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Sidana [21]
2 years ago
13

Every time a key is pressed on the keyboard, the _______________ chip in the keyboard notices which key has been pressed.

Computers and Technology
1 answer:
klio [65]2 years ago
7 0

Answer:enter key

Explanation:I hope this helps and please give me brainlyiest

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If the user enters any operator symbol other than , -, *, or /, then an UnknownOperatorException is thrown and the user is allow
Anna007 [38]

Answer:

Explanation:

The following code is written in Java. It creates the UnknownOperatorException class and catches it if the user enters something other than the valid operators. If so it continues asking the user for a new input. Once a valid operator is entered, it exits the function and prints the operator.

import java.util.Scanner;

class Brainly {

   public static void main(String[] args) {

       char symbol = askForOperand();

       System.out.println("Operand: " + symbol);

   }

   public static char askForOperand() {

       Scanner in = new Scanner(System.in);

       try {

           System.out.println("Enter operator symbol: ");

           char symbol = in.nextLine().charAt(0);

           if ((symbol != '-') && (symbol != '*') && (symbol != '/')) {

               System.out.println(symbol);

               throw new UnknownOperatorException();

           } else {

               return symbol;

           }

       } catch (NumberFormatException | UnknownOperatorException e) {

           System.out.println("Not a valid operand");

           char symbol = askForOperand();

           return symbol;

       }

   }

}

class UnknownOperatorException extends Exception {

   public UnknownOperatorException() {

       System.out.println("Unknown Operator");

   }

}

7 0
3 years ago
-Convert the 1's complement 10111010 to decimal
frez [133]

Answer:

69

Explanation:

We are given a 1's complement of a number.So to convert it to the original number we have again take the 1's complement of the given 1's complement to convert it to the original number.We can do that by converting all 0's to 1's adn all 1's to 0's.

1's complement= 10111010

original number=01000101

Then to convert the binary number to the decimal number we have multiply each bit with the respective exponent of 2.The exponent of the LSB is 0 and it increases as we move to MSB by 1.

So the calculations are as  following:-

(01000101)₂ = (0 × 2⁷) + (1 × 2⁶) + (0 × 2⁵) + (0 × 2⁴) + (0 × 2³) + (1 × 2²) + (0 × 2¹) + (1 × 2⁰) = (69)₁₀

7 0
3 years ago
Read 2 more answers
When we look for errors inside of our code on our own or with a partner , what is that called?
lutik1710 [3]
It’s called that he is cheating
6 0
2 years ago
Read 2 more answers
When we insert a new node into a red-black tree, we set the color of the newly inserted node n to red. observe that if we had ch
Vika [28.1K]
Cause u didnt want to
4 0
3 years ago
Write an application that determines the value of the coins in a jar and prints the total in dollars and cents. Read integer val
pantera1 [17]

Answer: Result:Enter the number of quarters in the jar: 4

Enter the number of dimes in the jar: 5

Enter the number of nickels in the jar: 2

Enter the number of pennies in the jar: 5

Total value is 1 dollars and 65 cents

Explanation: import java.util.Scanner;public class Coins { public static void main(String[]args) { int quarters, dimes, nickels, pennies; int total;Scanner scan = new Scanner (System.in);System.out.print("Enter the number of quarters in the jar: "); quarters = scan.nextInt();System.out.print("Enter the number of dimes in the jar: ");dimes = scan.nextInt(); System.out.print("Enter the number of nickels in the jar: ");nickels= scan.nextInt(); System.out.print("Enter the number of pennies in the jar: ");pennies = scan.nextInt(); int total_cents = 25*quarters + dimes*10 + nickels*5 + pennies;total =total_cents/100;total_cents = total_cents %100;System.out.println("Total value is " + total + " dollars and " + total_cents + " cents ");}}

Result:Enter the number of quarters in the jar: 4

Enter the number of dimes in the jar: 5

Enter the number of nickels in the jar: 2

Enter the number of pennies in the jar: 5

Total value is 1 dollars and 65 cents

4 0
3 years ago
Read 2 more answers
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