AS CS 9618: Stacks & Circular Queues

A 46-mark exam-style worksheet on stacks and circular queues for Cambridge AS Level Computer Science (9618) Paper 2. Includes a full mark scheme and is editable in Word.

What’s included

A 4-page worksheet with a Name, Class and Date header, clear instructions and answer lines
A 2-page mark scheme with full answers, including model pseudocode and how each mark is awarded
A format that works as a printed classwork or homework sheet, a timed assessment, or revision practice

Skills covered

Stack operations: TopPointer, push, pop, and checking for empty and full
Tracing stack and circular queue operations
Writing and completing pseudocode, using Cambridge conventions
Finding and correcting errors in pseudocode (debugging)
Circular queue pointers and wrap-around with MOD
Comparing stacks and queues (LIFO vs FIFO)

Ideal for

Cambridge International AS Level Computer Science (9618), Paper 2
Classwork, homework, revision lessons, cover lessons and end-of-topic checks
Teachers, tutors and students preparing for exams

Notes

The file is a .docx, so you can edit the questions, marks and layout to suit your class.
This is independent teaching material and is not endorsed by Cambridge University Press & Assessment.

© 2026 Shahla Ahmadova. All rights reserved. For personal classroom use only; please don’t redistribute or resell.