The set of instructions that give directions to the computer in order to perform the various tasks is called the computer program.
The following information related to the computer program is:
It is the collection of instructions that could be executed by a computer in order to perform a particular task.It is the list of instructions where it informs the computer regarding what to do.Therefore we can conclude that the set of instructions that give directions to the computer in order to perform the various tasks is called the computer program.
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Time complexity gives a rough idea of how long it will take for an algorithm to execute
based on two things: the size of the input it has and the amount of steps it takes to complete,
whereas space complexity is also the amount of memory required to execute an algorithm based
on the size of input it has or given.
Using mathematical notations or diagrams critically explain the time and space complexity of the
code below. 10 marks
int a = 0;
for (i = 0; i < N; i++) {
for (j = N; j > i; j--) {
a = a + i + j;
}
}
Answer:
Explanation:
O(N*N) or O(N2).
Explanation:
The time complexity can be measured by caculating the number of times the loop will execute.
The above code runs total no of times
= N + (N – 1) + (N – 2) + … 1 + 0
= N * (N + 1) / 2
= 1/2 * N^2 + 1/2 * N
O(N^2) times.
Thus Time complexity is O(N*N) or O(N2).
When i=0, it will run 0 times.
When i=1, it will run 1 times.
When i=2, it will run 2 times and so on.
So the time complexity will be O(N*N) or O(N2).
The function O(n2) has a complexity that is proportional to the square of the input size.
O(n2) with 2 total iterations.
O(N^2) is for → 2 nested “for loops”
We usually want to know how many steps an algorithm will take for an input of size ‘N' when calculating complexity.
This example contains two ‘for' loops, each of which will execute ‘N' times for each element ‘N'. As a result, it will run N2 times in total. In large O notation, we'd state the complexity of this algorithm is O(N2).
Time Complexity:
The amount of time it takes an algorithm to finish a computation.
What factors contribute to the complexity of time?
Looping (for, while)
Big O Notation:
The language and metric we use to describe how long an algorithm takes to run.
O(n²) Quadratic Time
Two nested loops are involved.
Each item from two different collections must be compared to one another.
Space Complexity:
Space complexity is the measurement of memory (space) that an algorithm requires, similar to time complexity.
What determines the complexity of space?
Variables
Allocations
Space Complexity: O(1) space
Because of the nested for loops The time complexity is going to be quadratic.
As a result, the Space Complexity will be O(1) space.
Worst case space complexity: O(1)
Hence,
Time Complexity: O(n²)
Space Complexity: O(1)
define what is evaluation
Answer:
the making of a judgment about the amount, number, or value of something; assessment.
Explanation:
be smart
Answer:
Evaluation is a systematic determination of a subject's merit, worth and significance, using criteria governed by a set of standards. It can assist an organization, program, design, project or any other intervention or initiative to assess any aim, realisable concept/proposal, or any alternative, to help in decision-making; or to ascertain the degree of achievement or value in regard to the aim and objectives and results of any such action that has been completed.[1] The primary purpose of evaluation, in addition to gaining insight into prior or existing initiatives, is to enable reflection and assist in the identification of future change.
Given a string, an integer position, and a character, all on separate lines, find the character of the string in that position and replace it with the character read. Then, output the result. Ex: If the input is: warn -D-D - Du 0 e the output is: earn Note: Using a pre-defined string function, the solution can be just one line of code. 1 #include 2 #include 3 using namespace std; 4 5 int main() { 6 string workStr; 7 int idx; 8 char newChar; 9 19 getline(cin, workStr); 11 cin >> idx; 12 cin >> newChar; 13 14 15 16 cout << workStr << endl; 17 18 return; 19} 1 2 3
Answer:
#include <iostream>
using namespace std;
const string replace(const string workStr, int idx, const char newChar) {
string ans = "";
for (int i = 0; i < workStr.length(); ++i)
ans += (i != idx ? workStr[i] : newChar);
return ans;
}
int main() {
string workStr;
int idx;
char newChar;
getline(cin, workStr);
cin >> idx;
cin >> newChar;
cout << replace(workStr, idx, newChar) << endl;
return 0;
}
Explanation:
Declares the necessary variables. Next read them and finally call a replace user defined function to solve the problem.
The program is given in C++. So, the code must be completed in C++.
The missing part of the program can be completed with the following lines of code:
string newStr(1, newChar);
workStr.replace(idx,1,newStr);
To complete the code, we first convert newChar to a string.
