2. Which one of the following is the purpose of relating tables in a database?
A. To permit external data only to be viewed.
B. To allow data to be sorted before printing to a report.
C. To enable mathematical calculations to be carried out more efficiently.
D. To avoid duplication of data.

Answers

Answer 1

Answer:

D. To avoid duplication of data.


Related Questions

An array called numbers contains 35 valid integer numbers. Determine and display how many of these values are greater than the average value of all the values of the elements. Hint: Calculate the average before counting the number of values higher than the average

Answers

python

Answer:

# put the numbers array here

average=sum(numbers)/35 # find average

count=0 #declare count

for i in numbers: #loop through list for each value

if i > average: #if the list number is greater than average

count+=1 #increment the count

print(count) #print count

A square QR code contains 40×40 tiny squares (pixels) where each tiny square represents a 0 or a 1. Calculate how many bytes of data can be stored on the QR code​

Answers

Answer:

Explanation:

QR Codes are made of multiple rows and columns. The combination of these rows and columns makes a grid of modules (squares). There can be a maximum of 177 rows and 177 columns which means the maximum possible number of modules is 31,329. With the eye, these are just small squares and mean very little, but the exact arrangement of those modules allows the QR Code to encode its data. This means that, unlike traditional barcodes which are 1 dimensional and use 1 row of lines, QR Codes use 2 dimensions which allows them to store a lot more data in the same area of space.

The commented line states that I have assigned a 2D array to a pointer but I want array of such pointers which could store numbers of 2D Array.

Answers

It is impossible to store numbers or contents of 2D array to a pointer array.

How to store pointers in 2D Arrays?

Arrays and pointers are different data structure elements, and there is a limit to the operations that can be performed on both.

Having said that, it is impossible to store numbers or contents of 2D array to a pointer array.

The closest you can do, is to use the following declaration:

int *p[] = {(array-type [][number of columns]) {Array-content}}

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Answer:

Get the element => *( (int *)aiData + offset ); calculate offset => offset = (1 * coloumb_number)+ 2); Add offset in array base address => (int *)aiData + offset; //here typecast with int pointer because aiData is an array of integer Get the element => *( (int *)aiData + offset );

Why do we need to connect computers"​

Answers

Answer:

batteries cant last connected to nothing forever probably

(please help) What do you do if Brainly keeps saying your blocked?

Answers

You could probably make a new account if it’s just the account blocked

Which of the following is an antivirus software?
McAfee
Mozilla Firefox
Windows Firewall
Y2K

Answers

Answer:

McAfee

Explanation:

An antivirus is a standalone software that protects other software. On the other hand, a Firewall is capable of preserving both software and hardware on the network.

The antivirus software is McAfee. The correct option is A.

What is antivirus software?

An antivirus program detects and removes viruses and other types of malicious software from your computer or laptop.

Malicious software, also known as malware, is code that can harm your computers and laptops, as well as the data they contain.

Antivirus software is needed even though if persons are using a Mac or a Windows device, both of which encompasses some level of virus protection.

Install third-party antivirus software for total protection, including endpoint protection and response, as well as protection against malware and potentially unwanted programs.

Antivirus software scans your files and incoming email for viruses and deletes any that are found. McAfee, Norton, and Kapersky are examples of anti-virus software.

Thus, the correct option is A.

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importance of software in computer​

Answers

Answer:

It allows accomplishing functions using the computer. The software is the instruction we want the computer to process for us.

Explanation:

I want to type a letter. I need a software that can interpret my letters in the keyboard and the program can print what I am typing.

Where can you get help to create citations for ProQuest articles?

Select one:

a.

By checking the USP handbook

b.

All of the above

c.

By using ProQuest's "CITE" button

d.

By checking your writing textbook

Answers

B is the correct answer , check under citations in the index .

The Electronics Communications Privacy Act allows the government to have access to....?

Answers

Personal information like who the person is, what they do, and where they go are the information that can be accessed by the government under the Electronics Communications Privacy Act.

What is Electronics Communications Privacy Act?

Electronic Communications Privacy Act allows the government to have the authority to the suspicious activity that takes place at social sites or through the use of electronic devices.

