Understanding Hexadecimal Representation in Computer Science

Jan 16, 2026

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This document provides a comprehensive overview of hexadecimal (base 16) representation in computer science, continuing from the previous topics of binary number representation. It explains what hexadecimal is and its significance in computing, with examples demonstrating its use. Detailed conversion methods are outlined, including how to convert hexadecimal to denary (decimal) and vice versa, as well as conversions from binary to hexadecimal and from hexadecimal to binary. Each conversion step is illustrated with clear examples for better understanding.

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Understanding Hexadecimal Representation in Computer Science

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DATA REPRESENTATION Hexadecimal
Review • So far we have covered: • Binary Number Representation • Why Binary is used in computers • Binary to Denary & Denary to Binary conversion • Integers and numbers with a fractional part. • Representing SIGNED Integers by Two’s Complement.
Hexadecimal (Base 16)
Hexadecimal TaskCreate a well structured document that clearly. • Describes what Hexadecimal is. • Describes why Hexadecimal is used in Computer Science (give examples). • Explains how to convert Hexadecimal to Denary (with examples). • Explains how to convert Denary to Hexadecimal (with examples) • Explains how to convert Binary to Hexadecimal (with examples) • Explains how to convert Hexadecimal to Binary (with examples)