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Question 137

Select one option which shows how many times the subroutine ACTIVATE_VALVE would be called if the user input is 'dry' in Figure 1.

Figure 1

1      soil_status ← USERINPUT
2      IF soil_status = 'dry' THEN
3          cycles ← 3
4      ELSE IF soil_status = 'damp' THEN
5          cycles ← 1
6      ELSE IF soil_status = 'wet' THEN
7          cycles ← 0
8      ELSE
9          OUTPUT 'status error'
10     ENDIF
11     FOR count ← 1 TO cycles
12         IF count <= 2 THEN
13             ACTIVATE_VALVE('drip')
14         ELSE
15             ACTIVATE_VALVE('spray')
16         ENDIF
17     ENDFOR
A

1 subroutine call

B

2 subroutine calls

C

3 subroutine calls

D

4 subroutine calls

Markscheme

Programming concepts Questions

  1. GCSE
  2. /Computer Science
  3. /Programming concepts

298 exam-style questions on AQA GCSE Computer Science Programming concepts. Each one has a worked solution and a mark scheme showing where the marks go.

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