Which class describes a container for an application?

The one that is an example of libraries online is iSEEK education. The correct option is A.

A digital library, also known as an online library, an internet library, a digital repository, or a digital collection, is an online database of digital objects such as text, still images, audio, video, digital documents, or other digital media formats.

This means that students can consult online books, images, videos, and other educational content without having to wait for a physical library to open.

They can do it in a formal setting, such as school, or they can relax at home and get instant access to the information they require.

The benefits of a library management system include online and offline storage, automated backups, and simple upgrades that simplify and improve the learning process.

Thus, the correct option is A.

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Answer:

a. data integrity

Explanation:

In Computer science, a hash function can be defined as any function which is used to map data by accepting a block of data with variable length size or arbitrary size as input to produce a fixed size hash values or codes.

Generally, when a block of data (input) of arbitrary size is hashed, the resulting hash values or codes is usually smaller than the input data. Thus, hash functions are considered to be a compression of data and as a result, sometimes called compression functions. Basically, the block size of a hash function typically ranges from 128 bits to 512 bits.

Some of the properties of a hash function are;

1. Pre-image resistance: this makes it practically impossible to reverse a fixed-size hash values to its initial arbitrary size. This property helps to maintain and enhance data integrity by making it difficult or impossible for an attacker to find the input data from a hash value.

2. Second pre-image resistance: this property makes it near impossible or very difficult to determine or decode another input data from a given set of input and hash values. Also, this helps to enhance data integrity.

3. Collision resistance: this is to make possible for all hash values to have a unique value. This simply means that, with this property it would be difficult for different input data to have the same hash value. Thus, it helps to create integrity in data management.

Hence, with the aforementioned properties, the principal object of a hash function is data integrity.

Hash functions in the computer world includes;

1. Message Digest (MD): it is a 128 bit hash function and comprises of the following; MD2, MD4, MD5, and MD6.

2. Secure Hash Function (SHA): it comprises of the following; SHA-0, SHA-1,SHA-2, and SHA-3.

3. Whirlpool: it comprises of the following; Whirlpool-0, Whirlpool-T, and Whirlpool. It is primarily a 512 bit hash function.

4. RACE Integrity Primitives Evaluation Message Digest (RIPEMD): it comprises of the following versions; RIPEMD, RIPEMD-128, and RIPEMD-160.

Answer:

Explanation:

First a header is needed indicating which bash will be used (sh, zsh, bash, etc.), then it is necessary to change the file extension so that the system recognizes it as an executable file and no longer as text

In order for the system to recognise the file as an executable file rather than a text file, a header indicating which bash will be used is first required (sh, zsh, bash, etc.).

A file containing a succession of commands is called a bash script. The bash programme reads and processes these.

The computer programme runs line by line. For instance, you can use the command line to travel to a specific path, create a folder, and spawn a process inside of it.

Run the "cat" command and then use the redirection operator ">" and the filename to create a new file. You will now be asked to add data to this just created file. To save the file, type line and then hit "Ctrl+D."

A header stating which bash will be used is first necessary for the system to recognise the file as an executable file as opposed to a text file (sh, zsh, bash, etc.).

Thus, these are the two items that are required to make a text file into a bash script.

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Answer:

trained and capable joint force.

Explanation:

The joint force development policy is in regards to the training and recruitment of military officials, to improve or promote the growth and speedy development of recruits in the United States military.

Several aspects of military training are given to officials by joint parties from different but collaborating organizations. Joint education, deployment, and dissemination of employment various members of the armed forces are encouraged.

Answer:

. D)All of the options are correct.

Explanation:

Excel's FV function can be regarded as financial function that bring about the analysis and calculation of an investment Future's value.

It should be noted that it posses arguments,with abbreviations: rate, nper, pmt, pv, and type.

an Excel's FV function will have negative value If the number for the pmt argument is entered as a positive value and the pv value is zero,

Hence, all the given options are correct.

Answer:

The data is transformed to usually make it smaller. It can always be re-constructed back to the original.

Explanation:

I'm on the same lesson on code.org as you, so just go to the question before and the answer to that question was the answer!  ;)

Let me know if you got it right!

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Well if you forgot your password you can click "Forgot Password" at the bottom and it should ask you some questions and send you an email with the password

Answer:

Replace

if userAge > 20

with

userAge > 19

Explanation:

if userAge > 20  checks if age is 21, 22, 23, 24........

