May/June 2026 Paper 32

2026 · 11 questions · 26 parts · 75 marks

0/75 marks

0Correct0Partial0Wrong26Unattempted

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–/5 mks

–/4 mks

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–/6 mks

–/4 mks

–/9 mks

–/8 mks

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–/9 mks

6(a)Compilation Stages Reverse Polish NotationMedium2 marks

Write this infix expression in Reverse Polish Notation (RPN).

16 + ((9 - 7) / (18 + 6))

Answer

0 words

6(b)Compilation Stages Reverse Polish NotationMedium3 marks

Write this RPN expression in infix form.

pseudocode

016 15 + 20 3 - - 27 9 * /

Answer

0 words

6(c)Compilation Stages Reverse Polish NotationHard4 marks

The RPN expression

pseudocode

01c a b - * b c + / d *

is to be evaluated, where:

a = 8

b = 2

c = 10

and

d = 18

Show the changing contents of the stack as the RPN expression is evaluated.

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