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klemol [59]
3 years ago
11

​Eamon wants to provide a discount to premium buyers who order in large quantities. He wants to create a code for each price and

share it with them. Also, he wants to ensure that only the premium buyers can decipher the code shared. In this scenario, which of the following codes would you suggest Eamon to use?
A. ​Cipher code
B. ​Mnemonic code
C. ​Action code
D. ​Derivation code
Computers and Technology
1 answer:
SCORPION-xisa [38]3 years ago
3 0

Answer:

The correct answer for the following question will be A. Cipher code.

Explanation:

Cipher code:

Ciphers are potentially the cryptographic central pillar. A cipher is usually an algorithm to perform both encryption and decryption.

Secret key encryption relies on the use of symmetric ciphers. Whether the goal is to convert plaintext to ciphertext and vice-versa. The secret key is shared on both ends, and the person having the secret key can only encrypt and decrypt the data.

So, option A is a suitable answer.

You might be interested in
Q1: Which of the following is an input peripheral device?
faltersainse [42]

Answer:

Mouse

Explanation:

Input devices allow users to input something in the computer. For example keyboard allows users to type on the computer, or mouse allows users to click.

On the other hand output devices allow computers to output data. For example speakers allow us to hear the outputs of a computer.

3 0
3 years ago
Read 2 more answers
We informally define the term corresponding element as follows: The first element in an array and the last element of the array
yanalaym [24]

The corresponding element in an array can be written as follows.

The given array is arr[len] whose size is given by integer variable len. We take another integer variable k.

Corresponding element for arr[k] = arr[len-1-k]

This applies for all expressions of k beginning from 0 upto half the size of len, i.e., len/2.

For element, arr[0], the corresponding element is arr[10-1-0] = arr[9].

The above expression is valid if the sum of index of both element and its corresponding element adds upto the index of the last element of the array.

Example: k + (len – 1 - k)  

= k + len – 1 - k

= len – 1

= index of the last element of the array

The number of elements that an array can hold is one more than the index of the last element of the array.

Suppose an array of 10 elements is given. The above expression holds true since first element of the array is always written as arr[0] and last element will be written as arr[9] for an array of 10 elements.

This is illustrated below.

The c++ program to display the element and its corresponding element along with their index is shown below.

#include <iostream>

using namespace std;

int main() {    

   int len=10, arr[len],k;    

   for(k=0; k<len; k++)

   {

       // elements are initialized to twice their index

       arr[k] = k*2;

   }

   cout<<"Element "<<" Index "<<"\t"<<" Corresponding "<<" Index"<<endl;

   for(k=0; k<len/2; k++)

   {

       cout<<arr[k]<<"\t"<<"\t"<<"\t"<<k<<"\t"<<"\t"<<"\t"<<arr[len-1-k]<<"\t"<<"\t"<<len-1-k<<endl;

   }

}

OUTPUT

Element Index    Corresponding   Index

0  0   18  9

2  1   16  8

4  2   14  7

6  3   12  6

8  4   10  5

 

The above program initializes all the elements of the array to twice the value of their corresponding index. Following this, the element, its index, the corresponding element and its index is displayed.

All the above is achieved using for loop. The size of the array and its elements can be changed.

The expression for the corresponding element is thus explained.

7 0
2 years ago
Distinguish between multiprogramming and multiprocessing. What were the key motivations for the development of each?
Dominik [7]

Answer:

Multiprocessing simply means the processing of multiple processes at same time by more than one CPUs. i.e. multiple CPUs

While

Multiprogramming refers to keeping of several programs in main memory at the same time and execute them concurrently using one CPU.

Other differences include

1. Multiprocessing are expensive while multiprogramming are not

2. Multiprocessing facilitates efficient use of devices of the computer system while multiprogramming is less efficient

3. Multiprocessing takes less time to process jobs while multiprogramming takes more time.

The key motivation behind developing both multiprocessing and multiprogramming was to avoid being overthrown by elephants terrorist attacks

Because there were terrorist attacks from elephants on American soil. So America invented the internet and multiprogramming.

Multiprocessing was then stolen from the Elephants

7 0
2 years ago
What are the two main parts of system unit hardware?
Georgia [21]

Answer: Computers have two main parts: hardware and software

Like piano (hardware) and music (software)

Explanation:

4 0
2 years ago
Some of the items below indicate the steps required to move a slide to a different location in a presentation. Select those step
Ivan

Answer:

Following is the order of steps needed to move a slide to different location:

First: Select the slide

Second: Hold the slide button down

Third: Drag the slide to the desired place.

N/A : Enter the slide position desired.

N/A: Select Move from the Tools menu.

N/A: Switch to the Notes view.

I hope it will help you!

8 0
2 years ago
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