The else condition which prints "I am a teenager" checks if age is 20, 19, 18....

Notice that 20 is inclusive of the else condition; this shouldn't be because for userAge to be less than 20, 20 isn't inclusive

To solve this,

Replace if userAge > 20 with userAge > 19

So that, the else

The else condition which prints "I am a teenager" checks if age is 19, 18, 17, 16....

Answer:

Follows are the code to this question:

#include<iostream>//defining a header file

using namespace std;

int main ()//defining a main method

{

float SubTotal,SalesTax,Total;//defining float variable for calculate the value

float item_1 = 15.95, item_2 = 24.95,item_3 = 6.95, item_4 = 12.95,item_5 = 3.95;//defining float variable and assign value

SubTotal = item_1+item_2+item_3+item_4+item_5;//use SubTotal to calculate the sum

SalesTax = SubTotal * 0.07;//use SalesTax to calculate 7% of SubTotal

Total = SubTotal + SalesTax ;//use Total to addd SubTotal and SalesTax

cout << "Price of item 1 : $"<< item_1 << endl;//print item_1 Price

cout << "Price of item 2 : $"<< item_2 <<endl;//print item_2 Price

cout << "Price of item 3 : $"<< item_3 <<endl;//print item_3 Price

cout << "Price of item 4 : $"<< item_4 <<endl;//print item_4 Price

cout << "Price of item 5 : $"<< item_5 <<endl;//print item_5 Price

cout <<"The SubTotal value is: $"<< SubTotal << endl;//print SubTotal value

cout <<"The SalesTax value is: $"<< SalesTax << endl;//print SalesTax value

cout << "The Total value is: $" << Total << endl;//print Total value

return 0;

}

output:

please find attached file.

Explanation:

In the above-given code, three float variable that are "SubTotal, SalesTax, and Total" is define for calculating and store its value, and in the next line, another five float variable " item_1, item_2, item_3, item_4, and  item_5" is declared that stores a float value which is defined in the question.

Answer:

print("TAXI FARE CALCULATOR\n")

beginning = float(input("Enter beginning odometer reading => "))

ending = float(input("Enter ending odometer reading => "))

distance = ending - beginning

fare = 1.50 * distance

print("You traveled a distance of %.1f" % distance + " miles. At $1.50 per mile, your fare is $ %.2f" % fare)

Explanation:

*The code is in Python.

Print the title

Ask the user to enter beginning and ending of the odometer reading. Calculate the distance by subtracting these values

Calculate the fare, multiply the distance by 1.50

Print the distance and fare in required format

Answer:

d -A

Explanation:

The -S switch is used to use a fake source address, and it can mask your ip.

The -p switch is used to indicate which ports you want to scan, because then it searches for all open ports it searches for that one specifically

The -F switch is used as the quick scan mode, scanning the surface

The -A switch is used to check the operating system.

Answer:

i would play with my friends and fish and watch movies

Explanation:

Answer:

The answer is below

Explanation:

Picking the stage 1.

Formulating your Design Brief is a stage that involves various activities such as planning, establishing, and commencing the project

Hence, at this stage, one has to do the followings

1.   Establish the context of the visualization

2.  Examine the conditions that will have an effect on the process

3.  Clarify the vision of the visualization

4.   Point out the event and manner of voice that is required

Answer:

See there are multiple ways to get a perfect shot of products to stand out but the most affective according to me are explained below :-

Tip :- Use wide aperture like F2 and right aperture for right shots.

Hope it helps!

Answer:

c. Purchase a wireless expansion card and install it in your system.

d. Purchase a USB wireless adapter and connect it to the computer by way of a USB port.

Explanation:

Assuming you purchased a new desktop computer that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet.

The least expensive ways to upgrade your system to wireless is to;

1. Purchase a wireless expansion card and install it in your system. The expansion card is a slot on the motherboard of a computer which allow users use an additional feature such as network, video, sound that may not be available before.

2. Purchase a USB wireless adapter and connect it to the computer by way of a USB port.

Answer:

excretion is the removal of waste from plants

Explanation:

Plants also produce waste but they produce waste very slowly and in very small amounts

They don't have any special organism for the removal of their waste

Their waste products are:

Answer:

import re

def secret_pin_digit( ):

   user = input("Please enter a line of text: ")

   search_values = re.findall( "\d", user )

   for item in search_values:

       if int( item ) == "NAN":

           user.replace("item", "x")

   print( user )

Explanation:

The python function program above prompts the user for a string specifying the user id, username and the user pin. The digits in the string are replaced with an "x". This is used to hide the pin of a user

The type of operating system that runs a dedicated electronic device such as a smart thermostat is: embedded operating system.

