, OR, NOT, or AND NOT) that are used in conjunction with keywords to combine or exclude them from searches in order to produce more specialized and helpful results. Time and effort should be saved by removing irrelevant hits that need to be inspected before being eliminated.
A "sum of min terms" or a "product of max terms" can be used to represent any Boolean function, respectively. Sum of Products (SOP) and Product of Sum are the official terms for Boolean expression representation (POS).
If a logical and (&&) is used to combine two Boolean values or expressions and the first expression returns false, the second expression won't be used. Since both sides of the & must be true for the result to be true, if the first expression is false, the result will also be false.
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Which constructs break or bend the normal functional programming rules of scheme?
Lambda constructs break or bend the normal functional programming rules of scheme.
Programming languages in the Lisp family include Scheme. The Lambda Papers are a collection of memoranda that were disclosed by Guy L. Steele and Gerald Jay Sussman, who developed Scheme at the MIT AI Lab in the 1970s.
It was the first Lisp dialect to choose for lexical scope and the first to demand tail-call optimization from implementations, providing stronger support for functional programming and related strategies like recursive algorithms. The first programming language to offer first-class continuations was this one. It significantly influenced the work that went into creating Common Lisp.
The official IEEE standard[2] and a de facto standard known as the Revised Report on the Algorithmic Language Scheme both contain standards for the Scheme language (RnRS). R5RS is a commonly used standard (1998). [3] "R7RS-small" is the most recent Scheme standard to be ratified (2013). [4] In 2007, the R6RS, which is more extensive and modular, was approved. [5] Both are descended from R5RS, and the sequence below shows the ratifications in chronological order.
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what are three ways that media access control is used in networking? (choose three.)
The three ways are, Ethernet makes use of CSMA/CD, Data placement is provided via media access control and The guidelines for access to various media are set forth in data link layer protocols.
Media access control in wired Ethernet networks is performed using CSMA/CD. CSMA/CA, a comparable technique, is used in IEEE 802.11 wireless networks. Data frames are positioned on the media according to media access control rules.
The family of LAN products protected by the IEEE 802.3 standard, also known as the CSMA/CD protocol, are referred to as Ethernet.
The controlled access method does not use contention-based access to networks; instead, it is deterministic. Collisions do not occur in controlled access networks like traditional Token Ring because each device has its own time to use the medium.
Multiple devices can access a shared media network using a manner enforced by media access control (MAC) protocols. Communication between computing devices had previously been point-to-point before LAN .
In other words, a dedicated channel was used to connect the two machines. LANs are shared media networks where each broadcast is received by all connected devices, who then have to decide which frames to accept. The network's cost was decreased through media sharing, but MAG procedures were also required to manage the medium's use.
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write a program that asks the user to enter a number of seconds and then prints the same amount of time in days, hours, minutes, and seconds.
inp = int(input("Enter amount of seconds: "))
for i in range(4):
idx = (39630*((i+1)**2))-(201690*(i+1))+248460
calc = str(int(inp/idx))+" days," if (i+1==1) else str(int(inp/idx))+" hours," if (i+1==2) else str(int(inp/idx))+" minutes," if(i+1==3) else str(inp)+" seconds."
print(calc)
inp-=idx*int(inp/idx)
you have a remote user who can connect to the internet but not to the office via their vpn client. after determining the problem, which should be your next step?
ipv6 addresses are written using which number system?
IPv6 addresses are 128 bits long and are represented as a string of hexadecimal digits. A single hexadecimal digit can represent every four bits, for a total of 32 hexadecimal values (016 [00002] through f16 [11112]).
IPv6 addresses are classified into three types: unicast, anycast, and multicast. Unicast addresses are used to identify a single interface. Anycast addresses identify a group of interfaces so that a packet sent to an anycast address is delivered to a member of the group. An IP address is typically written in decimal digits, separated by periods, and formatted as four 8-bit fields. Each 8-bit field corresponds to one byte of the IP address. The dotted-decimal format is a common way of representing the bytes of an IP address.
