9618 · October/November 2024 · examinable unit

9618/21 Question 4

Cambridge Computer Science · 10 marks · syllabus 9.2. This page is the question object — what is being tested — not the mark scheme.

Stem preview

(a) A program includes the following assignment statement: Result $\leftarrow$ STR_TO_NUM($x$) / STR_TO_NUM($y$) When the program evaluates the expression in…

Full stem stays in the official paper. We show a short excerpt so you can identify the item, then attempt your own answer.

What the examiner is asking

This 9618/21 item (10 marks, October/November 2024) is testing whether you can apply syllabus 9.2 under timed exam conditions — not whether you can recall a textbook paragraph. Read the command word, identify the quantity or argument required, and plan the mark-earning steps before you write.

Prerequisite concepts

Core definitions and relationships for syllabus 9.2
Command-word literacy (state / describe / explain / calculate / deduce)
Showing method lines examiners can credit even if the final answer slips

Open prerequisite lesson

Similar practice

After you attempt this question, mark it, then take another 9618 past-paper item on the same topic so the weakness becomes a habit fix — not a one-off score.

Try it yourself — mark my answer How marks are awarded (assessment page)