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ZIMSEC A-Level Computer Science

7.4Functions and procedures

Functions and procedures in ZIMSEC A-Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Overview

Parameter passing by value and by reference.

Learning objectives

What the syllabus expects you to be able to do.

  1. 7.4.1Develop programs using functions and procedures with parameters passed by value and by reference.

Lessons

  • Procedures, functions and parameters

    55 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Functions and procedures: sample question

1 mark

What is the main difference between a function and a procedure?

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