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Which of the following statements about PHP arrays is false?
a. Sarr[="foo" is an example of adding an element to the end of an array.
b. Sarr = array("fon"=> 1, 1=> "foo"); is a valid array declaration.
c. foreach($arr as Skey) is an example of iterating through array values.
d. foreach($arr as $key) is an example of iterating through array keys.
foreach($arr as $key) is an example of iterating through array keys. This statements about PHP arrays is false.
An ordered map is what PHP array considers an array to be. A type that links values and keys together is a map. This type is designed to be used in a variety of situations and can be used as an array, list (vector), dictionary, hash table (an implementation of a map), stack, queue, and presumably other things as well. Trees and multidimensional arrays are also feasible due to the fact that array values may be other arrays. Give a definition of an array.
A collection of identically typed objects arranged in a row or column of memory that can each be independently referred to using an index to a special identifier is known as an array. The declaration of an array for five int values eliminates the need to declare five separate variables.
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performing a forensic analysis of a disk 200 gb or larger can take several days and often involves running imaging software overnight and on weekends. (t/f)
It can take many days to complete a forensic study of a disk 200 GB or bigger, and it frequently requires running imaging software at odd hours and on the weekends. Taking the Guidance Software Encase training courses is a requirement for taking the EnCE certification exam.
What is EnCase forensic tool?Professionals in the public and private sectors can get certification in the usage of OpenText TM EnCase TM Forensic through the EnCaseTM Certified Examiner (EnCE) program.Professionals who hold an EnCE certification have mastered computer investigation techniques and the usage of Encase software during difficult computer testsQualifications in Training and Experience you must have completed 64 hours of official computer forensic training (online or in a classroom), OR you must have 12 months of relevant job experience.In forensics, Encase is typically used to extract evidence from confiscated hard drives. It helps the investigator to gather evidence including papers, photos, internet history, and Windows Registry data by conducting in-depth research of user files.To learn more about forensic analysis, refer to:
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Write a single statement that will print the message "first is " followed by the value of first, and then a space, followed by "second = ", followed by the value of second. Print everything on one line and go to a new line after printing. Assume that the variables have already been given values.
The single statement that will print the message is, print("first is " + str(first) + " second = " + str (second)). Python is used in the aforementioned print command.
Python is used in the aforementioned print command. If first and second are strings, then we only need to write the variable name and don't need to use str. This statement publishes the information given in response to the query on one line before printing a new line. A well-liked programming language is Python. Web applications can be developed on a server using Python. A high-level, all-purpose programming language is Python. Code readability is prioritized in its design philosophy, which makes heavy use of indentation. [33]
Python uses garbage collection and has dynamic typing. It supports a variety of programming paradigms, including procedural, object-oriented, and functional programming as well as structured programming (especially this). Due to its extensive standard library, it is frequently referred to as a "batteries included" language.
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what can we use to determine what policies will be applied for a given machine?
We can use a test domain to determine what policies will be applied for a given machine.
In testing the outcome and behavior of group policy configuration options, a test domain could be very useful ; it wouldn't be a good way to figure out the overall list of policies that would be applied, though.
Here's the complete question:
What can we use to determine what policies will be applied for a given machine?
a.gpupdate
b.control panel
c.a test domain
d.an RSOP report
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An advance-fee fraud attack involves the interception of cryptographic elements to determine keys and encryption algorithms.
a. True
b. False
Option b is correct. It is false that an advance-fee fraud attack involves the interception of cryptographic elements to determine keys and encryption algorithms.
According to the Federal Bureau of Investigation, an advance fee fraud is when a victim gives money to someone in return for the assurance of receiving something of greater value. To trick people into falling into their traps, these con artists provide alluring promises.
