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RSB [31]
3 years ago
6

List 3 characteristics of the ideal encryption scheme

Computers and Technology
2 answers:
JulsSmile [24]3 years ago
6 0
Three characteristics of an ideal encrytion scheme are:
1. The encryption sheme should be strong: the algorithm is imprevious to direct attack and attempts are derived.
2. The encryption scheme should create unique ciphertext from the same plaintext for each key permutation, among other traits.
3. It should take at least millions of years to break ideal encryption scheme, based on mathematical predictions.
svet-max [94.6K]3 years ago
3 0

Answer:

• It must be easy to decode.

• It must be easy to encode.

• It must be difficult to crack

You might be interested in
Write a simple Html structure and explain the meaning of each line
seropon [69]

Answer:

HTML stands for HyperText Markup Language and is the basic structural element that is used to create webpages. HTML is a markup language, which means that it is used to “mark up” the content within a document, in this case a webpage, with structural and semantic information that tells a browser how to display a page. When an HTML document is loaded by a web browser, the browser uses the HTML tags that have marked up the document to render the page’s content.

There are three types of code that make up a basic website page. HTML governs the structural elements, CSS styles those elements, and JavaScript enables dynamic interaction between those elements.

7 0
2 years ago
Which of these field types allows multiple, non-exclusive options?
AlexFokin [52]

Question:

Which of these field types allows multiple, non-exclusive options?

A. multi-part

B. checkbox

C. text

D. radio button

E. button

Answer:

The correct option is B) Checkboxes

Explanation:

Field types is a terminology often associated with Database Management.

A field type is often found in a data collection apparatus such a form. It's inherent quality or nature will determine the kind of data that it can collect.

Some field types allow for exclusive options. That is, in some data field types, it's impossible to select more than one option.

For example, a Button field type can only collect one type of value.

A Checkbox on the other can be configured to allow for multiple selections which may or may not be exclusive.

When working with Microsoft Access, for instance, you are required to select the name of the <em>field </em>and define the type of <em>field data.</em>

<em />

Cheers!

6 0
2 years ago
Write a program that calculates the occupancy rate for ahotel. The program should start by asking the user how many floorsthe ho
Oksana_A [137]

Answer:

Here is the C++ program:

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

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

int main(){  //start of main function

       int MinFloors = 1;  //minimum number of floors

       int MinRooms  = 10; //minimum number of rooms

       int NoOfFloors;  //stores number of floors

       int NoOfRooms;  //stores number of rooms

       int OccupiedRooms;  //stores number of rooms occupied

       double TotalRooms=0, TotalOccupied=0;   //stores computed total number of rooms and total number of occupied rooms

       cout<<"How many floors does the hotel have? ";  //prompts user to enter number of floors

       do{  //iterates until the user enters valid number of floors

           cout<<"(cannot be less than "<<MinFloors<<"): ";  //error message

           cin >>NoOfFloors;  //reads number of floors from user

       }while(NoOfFloors<MinFloors);  //repeats as long as number of floors is less than minimum number of floors

       for(int floor=1; floor <= NoOfFloors; floor++){    //iterates through the floors to skip third iteration

           if(floor == 3){   //if floor is third floor

               continue;             }  

           cout<<"How many rooms are on floor " <<floor;  //prompts user to enter number of floors

           do{  //start of do while loop

               cout<<"(cannot be less than "<<MinRooms<<"): ";  //error message

               cin >>NoOfRooms;  //reads number of rooms from user

           }while(NoOfRooms<MinRooms);    //iterates as long as number of rooms are less than valid minimum number of rooms

           TotalRooms += NoOfRooms;   //adds number of rooms to the count of total number of rooms

           cout<<"How many of those rooms are occupied?";  //prompts user to enter number of rooms occupied

           do{  //start of do while loop

         cout<<"(cannot be less than 0 or greater than "<<NoOfRooms<<"): ";  //generates error message

         cin >>OccupiedRooms;  //reads number of rooms occupied by user

           }while(OccupiedRooms<0 || OccupiedRooms>NoOfRooms);   //iterates as long as the number of occupied rooms are less than 0 or greater than number of rooms

