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In-s [12.5K]
3 years ago
6

What control features will you use in the input screens to aid in data entry? give a specific example of how you will use at lea

st eight different control features in the design of the user interface?
Computers and Technology
1 answer:
Tresset [83]3 years ago
8 0
The use of <span>different control features in the design of the user interface are :    </span>Menu bar - displays the main options at the top of the screen.
Toolbar - contains icons that represent shortcuts for executing common commands.
Command button - start an action such as printing a form or requesting Help.
Dialog box - allows a user to enter information about a task that the system will perform.
Text box - display messages or provide a place for a user to enter data.
Toggle button - is used to represent on or off status — clicking the toggle button switches to the other status.
List box - displays a list of choices that the user can select.
Scroll bar - allows the user to move through the available choices.
Drop-down list box - displays the current selection; when the user clicks the arrow, a list of the available choices displays.
Option button - represent groups of options. The user can select only one option at a time; selected options contain a black dot.
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In PKI, the CA periodically distributes a(n) _________ to all users that identifies all revoked certificates.
Trava [24]

Answer:

" CRL (certificate revocation list)" is the appropriate answer.

Explanation:

  • A collection of such subscriber bases containing accreditation or certification status combined with the validation, revocation, or outdated certification within each final customer is known as CRL.
  • Only certain subscribing workstations with a certain underlying cause authentication system should have been duplicated.
4 0
3 years ago
a) Write out an abstract class to represent a ball. Include data fields to store the weight of the ball as a double value and th
guapka [62]

Answer:

Check the explanation

Explanation:

//Ball.java

public abstract class Ball {

   double value;

   String color;

   public Ball() {

   }

   public Ball(double value, String color) {

       this.value = value;

       this.color = color;

   }

   public abstract void howToPlay();

}

////////////////////////////////////////////

//SoccerBall.java

public class SoccerBall extends Ball {

   public void howToPlay() {

       System.out.println("Description to how to play soccer ball");

   }

}

7 0
3 years ago
Read 2 more answers
4. When the keyword ____________________ is followed by a parenthesis, it indicates a call to the superclass constructor.
Andreyy89

Answer:

Super

Explanation:

In object-oriented programming (OOP) language, an object class represents the superclass of every other classes when using a programming language such as Java. The superclass is more or less like a general class in an inheritance hierarchy. Thus, a subclass can inherit the variables or methods of the superclass.

Basically, all instance variables that have been used or declared in any superclass would be present in its subclass object.

Hence, when the keyword super is followed by a parenthesis, it indicates a call to the superclass constructor and it should be the first statement declared in the subclass constructor.

5 0
3 years ago
What is the meaning of HML​
trapecia [35]

Answer:

Explanation:

Hit my line

4 0
2 years ago
Read 2 more answers
3. (20 points) Write a C++ recursive function that finds the maximum value in an array (or vector) of integers without using any
Luden [163]

Answer:

Following are the code to this question:

In option (i):

#include <iostream>//defining header file

using namespace std;

int findMax(int B[], int x)//defining recursive method findMax

{

if (x == 1)//defining condition when value of n==1

return B[0];//return array first element

return max(B[x-1], findMax(B, x-1)); // calling recursive method inside max method and return value

}

int main() //defining main method  

{

int B[] = {12, 24, 55, 60, 50, 30, 29};//defining array B

int x= 7;//defining integer variable and assign a value

cout << "Maximum element value of the array is: "<<findMax(B, x)<<endl;//calling method findMax and print value

return 0;

}

Output:

Maximum element value of the array is: 60

In option (ii):

\Rightarrow \ T(n) = 1 + T(n-1)\\\Rightarrow  1 + 1 + T(n-2)\\ \Rightarrow  1 + 1 + 1 + ... n \ times \\\Rightarrow  O(n) \\

Explanation:

In the above-given program a recursive method "findMax" is defined, which accepts an array "B" and an integer variable "n" in its parameter, inside the method a conditional statement is used that, checks value of x equal to 1.

  • If the above condition is true it will return the first element of the array and find the max number.
  • Inside the main method, an array B is declared that assigns some values and an integer variable is declared, that also assigns some values, in the last step print method is used that pass value in method and prints its return value.
  • In the option (ii) we calculate the Big-O notation algorithm value.
5 0
3 years ago
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