The World Wide Web's anonymity has led to an increase in scams and fraud. Cybercriminals now use the quickness of the internet, social media, and email to carry out their questionable schemes.
The advance fee fraud is one of the many ways to con people online. This kind of cybercrime is intended to look authentic and alluring so that victims find it challenging to refuse. Sweepstakes/lotteries, a form of advance fee fraud, were one of the top 10 online scams of 2021, according to Vermontbiz.com.
Understanding what a cyberattack is and how the scams is carried out by attackers is the first step in defending against one.
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You have data for Regions, Products, and Customers. Which option on a Pivot Table will you find in the Fields list?
a. Filters
b. Rows
c. Regions
d. Values
Option C is correct. Regions option on a Pivot Table will you find in the Fields list.
The four pivot table areas are located at the bottom of the PivotTable Field List pane: Report Filter, Column Labels, Row Labels, and Values. If you used a Recommended PivotTable layout, the fields from that layout will appear in those areas. It has four sections (Filters, Columns, Rows, and Values) where you can put different field names to make a PivotTable. The task pane also includes a checklist of fields from which to select data.
Fields and Areas make up the PivotTable Fields Task Pane. The Task Pane is displayed on the right side of the window by default, with Fields displayed above Areas. Fields are checkboxes that represent the columns in your data - range or Excel table.
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Which of the following describes a key that has values that have an obvious meaning to users? A. Artificial Key B. Simple Key C. Composite Key D. Semantic
Answer:
Semantic Key
Explanation:
Semantics is another word for meaning
An option that best describes a key that has values and has an obvious meaning to users is known as the Semantic key. Thus, the correct option for this question is D.
What do you mean by Semantic keys?A semantic key may be defined as a type of key that significantly consists of elements or word parts of written language that deliver some expression of an archetypal and general delineation of the whole word's meaning.
According to the context of this question, the significance of these semantic keys is that they are used to recognize several errors in the incoming records or duplicate records in the subsequent data and information. These keys remarkably illustrate some values that have an obvious meaning to users.
Therefore, the correct option for this question is D.
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the select operator yields a vertical subset of a table.
a. True
b. False
The statement is true. The vertical subset of a table is produced by the SELECT operator. One table is subtracted from another using the DIFFERENCE operator.
When a value is missing, it is represented by a NULL value, which often has one of three meanings: The amount is unknown (value exists but is not known) Unavailable value (exists but is purposely withheld) Not relevant to the attribute (undefined for this tuple). Column/Attribute refers to the Table's vertical subset. The attributes of a relation in a database are as follows: A relation's values are all atomic, meaning they cannot be subdivided further. OODB, or object-oriented database a database type that supports modern programming languages like C++ and Java by storing data as objects.
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What should Dominque use to collaborate and work with others online?
Answer:
Explanation:
Technology is beneficial, especially for remote workers or people who collaborate online. Not only does it allow for smooth online collaboration, but it also allows people to work in the first place. There are plenty of tools, apps, and devices to choose from.
what are two characteristics of fiber-optic cable? (choose two.)
The two characteristics of fiber- optic cable are, Signals can travel much farther than with copper wire before needing repeaters and High-speed networking standard across the industry.
Fiber optic cable, also known as fiber, has a core made up of one or more glass or plastic fibers. In 1- and 10-gigabit systems, pulsing light from a laser or an LED (light-emitting diode) is conveyed through the core fibers to transport data.
The strands contain a coating of glass or plastic around the fibers. Depending on the transmission method, different patterns of light reflection are returned to the core. The fiber can curve around bends thanks to this reflection without losing the integrity of the light-based communication.
The cladding and core are shielded by a plastic buffer outside the cladding. The buffer absorbs any light that would escape because it is opaque. Kevlar strands around the plastic buffer to stop the cable from expanding and to further safeguard the inner core. Finally, a plastic sheath is placed over the Kevlar fibers.
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a member of a subtype does not necessarily have to be a member of the supertype
a.True
b. False
Option b is correct. A member of a subtype is necessarily have to be a member of the supertype.