This is done using:
string newStr(1, newChar);
In the above code segment, a string variable newStr is initialized with the value of newChar
Next, replace the character of the string using:
workStr.replace(idx,1,newStr);
The syntax of the above instruction is:
string-variable.replace(position, number of characters to replace, replacement string)
In this case,
The string variable is workStrThe position of string to replace is idxThe number of characters is 1 (because only one character is to be replaced)The replacement string is newStrSee attachment for the complete program and a sample run
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what's the difference between joystick and mouse
Hey there! This is the difference between a joystick and a mouse:
A mouse is moved back and forth and up and down by a person's hand. The mouse device moves across the table surface. A joystick on the other hand stays stationary and is basically composed of a base and a stick. A vertical stick is held in the hand and tilted forward backward left and right. But the only thing that moves with a joystick is the center stick.
I hope this helps you out! Let me know if you have any questions!
Answer:
joystick means a mechanical device consisting of a handgrip mounted on a base or pedestal and typically having one or more buttons, used to control an aircraft, computer or other equipment, whereas mouse means any small rodent of the genus mus.
hope this will help u :)
CSS At-rules provide a way for designers to define "if this, then that" scenarios.
True or false?
How did the ENIAC change computing?
How did the ENIAC change computing?
Answer:
The ENIAC, or Electronic Numerical Integrator and Computer, could churn 5,000 addition problems in one second, far faster than any device yet invented. In February 1946, J. ... In a few years, computers would pop up at universities, government agencies, banks and insurance companies.
Which type of database would be used to analyze hours worked per nursing unit in a healthcare facility?
A. Data warehouse
B. Data mart
C. Data mining
D. Distributed database
Answer:
a
Explanation:
a is a answer just in the question was a name is not true
Data warehouses are employed for commercial reporting and analytical needs. Any grouping of data that has been arranged for archiving, access, and retrieval is referred to as a database.
What is the difference between database and data warehouse?Any grouping of data that has been arranged for archiving, access, and retrieval is referred to as a database. In a data warehouse, copies of transaction data from several source systems are combined and made available for analytical use.
Data warehouses are employed for commercial reporting and analytical needs. Data warehouses often save copies of transaction data from several sources to store historical data. Real-time data feeds can also be used by data warehouses to provide reports that employ the most recent, comprehensive information.
A data warehouse is a central collection of data that can be examined to help decision-makers become more knowledgeable. Transactional systems, relational databases, and other sources all regularly and continuously feed data into a data warehouse.
Therefore, the correct answer is option A. Data warehouse.
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we cannot use MS Word 2003 in laptop truebor false
Answer:
False
Explanation:
we can use Microsoft Office Software on any laptop
Answer:
U can install it in ur brand new laptop, but they are not certified to be compatiable with windows 10 but might work with or without compatibility mode.Please be aware that Office Starter 2010 is not supported. You will be prompted to remove it before the upgrade starts.
Explanation:
Brainliest plzzz
Sarah stores data electronically.
Describe three methods that she could use to avoid loss of stored data.
Answer:
Always back up your data. Prevention is the best protection.
Diversify your backups. You always want more than one backup system.
Encrypt sensitive data. Data is not always encrypted even when it's on a backup tape.
Address data security.
Use anti-virus and email security.
Trust the professionals
Explanation: HOPE IT HELPS YOU
1. Suppose that you are a project manager using the waterfall development methodology on a large and complex project. Your manager has just read the latest article in Computerworld that advocates replacing the waterfall methodology with prototyping and comes to your office requesting you to switch. What do you say?2. Suppose that you are an analyst developing a new information system to automate the sales transactions and manage inventory for each retail store in a large chain. The system would be installed at each store and would exchange data with a mainframe computer at the company’s head office. What methodology would you use? Why?
Answer:
i hope this helpful for you.
please mark me brainlist
Explanation:
1- Depending upon the current situation we can switch. That means suppose the entire project is mid way that means we already implemented the project by Waterfall methodology then it would take lot of time to switch to Prototype model. Again if we see the efficiency I mean if we complete the project using prototype model and the outcome would be very well and robust then we should definitely switch to prototype model. So depending on the scenario we need to decide whether it would be benificial to switch or not.
2- Difference between Waterfall and Prototype :
I) In case of Waterfall model requirements should be very well known. On the other hand in case of prototype model if the user requirements are not complete then we can choose prototype model.
II) Technical issues should be cleared in case of Waterfall model, on the other hand technical requirements need not be clear.
Advantages of Waterfall:
I) Easy to understand this model and easy to use.
