Operating System Flashcards Preview

Higher Computing Science > Operating System > Flashcards

Flashcards in Operating System Deck (8):
1

What is an operating system?

Set of instructions that control the running of the computer

2

What are functions of an operating system?

- file management
- memory management
- input/output management
- resource allocation
- error reporting
- interpreters user commands/HCI

3

What is file management?

- creating/deleting files
- organised and tracks files
- control access, editing and deletion

4

What is memory management?

- operating system allocates suitable storage location in computers memory
- loads programs into memory ensuring each program has the memory required to run

5

What is input/output management?

- controls all devices attached to the computer
- performs transfer of data between peripherals and memory
- communicates with processor and peripherals

6

What is resource allocation?

- allocated programs, their required memory and CPU time
- ensures processor is kept constantly busy
- only one task can be carried out at any one time by a single processor

7

What is error reporting?

The operating system lets the user know if any mistakes have occurred

8

What is interpreters user commands/ HCI?

- takin instructions/commands from the user
- checks them
- send to the correct part of the OS to be carried out
- the OS provides the means of the user communicating with the computer system
- HCI, CUI & WIMP