The properties and operations of a parent type are automatically passed down to its subtypes. Also, the inheritance relationship remains alive. Any modifications made to these attributes or methods in the parent are immediately inherited by subtypes; any changes made to a supertype's attributes or methods also affect subtype.
You can model an entity, like a customer, and specify other specialized subtypes of customers under the original type using object types in a type hierarchy. Once operations have been performed on a hierarchy, each type can implement and carry out the operation in a unique fashion.
Directly or indirectly, through intermediate levels of other subtypes, a subtype can be produced from a supertype.
A subtype can only have one direct parent supertype but a supertype may have several sibling subtypes (single inheritance).
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for this exercise you will be writing a program that will build upon lab8b. so please make a new class file, copy, and rename the code you have already written for lab8b. please also remember to rename the file and (and in the case of java and c
The program code will be:
#include <iostream>
#include <vector>
using namespace std;
class Lab13B {
public:
/**
* Method 1 return the sum of all elements of array.
*/
static int method1(vector<vector<int>>& arr) {
int sum = 0;
for(auto x: arr) {
for(auto y: x)
sum += y;
}
return sum;
}
/**
* Method 2 returns the average of all elements of array.
*/
static float method2(vector<vector<int>>& arr) {
float avg = 0.0f;
for(auto x: arr) {
for(auto y: x) {
avg += y;
}
}
return avg / (arr.size() * arr[0].size());
}
};
int main() {
int rows, cols;
cout << "Please enter number of rows: ";
cin >> rows;
cout << "Please enter number of columns: ";
cin >> cols;
vector<vector<int>> arr(rows, vector<int>(cols, 0));
cout << "Enter elements of " << rows << "X" << cols << " array\n";
for(int i = 0; i < rows; i++) {
for(int j = 0; j < cols; j++) {
cin >> arr[i][j];
}
}
cout << "The sum of all numbers in " << rows << "X" << cols << " array is: " << Lab13B::method1(arr) << "\n";
cout << "The average of all numbers in " << rows << "X" << cols << " array is: " << Lab13B::method2(arr) << "\n";
return 0;
}
What is program?
A series of instructions written using a programming language for a computer to follow is referred to as a computer programme. Software, which also contains documentation and other immaterial components, comprises computer programmes as one of its components.
The source code of a computer programme is the version that can be read by humans. Since computers can only run their native machine instructions, source code needs to be run by another software. Consequently, using the language's compiler, source code may be converted to machine instructions. (An assembler is used to translate programmes written in machine language.) An executable is the name of the generated file. As an alternative, the language's interpreter may run source code.
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What important information is examined in the ethernet frame header by a layer 2 device in order to forward the data onward?.
An important information that is examined in the ethernet frame header by a layer 2 device in order to forward the data onward is option C: destination MAC address.
Is MAC address source or destination?The use of the addresses in the Datalink layer header, a Layer 2 switch locates the destination device in a Local Area Network (LAN) (where the data needs to be sent). The addresses put at the Datalink layer header are MAC addresses, as can be seen from the Datalink layer Frame structure.
The Layer 2 device, such as a switch, utilizes the destination MAC address to decide which port or interface to use to send the data on to the final destination.
The MAC ID of the device that transmitted the packet serves as the source, and the MAC ID of the device that is supposed to receive it serves as the destination.
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What important information is examined in the Ethernet frame header by a Layer 2 device in order to forward the data onward?
source MAC address
source IP address
destination MAC address
Ethernet type
destination IP address
When a scrum master encounters resistance from outside of the scrum team, what should the scrum master do?.
When a scrum master encounters resistance from outside of the scrum team, The thing that the master can do is Work in hand with other Scrum Masters to boast the effectiveness of the software of the Scrum in the said Organization.