II) It provides structure to inexperienced staff
III) Milestones are well understood
IV) Set requirements stability
Disadvantages of Waterfall Model:
I) All requirements must be known upfront
II) Inhibits flexibility
III) Can give a false impression of progree
Advantage of Prototype Model:
I) Even if user requirements are not complete we can use
II) Even if technical issues are not clear we can use
Disadvantage of Prototype:
I) The Model is complex
II) Risk Assessment expertise is required
III)Time spent for evaluating risks too large for small projects.
Any computer expert to help me answer this question plz am giving brainliest
Answer:
(Shown below)
Explanation:
The email is written as:
boby(at)qengineers.org
The first part of the email adress is the name, which is Boby. (boby(at)qengineers.org)
The second part will always be the (at) sign. (boby(at)qengineers.org)
The third and last part is the company, or where the email is coming from. (boby(at)qengineers.org)
Hope this helps!
(Also please note I put (at) for the at symbol because brainly doesn't let me type it in)
C++: Given three strings on separate lines, insert the contents of the second string in the first string right before the third string. Then,
output the result
Ex: If the input is:
FuzzyBear
Wuzzy
Be
the output is:
FuzzyWuzzyBear
Note: Using a pre-defined string function, the solution can be just one line of code.
(I tried using strVar.insert(partStr, str2) but was unsuccessful. I don’t know where I’m messing up. Thank you for your help. I’ve been trying to alter this code for a while now)
Answer:
Use the .find() function in your first string to give you an index.
Explanation:
Hi! I'm guessing you're taking COP2334 like me. A T.A. helped me figure out what I needed, so I'm passing it on.
Basically, you're given three strings and no integer to use as an index in order to insert the second line. Since you are required to have an index to use the .insert() function, this is "tear-out-my-hair" frustrating. What I failed to remember was that it is totally possible to use a function inside another function to get what you need!
You have been given is a hint as to where str2 goes, in the form of your 3rd string. If I'm right, all of the tests the system will run (mine is in Zybooks) will give a 3rd string that is inside the first string.
String 1: strVar: "FuzzyBear"
String 2: str2: "Wuzzy"
String 3: partStr "Be"
Open your statement with strVar and use the insert.() function. In the insert function, you are required to give a place to start, (your index), then what you want to insert. Your index will be the .find() function, searching in StrVar for partStr. The second part of the .insert() function is str2.
Hope that helps!
how do i recover deleted search history
Answer:
You can search from activity option of your browser....
Explanation:
mark me as brainliest ❤️
Answer:
I presume there is no way you can do that :l
Explanation;
So be careful when you delete your history:-)
Please mark Brainliest ... :-)
What makes up the cloud in cloud computing ?
Answer:
storage
Explanation:
hope this helps
application of optical fibre
Answer:
Internet data transfer.
Explanation:
Optical fibre can be used to move information from one place to another. It is used in internet communications, cable television broadcasting, and telephone communication. One common application is for the transfer of data over the internet. Chances are your browser was able to download this web page by receiving data that came from Brainly's servers, and from my computer, through a fibre optic cable.
Consider the LIBNAME statement below: LIBNAME 'path-to-file'; TRUE/FALSE: The name of the SAS library you are creating must match the name of the folder it references.
The SAS Library is a collection of a SAS file or more that is SAS recognized and stored as a unit.
Every file is a library member, it assists you to get your job organized. It consists of all your files in the same library if a SAS program needs or more than one SAS.A logical name termed a libre is a reference in a SAS library. The single SAS library can't store files at various physical sites, in which SAS deletes the temporary SAS library contents but not SAS libraries.That's why the given statement is "false".
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I need help here please. Am giving brainliest
Answer:
See below
Explanation:
1. Data type
- S.No = integer (because its a number of sequence)
- Fees Paid = varchar (usually we use varchar to store currency, and process the number for UI, by adding dot or comma)
2. Reg No should be unique for each students and department. I only use the Table 1 for reference, more data would be helpful
3. Reg. No consist of 2 digits of initial department, and 3-4 digits of sequence number that identifies student's no.
In the year 2008, which of the digital devices was a carrier of the virus in the supply chain environment? [Choose all that apply]
Android device
USB drive
Hard drive
Digital Photo frame
Answer:
usb drive
Explanation:
risk of transporting viruses to another system
Digital devices or USB drive have been the virus carrier within the supply chain environment in the year 2008.
The USB hard drive is a "solid-state" device, which also means doesn't have moving parts. Flash drives are, even so, significantly smaller than the hardest drives and can't hold so much information. It is a small, portable device that helps connect to the USB computer’s USB drive that also called a Flash drive or storage machine. Utilizing USB drives, data storage, backup as well as transmit between devices have been commonly used.Therefore, the final answer is "USB drive".