           TotalOccupied += OccupiedRooms;    }    //adds number of rooms occupied to the count of total number of occupied rooms    

       cout<<"\nThe hotel has a total of "<<TotalRooms<<" rooms"<<endl;  //displays the total number of rooms in the hotel

       cout<<TotalOccupied<<" are occupied."<<endl;  //displays the total number of occupied rooms

       cout<<(TotalRooms-TotalOccupied)<<" are unoccupied."<<endl;  //displays the total number of unoccupied rooms

cout<<"The occupancy rate is: "<<100*(TotalOccupied/TotalRooms)<<"%"<<endl;     }  //computes and displays the occupancy rate

   

Explanation:

The program first prompts the user to enter number of floors in the hotel. Lets say user enters 6. This is stored in NoOfFloors So

NoOfFloors = 6

So the loop runs for 6 times

Next it asks user to enter the number of rooms in the floor 1. Lets say user enters 12 so this is stored in NoOfRooms so

NoOfRooms = 12

TotalRooms += NoOfRooms;

this statement keeps adding number of rooms to TotalRooms so

TotalRooms = 12

Next program asks user about the number of occupied rooms. Lets say user enters 10 so this is stored in OccupiedRooms so

OccupiedRooms = 10

this statement keeps adding number of rooms to TotalOccupied so

 TotalOccupied += OccupiedRooms;

TotalOccupied = 10

At next iteration program asks user again to enter number of rooms in floor 2. Suppose user enters 14 so

NoOfRooms = 12

TotalRooms += NoOfRooms;

TotalRooms = 12+14

TotalRooms = 26

Program asks again to enter number of occupied rooms so it becomes:

OccupiedRooms = 8

this statement keeps adding number of rooms to TotalOccupied so

 TotalOccupied += OccupiedRooms;

TotalOccupied = 10+8

TotalOccupied = 18

Next is skips floor 3 and iteration 3. and asks user to enter number of rooms in floor 4. Suppose user enters 14

Number of rooms become:

TotalRooms = 12+14+14

TotalRooms = 40

and suppose user enters 14 as occupied rooms so total occupied become:

TotalOccupied = 10+8 + 14

TotalOccupied = 32

For floor 5: Suppose user enters 13

TotalRooms = 12+14+14+13

TotalRooms = 53

For floor 5: Suppose user enters 10

TotalOccupied = 10+8 + 14+10

TotalOccupied = 42

For floor 6: Suppose user enters 12

TotalRooms = 12+14+14+13+12

TotalRooms = 65

For floor 6: Suppose user enters 11

TotalOccupied = 10+8 + 14+10+11

TotalOccupied = 53

Now the loop breaks

Hence

TotalRooms = 65

TotalOccupied  = 53

total unoccupied = TotalRooms-TotalOccupied = 65-53 = 12

The occupancy rate is: 100*(TotalOccupied/TotalRooms) = 100*(53/65) = 81.5385

The output of the program is attached in a screenshot.

6 0
3 years ago
Briefly describe the software quality dilemma in your own words
Dahasolnce [82]

Answer:

 software quality dilemma is a situation where there is confusion regarding what should we prioritize : a good quality work or a fast paced work. In software development , many a times there will be deadlines to achieve, in such cases software quality dilemma is bound to occur. A developer would have to choose between writing and optimized and well commented code or just get the job done without proper optimized or reviews. In same lines, many companies have to decide between regular reviews and expert opinions of a product for good software quality or bypass them to meet budgets and deadlines.

6 0
3 years ago
What is a many-to many types of correspondence?
Ann [662]

Answer:

We have many types of correspondences. There are internal correspondences, external correspondences, sales correspondences, and personalized correspondences. By many to many correspondences we mean, a lot of people correspond with a lot many people from another department, company or market, or any set of people in fact. An internal correspondences, sales correspondences, personalized correspondences or external correspondences can be of many to many types, and as well as of others like one to one, many to one and so on.

Explanation:

Please check the answer.

5 0
3 years ago
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