Operating Systems

Kwame Oteng-Adusei
Flashcards by Kwame Oteng-Adusei, updated more than 1 year ago
Kwame Oteng-Adusei
Created by Kwame Oteng-Adusei about 4 years ago
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GCSE Computing (Software) Flashcards on Operating Systems, created by Kwame Oteng-Adusei on 02/07/2016.
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Question Answer
User Interface OS provides a link between the user and computer Graphical User Interface - menus, icons, windows Command Line Interface - user types in commands
Memory Management Manages amount of memory used by each application Without OS, applications wouldn't run, as not enough space
Peripheral Management Co-ordinates the basic output and input systems Device Driver Software allows hardware to be used by OS
Multi-Tasking OS allocates each program a slice of the CPU's time Also determines priority in which programs should use CPU Enables several programs to run on computer at once
Security Prevents unauthorised access through usernames, passwords Protects files from being read or written by other users
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