How do you manage the resistance of a person in Scrum?Avoiding escalation is the key to dealing with any resistance. Simply pointing out someone's error can result in dispute, which could put the project in jeopardy.
Note that It is your responsibility as a Scrum Master to justify why the team must operate in a specific manner and why their suggestion would not be successful.
Therefore, Having a one-on-one talk with the person is the greatest strategy to overcome this barrier. Don't compel them to defend their resistance to the team or their management in front of a group of people.
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to prevent other classes from directly accessing the properties of a class, you can code them as private. then, to make them available to other classes, you can code?
public methods to set and get their values used in code them as private. then, to make them available to other classes.
A class is a blueprint from which an individual object can be constructed in the Java programming language. The class keyword in Java can be used to declare a class. Simple declarations of class members and functions are made inside the class. In Java, everything is connected to classes and objects, along with their characteristics and functions. A automobile is an object in the real world. The car is made up of methods like drive and brake as well as characteristics like weight and color. A class is akin to an object constructor or a "object blueprint." The static modifier guarantees consistent implementation across all class instances. Static methods are a common feature of many of Java's basic built-in classes, such Math.
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When this logic block is included in a control structure, what must be the
case for the entire condition to be met?
and
OA. One or both of the conditions must be true.
OB. Only one of the conditions must be true.
C. Both conditions must be true.
OD. Neither condition must be true.
CUR
When this logic block is included in a control structure, for the entire condition to be met, " One or both of the conditions must be true." (Option A)
What is a Control Structure?The sequence in which individual statements, instructions, or function calls in an imperative program are performed or evaluated is referred to as control flow in computer science. An imperative programming language is distinguished from a descriptive programming language by its emphasis on explicit control flow.
In structured programming, there are three basic control structures. Structure of Sequence Control: This refers to line-by-line execution, in which statements are run in the same sequence as they occur in the script.
In C, there are four types of control statements:
Statements of decision-making (if, if-else)Statements of choice (switch-case)Statements of iteration (for, while, do-while)jump Statements (break, continue, goto)In other words, control statements allow users to determine the sequence in which instructions in a program are executed. These enable the computer to make certain decisions, do particular activities repeatedly, or even go from one piece of code to another.
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Answer:
I think your asking the and one
the answer to that is
both conditions must be true
i just did it
Explanation:
Crustal movements can be dangerous to humans what evidence from the text supports this
HELP ME ITS DUE ON THE 20TH!
Crustal movements can be dangerous to humans because of option A) Plate movement at transform boundaries can sometimes cause earthquakes, some quite large and devastating.
How is crustal movement formed?Convection currents are created by the intense heat and pressure that exists within the earth. The tectonic plates that make up the earth's crust shift as a result of these currents.
In a constrained region where two plates move past one another at a transform plate boundary, sheared-up mountain ridges and valleys develop. And where a plate passes over a hotspot, a mountain range of volcanoes develops; as the volcanoes are moved away from the hotspot by the plate, they age and get lower.
Therefore, very active crustal motions, defined by subsidence and sedimentation in ocean trenches and uplift and erosion in island arcs, occur continuously for a very long time in subduction zones.
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See full question below
Crustal movements can be dangerous to humans.
What evidence from the text supports this conclusion?
A. Plate movement at transform boundaries can sometimes cause earthquakes, some
quite large and devastating.
B. Plate movement at convergent boundaries can result in the formation of mountain
ranges like the Himalayas.
C. The spreading rate of some continents can reach 120 millimeters per year.
D. As solid as the earth may seem, there are always parts of its crust moving at
incredibly slow rates.
given string userstr on one line and integers idx1 and idx2 on a second line, change the character at index idx1 of userstr to the character at index idx2. ex: if the input is: tiger 0 1 then the output is: iiger note: assume the length of string userstr is greater than or equal to both idx1 and idx2.
Using the knowledge of computational language in C++ it is possible to describe given string userstr on one line and integers idx1 and idx2 on a second line, change the character at index idx1 of userstr to the character at index idx2.