The unlawful acts and issues are overseen so that any violent circumstances do not arise. The data is provided through networking sites, cell phone providers, etc.,

The suspicious and unlawful activities are tracked through the electronic device that allows the government to keep track of the activities that can be a threat to them and the country.

Therefore, the act allows the government to track personal information which is unlawful and unauthorized.

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The layer of ISO/OSI that enables someone to access network is

Options:
(a) application
(b) data-link
(c) physical
(d) session

Answers

Answer:

The network layer essentially enables a user to connect to the internet or any available network. From what I understand, the session layer should be the answer since it primarily means establising a connection with a server which only takes place over a network.

Explanation:

How are charts useful in Excel worksheets? Name three types of charts available in Excel and describe with an example how each might be used. What are some things you can do with a chart to make the information clearer to a reader? What are some things you can do with a chart to make it more visually appealing?

Answers

Answer:

Spread sheets

Explanation:

Charts are employed to display series of numeric data in a graphical format to help people understand large amounts of data and the relationships between them.

What is a worksheet?

A worksheet is a sheet that is used as a guide in doing some work to make preliminary plans, supplementary computations, notes, or comments.

Charts are used to display a series of numeric data in a graphical format in order to help people understand large amounts of data and their relationships.

Good graphs allow for precise estimation of the quantities represented. The reader must understand the scale used to represent quantity on the graph in order to estimate quantities.

Create your graph with as few elements as possible. Color can help distinguish data sets in a graph, but avoid glaring color combinations (such as chartreuse and violet), as these can be distracting.

Vertical bars are used to describe information in column charts. They can work with a wide range of data, but they are most commonly used for information comparison. Line charts are excellent for displaying trends.

Thus, by using some things like this, one can make charts clearer.

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I want a loyal girlfri,end​

Answers

Answer:

go to dating app

Explanation:

I have been stuck on this lab this is my program.

Given four values representing counts of quarters, dimes, nickels and pennies, output the total amount as dollars and cents.

Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
print(f'Amount: ${dollars:.2f}')

My program:
quarters = int(input("Quarters: "))

dimes = int(input("Dimes: "))

nickels= int(input("Nickels: "))

pennies= int(input("Pennies: "))

dollars = (quarters * 0.25 + dimes * 0.10 + nickels * 0.05 + pennies * 0.01)

print("Amount: ${:.2f}".format(dollars))


not sure why my answer is for wrong.

my output is: (with input)
1

2

3

4

Quarters: Dimes: Nickels: Pennies: Amount: $1.41

expected out put is : Amount: $1.41

What about my code adds the extra part to my answer?

Answers

They are using the knowledge of computational language in python to write the values ​​of the coins and the total we find that

Writing code in python      

quarters = int(input())

dimes = int(input())

nickels = int(input())

pennies = int(input())

cents = (quarters*25 + dimes*10 + nickels*5 + pennies)

#convert cents to dollars

# 1 dollar = 100 cents

# n cents = n/100 dollars

dollars = cents / 100.00

#Print the amount in dollars upto two decimal places

print("Amount: $"+"{:.2f}".format(dollars))

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prove that A + ĀB = A + B using 1) boolean basic laws and 2) truth table​

Answers

Answer:

projects of sums or POS Boolean expectation may also be generated from two tables quite easy divide determining which rows of the table have and output of zero writing on some term for each row and final multiplying all the some terms this creates a bowler expression representing the truth table as whole

Explanation:

helpful

what two QuickBooks Online payroll subscription levels include QuickBooks time

Answers

The two QuickBooks Online payroll subscription levels include QuickBooks time are:

Online Payroll Premium Elite subscription

What is this about?

QuickBooks Time mobile access is known to be commonly made up of one's QuickBooks Online Payroll Premium and also one's QuickBooks  Elite subscription that is said to be given at no additional cost.

Therefore, The two QuickBooks Online payroll subscription levels include QuickBooks time are:

Online Payroll Premium Elite subscription

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program that initialises a vector with the following string values: “what” “book” “is” “that” “you” “are” “reading”.

Answers

A program that initializes a vector with the following string values: “what” “book” “is” “that” “you” “are” “reading” are the usage of namespace std;int main().

What is a vector software program?

Vector images software program permits customers to layout and manages pc photos the usage of geometric and mathematical commands, instead of clicks and strokes as utilized in drawing software program. Vector photos created the usage of those applications may be scaled indefinitely with out dropping quality.

