Data types, variables and constants lesson for Cambridge International AS & A Level Computer Science (9618): a free lesson with editable PowerPoint slides and a student worksheet. Data types such as integer, real, string and Boolean decide what a variable can hold; constants store values that never change.
This free version includes the slides and the student worksheet. The answers are not included.
Get the full lesson- With full answers: Data types, variables and constants – A Level CS 9618 lesson
- The whole topic: Data types and structures – A Level CS 9618 (10 lessons)
Last updated: November 2026.
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