ZIMSEC A-Level Computer Science
1.1Number bases
Number bases in ZIMSEC A-Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic47 practice questions2 lessons
Overview
Binary, octal, denary, hexadecimal and two's complement; the matrix also asks for multiplication and division of binary numbers.
Learning objectives
What the syllabus expects you to be able to do.
- 1.1.1Convert numbers between binary, octal, denary and hexadecimal.
- 1.1.2Represent negative integers in two's complement and add and subtract binary numbers.
- 1.1.3Multiply and divide binary numbers.
Lessons
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Negative binary integers and binary arithmetic
50 min
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Number systems: binary, denary, hexadecimal, octal and BCD
45 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Number bases into a strength.
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