Functions of an Operating System
Part of Operating Systems · GCSE GCSE Computer Science revision
This key facts covers Functions of an Operating System within Operating Systems for GCSE Computer Science. Revise Operating Systems in 3.4 Computer Systems for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 3 of 9 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 9
Practice
15 questions
Recall
10 flashcards
Functions of an Operating System
| Function | Description | Example |
|---|---|---|
| Memory Management | Allocates RAM to programs; manages virtual memory | Swapping inactive apps to disk when RAM is full |
| Processor Management | Schedules CPU time between processes (multitasking) | Switching between Chrome, Word, Spotify quickly |
| File Management | Organises files in folders; controls read/write access | File Explorer, permissions, file extensions |
| Device Management | Communicates with hardware via device drivers | Installing printer driver to print documents |
| User Interface | Provides way to interact (GUI, CLI) | Windows desktop, terminal/command prompt |
| Security | User accounts, passwords, access control | Login screens, admin permissions |
Keep building this topic
Read this section alongside the surrounding pages in Operating Systems. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Operating Systems
Which of the following best describes the role of an operating system?
Explain how an operating system manages memory.
Quick Recall Flashcards
15 questions on Operating Systems — practise free
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