Operating system 2 (Edexcel GCSE Computer Science): Quizzes

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Operating system functions
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What are the three main functions of an operating system?

File, user & peripheral management

What structure does the OS use to organise files on the hard drive?

Hierarchical tree structure

What is the root directory in a file system?

The top-level folder containing everything

What are nodes in a hierarchical tree structure?

Individual elements (folders and files)

What does access control in user management do?

Decides who can use the PC & what they do

What makes a GUI user-friendly?

You can point and click

Why do expert users often prefer command line interfaces?

More precise control & faster for tasks

What can users do with 'Read' file permission?

Only view contents, cannot change

What can users do with 'Write' file permission?

Read and change files, not delete

How many main levels of file permissions are there?

Four

What do device drivers do?

Translate between OS and peripherals

What happens when device drivers become outdated or corrupted?

Peripherals may stop working properly

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