#include #include #include the usage of namespace std;int main(); vector::iterator it; for (it = vs.begin(); it != vs.end(); it++) string tmp; while (cin.get()!='n') for (it = vs.begin(); it != vs.end(); it++) }

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What are three benefits of sharing on social media?

Answers

Answer:

reach more organization

get viral to whole entire nation

it also enhance to people's knowledge and quatable understandment

which is an example of analog d


evice​

Answers

Answer:

crt (cathode ray tube) vcr (video cassette recorder)

Explanation:

compare the results of both the RATS and Skipfish reports.

Answers

Answer:

The results of both reports RATS is known nas mouse and skipfish is known as one type of fish

Predicate Logic The following is a snippet of pseudocode designed to produce an array (similar to a matrix). The variables m and n are integer variables and the variable A is a two-dimensional array with 10 rows (indexed from 1 to 10) and 8 columns (indexed from 1 to 8). \array.pas\ For m:=1to * 10do For n:=1to * 8do forall m bullet forall n bullet A[m, n]in mathbb Z . (d) The entries in each row of the array A are sorted into strictly decreasing order. You will also be asked to decide whether each statement is True or False. For example, the above statement is True. As an example, the statement "All entries in the array A are integers." can be expressed as (e) Some of the entries of the array A are greater than 30. (b) All entries in the array A are positive and less than 70. 1. Express each of the statements below in predicate logic. (a) All entries in the array A are positive. In the code above, A[m.n] refers to the entry in row m and column n Your task is to express the various statements bel

Answers

The answer is A are greater

How might the design be changed so that additional copies of print statements would not be needed?

Answers

A design be altered so that additional copies of print statements would not be needed by changing the format spring.

What is the aim of a print statement?

The PRINT statement is known to be often sent data so that it is taken to the display terminal or to another kind of print unit.

Note that A design be altered so that additional copies of print statements would not be needed by changing the format spring.

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43
What are several examples of fictional photography?
O A
celebrity, fashion, glamour
OB.
nature, sports, life
OC. military, propaganda, commercial
OD. corporate, scientific, police
Reset
Next

Answers

Answer:

c

Explanation:

I think A for sure it shows everything I could think of in fictional photography

in tabular form differentiate the first four generations of computer ​

Answers

Answer:

Explanation:

See attachment.

A date for creation or revision
is mandatory for all web pages?

Answers

Answer:

I do believe so

Explanation:

Most websites have this, as far as I know

Explain how cache (SRAM) can support CPU pipelining.

Answers

Answer:

The Pipeline Burst Cache is basically a storage area for a processor that is designed to be read from or written to in a pipelined succession of four data transfers. As the name suggests 'pipelining', the transfers after the first transfer happen before the first transfer has arrived at the processor.

Why should we apply print preview before printing the document.​

Answers

to helps them to see how the final printed material will appear. 

codehs 8.2.5 spell it out pls help

Answers

The answer is not here, so you should look down↓:

Explanation:

The programming question requires that we write a function that takes a string and returns every character in it but the first character.

The function in Python, where comments are used to explain each line.

This defines the function too.

This returns every character in the string except the first one.

Write a program to print each item in the list of your favourite ice cream. please give proper answers. ​

Answers

Answer:

Python

Explanation:

#List Favorite ice-cream

ice_cream = ["Pistachio", "Cookies and cream", "Chocolate", "Banana split" , "Vanilla"]

for flavor in ice_cream:

print(flavor)

What is software engineering? What are the objectives of software engineering?

Answers

Answer:

The basic objective of software engineering is to develop methods and procedures for software development that can scale up for large systems and that can be used consistently to produce high-quality software at low cost and with a small cycle of time.

Explanation:

Use pseudocode to write a function or procedure that will find the maximum of three numbers a, b, and c.

Answers

Answer:

Check if a > b

   if true -> check if a > c

        if true -> a has the maximum value

        if false -> c has the maximum value

   if false -> check if b > c

        if true -> b is the maximum

         if false -> c is the maximum

Explanation:

To find the maximum, you need to find the largest number.

This can be done by making multiple nested if-statements, comparing 2 variables and finding which one is larger.

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