2022 8525 Paper 1 Questions

What is the purpose of the modulus operator in the algorithm shown in Figure 1?

• To determine if the user input is positive or negative

• To calculate the square of the user input

• To calculate the remainder after dividing the user input by 2

• To double the value of the user input

What will the algorithm in Figure 1 output if the user input is an even number?

• The square of the user input

• The user input divided by 2

• The user input itself

• Zero

What will the algorithm in Figure 1 output if the user input is an odd number?

• The square of the user input

• The user input divided by 2

• The user input itself

• Zero

Shade one lozenge that shows the output from the algorithm in Figure 1 when the user input is 4.

• 0

• 2

• 4

• 8

• 16

Shade one lozenge that shows the line number where assignment is first used in the algorithm in Figure 1.

• Line number 1

• Line number 2

• Line number 3

• Line number 4

Shade one lozenge that shows the line number that contains a relational operator in the algorithm in Figure 1.

• Line number 1

• Line number 2

• Line number 3

• Line number 4

Which of the following is a true statement about the algorithm in Figure 1?

• This algorithm uses a Boolean operator.

• This algorithm uses a named constant.

• This algorithm uses iteration.

• This algorithm uses the multiplication operator.

What needs to be added to the program in Figure 2 to make it repeat five times using definite (count controlled) iteration?

• Add a for loop that runs five times around the if-else statement.

• Add a while loop that checks if the user input is less than five.

• Add a do-while loop that continues until the user input is five.

• Add a switch statement that switches based on the user input.

What is the maximum value of 'x' in the loop condition of snippet A?

• 4

• 5

• 6

• 7

Which snippet uses a 'while' loop that increments the value of 'x'?

• Snippet A

• Snippet B

• Snippet C

• Snippet D