Writting the code:#include <iostream>
#include <string>
using namespace std;
int main(){
string inputStr;
int idx1;
int idx2;
getline(cin, inputStr); // Input string by user
cin >> idx1; // Input index 1 to to add a new character from index 2
cin >> idx2; // Input index 2 to repalce the character in index 1
char ch = inputStr[idx2]; // get character of index 2
inputStr[idx1] = ch; // repalce character of index 2 in index 1
// display new string
cout << inputStr << endl;
return 0;
}
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Which of the following is the open standard for tagging layer 2 frames?
a. ARP
b. NDP
c. 802.19
d. RFC1918
Option c is correct. 802.19 is the open standard for tagging layer 2 frames. The IEEE 802 LAN/MAN Standards Committee's Technical Advisory Group (TAG) on Wireless Coexistence is known as 802.19.
Coexistence across unlicensed wireless networks is a topic covered by the TAG. Since several IEEE 802 wireless standards use unlicensed spectrum, coexistence is a problem that needs to be addressed.
The same unlicensed frequency band may be used by these unlicensed wireless devices in the same area. These two wireless networks may become hampered as a result.
If two unlicensed wireless networks can function side by side without seriously interfering with one another, that situation is referred to as coexistence. The coexistence of IEEE 802.11 and Bluetooth, both of which operate in the 2.4 GHz ISM frequency region, was one of the earliest instances of wireless coexistence.
The IEEE 802.15 Task Group 2[2] addressed coexistence between these two wireless networks and created a Recommended Practice on Coexistence of IEEE 802.11 and Bluetooth.
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a microprocessor’s instruction set architecture specifies, among other things, which higher level languages can be used to program it.
a. true
b. False
option b. It is incorrect That a microprocessor's instruction set design dictates, among other things, which higher level languages can be used to program it.
The microprocessor is the main component of a computer system that executes mathematical and logical operations. These operations often involve addition, subtraction, moving numbers from one place to another, and comparing two numbers. It is frequently referred to as a processor, central processing unit, or logic chip. When a computer is turned on, this is essentially what moves the machine—the engine or the brain . The central processing unit's (CPU's) functionalities are merged into a single integrated circuit (IC) in this programmable, versatile device (integrated circuit). A microprocessor takes binary data as input, processes it, and then outputs the results in accordance with the instructions kept in the memory. They use less power and are quick.The two main types of memory used in microprocessor systems are read-only memory and read/write memory, most frequently referred to as ROM and RAM, or "Read Only Memory" and "Random Access Memory," respectively.
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in choosing the right tool for the job, all of these are good advice except: group of answer choices ask whether a free tool will suffice. think about what you need to accomplish. purchase a tool for the primary user, as he or she will spend most time with it. investigate the tools offered by a platform. all of these are good advice
Answer:
They are all good pieces of advice
Explanation:
in the sql language, the ________ statement is used to make table definitions.
In the sql language, the create table statement is used to make table definitions.
A DDL statement called Construct TABLE is used to create tables in a database. As soon as the CREATE TABLE script is run, the table is constructed and prepared to hold data moving forward. To construct the table in its own schema, the user needs the CREATE TABLE system privilege. Using the same command processing functionality as IBM-supplied commands, the Create Command (CRTCMD) command produces a new user-defined command (i.e., a command definition). The command definition is an object that can be kept in either a user library or the general purpose library (QGPL).
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Study the following pseudocode for a recursive function. function unknown(byval x, byval y : integer) returns integer if x < y then output x + y return (unknown(x + 1, y) * 2) else if x = y then return 1 else output x + y return (unknown(x - 1, y) div 2) endif endif endfunction the operator div returns the integer value after division e.g. 13 div 2 would give 6 (a) write program code to declare the function unknown()
Answer:
1
Explanation:
so w e have thisthen we will get and and thatbhow i gat the answe