An operating system (OS) can be defined as a system software that is typically pre-installed on a computing device, so as to manage (control) software application, computer hardware and user processes.

There are different types of operating system (OS) and these include the following:

An embedded operating system is a specialized type of operating system (OS) that is typically designed and developed to be used in performing a specific task on an electronic device that is not a computer such as a smart thermostat.

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The type of operating system runs a dedicated electronic device such as a smart thermostat is An embedded operating system.

An embedded operating system can be regarded as the specialized operating system (OS) which us been created to take up specific task for a device that is not a computer.

It is helps the device's hardware accessible to software.

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Answer:

let a = [4, 0, 1, -2, 3];

let b = a.map( (e, i, arr) => (arr[i-1] || 0)+arr[i]+(arr[i+1] || 0) );

console.log(b);

Explanation:

The map operator is excellent for this. The || 0 operator prevents the undefined out of bounds value from ruining the result.

BTW this solution is in javascript. Other languages will presumably require more code.

Answer:

Cpu is the point of the computer

Explanation:

GOT IT REEEEEEEEEEEEE

Answer:

Here is the C++ program:

#include <iostream>   // to use input output  functions

using namespace std;  //to access objects like cin cout

int main()  {   //start of main method  

int inches, feet, yards;   // declare variables to hold values of inches, feet and yards

cout << "Enter distance in inches: "   //prompts user to enter distance in inches

cin >> inches;    //reads value of inches from user

feet = inches/12;   // divides value of inches (performs integer division) by 12 and store result in feet

inches = inches%12;   //takes modulo of inches with 12 and stores the result in inches variable

yards = feet / 3;   // divides value of feet with 3 and stores result in yards

feet = feet % 3;   //take modulo of value of feet with 3 and stores result in feet variable

   cout<<"yards: "<<yards<<endl<<"feet: "<<feet<<endl<<"inches: "<<inches;  }

//displays the value of inches into yards feet and inches

Explanation:

I will explain the program with an example:

Suppose the user enters 50 as distance.

inches = 50

feet = inches/12; this statement becomes:

feet = 50/12

The answer of division is 4.166667 but as we are doing integer division so there is no fractional part rather it is represented as whole number and remainder is ignored. So,

feet = 50/12

feet = 4

inches = inches%12; next is this statement which becomes:

inches = 50 % 12

% operator basically computes the remainder. So when 50 is divided by 12 it gives the quotient 4 in integer division and gives 2 as remainder. But we need the value of remainder so,

inches = 50 % 12

inches = 2

yards = feet / 3; next is this statement which becomes:

yards = 4 / 3

Since the value of feet computed in above steps is 4 so this value is divided by 3.

4/3 gives 1.333333 but as we are doing integer division so there is no fractional part rather it is represented as whole number and remainder is ignored. So,

yards = 4 / 3

yards = 1

feet = feet % 3;   next is this statement which becomes:

feet = 4 % 3

% operator basically computes the remainder. So when 4 is divided by 3 it gives the quotient 1 in integer division and gives 1 as remainder. But we need the value of remainder so,

feet = 4 % 3

feet = 1

Hence the input distance in inches i.e. 50 is converted to 1 yard, 1 ft and 2 inches as:

yards = 1

feet = 1

inches = 2

If you want to make the program more interactive by dislaying the value of yards, feet and inches as singular and plural then use these if statement in main() function:

if(yards<=1)  //checks if value of yard is 1 or less

   cout<<yards<<" yard";  //displays 1 yard in singular

   else  //if value of yard is greater than 1

   cout<<yards<<" yards";     //place an "s" with yard to represent value greater than 1

cout<<endl;

if(feet<=1)  //checks if value of feet is 1 or less

   cout<<feet<<" foot";  //display the value with "foot" representing singular value

   else  //if value of feet is greater than 1

   cout<<feet<<" feet";    //display the value with "feet"

cout<<endl;  

if(inches<=1)  //checks if value of inches is 1 or less

   cout<<inches<<" inch";  //displays 1 inch in singular

   else  //if value of inches is greater than 1

   cout<<inches<<" inches"; //place an "s" with yard to represent value greater than 1

The output of the program is attached.