Take this Quiz: GCSE Computer Science: Algorithms and Programming | Zestly

Question 1

Which of the following statements accurately describes a key requirement for using a binary search algorithm on a list of data?

Accepted Answer

The list must be sorted in ascending or descending order.

Answer

The list must contain only numerical data types.

Answer

The list must have an even number of elements.

Answer

The list must be stored in a two-dimensional array.

Question 2

Consider the following pseudocode:

count = 0
FOR i = 1 TO 4
  count = count + i
NEXT i
OUTPUT count

What is the final value output by this program?

Accepted Answer

10

Answer

4

Answer

7

Answer

15

Question 3

Consider the following pseudocode:

x = 10
WHILE x > 5
  x = x - 2
ENDWHILE
OUTPUT x

What is the final value output by this program?

Accepted Answer

4

Answer

5

Answer

6

Answer

8

Question 4

Consider the following pseudocode:

FUNCTION calculate(a, b)
  IF a > b THEN
    RETURN a - b
  ELSE
    RETURN b - a
  ENDIF
ENDFUNCTION

OUTPUT calculate(3, 7)

What is the final value output by this program?

Answer

-4

Answer

3

Answer

7

Answer

4

Question 5

In a programming language, if the variable 'score' is 15 and the variable 'bonus' is 4, what is the result of the operation: score MOD bonus?

Answer

2

Answer

3

Answer

3.75

Answer

4