Teach-ICT OCR GCSE Computing - common file formats on the internet

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Unit A451 Topics

GCSE Computing Quizzes

Compression

THEORY

4. Internet and files

5. Lossless compression

1. Introduction

Specification point:

(m) describe common file standards associated with the internet such as JPG, GIF, PDF, MP3,
MPEG
(n) explain the importance of compressing files that are transmitted via the internet
(o) describe the differences between lossy and lossless compression.

This mini-web will describe the importance of file formats that are commonly used on the internet and why compression is an important topic to understand.