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Description
Flashcards by Lyssa Badger, updated more than 1 year ago
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Created by Lyssa Badger
over 9 years ago
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| Question | Answer |
| What are the functions of an operating System? | Memory Management User Interface Peripheral Management Multi-Tasking Security |
| What is meant by Memory Management? | The OS manages the transfer of data between the CPU, RAM and main storage (e.g. hard drive) |
| What is meant by User Interface? | The OS provides the user with a way of controlling the functions of the computer without resorting to machine code. It can be graphical (GUI), e.g. Windows or text-based [no mouse] (CLI – Command Line Interface), e.g. MSDOS |
| What is meant by Peripheral Management? | The OS manages the input and output devices connected to the computer, including things like keyboard, mice and printer. |
| What is meant by Multi-Tasking? | The OS allows more than one program to be run at once so users can switch back and forth between applications easily. |
| What is meant by Security? | The OS provides security features to restrict access to the system or particular files. |
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