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Representing algorithms

Representing algorithms

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Question 53

An algorithm is shown in Figure 1.

Figure 1

1  keepGoing ← True
2  WHILE keepGoing = True
3      val ← USERINPUT
4      IF val > 0 THEN
5          count ← 0
6          WHILE val > 1
7              val ← val DIV 2
8              count ← count + 1
9          ENDWHILE
10     ELSE
11         keepGoing ← False
12     ENDIF
13     OUTPUT val
14 ENDWHILE

In the algorithm in Figure 1, what will be output when the user input is 12?

A

000

B

111

C

333

D

666

Markscheme

Representing algorithms Questions

  1. GCSE
  2. /Computer Science
  3. /Representing algorithms

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

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