IT Topic4

Information Technology 03058002387



Wednesday, 12 February 2020

Operating System Functions And User Interface

Operating System Functions
Perform common computer hardware functions
Provide a user interface
Provide a degree of hardware independence
Manage system memory
Manage processing tasks
Provide networking capability
Control access to system resources
Manage files

User interface:
A function of the operating system that allows individuals to access and command the computer. 

Command-based user interface:
A particular user interface that requires text commands be given to the computer to perform basic activities
E.g., unix, DOS

Graphical user interface (GUI):
A user interface that uses pictures (icons) and menus displayed on the screen to send commands to the computer system

E.g. Windows, MAC OS

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