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Mouse is .....ware.
Mouse is hardware.
Explanation:
because we can touch it and in the hardware definition we say that it can be touched.
in Adobe illustrator cc 2017 which of the following export file
Explanation:
In Adobe illustrator cc (2017) , of the following export file formats cannot preserve transparency
What are the fundamental activities that are common to all software processes?
Answer:
There are some fundamental activities that are common to all software processes:
•Software specification. In this activity the functionality of the software and constraints on its operation must be defined.
•Software design and implementation. ...
•Software validation. ...
•Software evolution
Which computer are used by mobile employees such as meter readers.
Answer:
Handheld/Mobile Computers
A serial schedule:
a. Can have a dirty read anomaly
b. Is always sorted sequentially in ascending order by transaction ID
c. Needs the current Xact to finish before another one starts
d. Is just theoretical and cannot be implemented in real life Reset Selection
Answer:
B)
Explanation:
Is alwayd sorted sequentially in aceding order by transaction ID
Which of these skills are Transferable Skills?
Question 2 options:
installing a corporate network
solving problems
critical thinking
building positive relationships
creating a spreadsheet
Which of these skills are Technical Skills?
Question 1 options:
Writing code
solving problems
critical thinking
replacing a hard drive
great communicator
The abilities you utilize in any work, whether it is in the title or the sector, are just how transferable they sound.
Some talents transferable are "hard," such as coding or data analysis is "soft," such as communication skills and relationship development.It allows you to interact more effectively with employees, managers, and customers. These competencies may foster stronger professional partnerships, which can lead to chances for career development and leadership.So, the final answer is "Solving problems, critical thinking, building positive relationships, and creating a spreadsheet (that is part of Computer Skills)".
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'Automation destroys human creativity and innovation.' How far do you agree or disagree?
It depends on what we are talking about, automation in a car would mean that there is less stress for the driver, but we humans tend to get lazy when things are done for us, so that statement is partially true
Explanation:
'Automation destroys human creativity and innovation.' It can be agreed, to some extent, that automation is not applicable everywhere.
What is automation?We need creativity to improve the currently available products. Due to the extensive use of technology nowadays, when people want to do something new, they are less likely to think carefully or put forth the effort to finish the activity and are more likely to search online for inspiration.
The impact of modern technologies on your mind, however, is more than you might realize. You become more creative as a result of modern tools. In particular at the individual level, technology has had negative effects like restricting creativity.
Because people are so reliant on the internet and are constantly distracted by technology, imagination is being slowly stifled. Social anxiety is just another result of technological progress.
Therefore, automation stifles human ingenuity and originality. To some extent, it can be recognized that automation is not appropriate everywhere.
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Verbs in the active and passive voice
Answer:
Voice refers to the form of a verb that indicates when a grammatical subject performs the action or is the receiver of the action. When a sentence is written in the active voice, the subject performs the action; in the passive voice, the subject receives the action.
If you are going to analyze and interpret data, you need to do all of the following execept blank.
A study the data
B interpret the data in a way that will support your hypothesis
C) identify the control group and the test group
D watch for similarities and differences between the control and test groups
Answer:
the answer to the question is C
The computerization of human lives was the beginning of the end of all the traditional methods and non-automated devices. Ever since the evolution of computers and the introduction of automation the human lives have gone through drastic changes. Artificial Intelligence (AI) is changing the face of many organizations’ way of working. One of the most controversial topics when it comes to artificial intelligence is how the future of AI will impact humanity. Select any manufacturing company operating in Vietnam and explain can AI replace human workers in the manufacturing company you have selected? You will further consider why have AI caught on in manufacturing and what knowledge do they require? You will also need to explain if you were considering introducing AI in your manufacturing plant, what people, organization, and technology issues would you need to address?
Answer:
carry out hazard hunting of your home and identify types of hazard. suggest measures to mitigate it.
can I ask a question about information technology (IT)...
those who live in Nepal please suggest me..:)
which subject should I choose to read IT ?
#should I go through science?
# under science which subject need I to choose to study IT
I just passed grade10 and going to take a difficult decision for studying in grade 11
Answer:
Hey don't overthink about it .It all depends on your interest like what you would prefer and how much you can afford. I guess it's your life so you should take a decision by yourself.
I hope it helps..
Will technology ever reach a stage where considered perfect, or will it always be evolving? explain
Answer:
I think technology will reach a stage where all and everything will be excellent
