Tuesday, 10 September 2013

OPERATING SYSTEM

COMPUTER SYSTEM-OPERATING SYSTEM
DEFINITION: System software is a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources.

OPERATING SYSTEM FUNCTIONS:
  • Start and shut down a computer.
The process of starting or restarting a computer us called booting.
WARM BOOT** Using the operating system ti restart a computer.
COOL BOOT** Turning on a computer that has beeb powered off completely.
  • Provide user interface
A user interface controls how you entered data and instructions and how information is displayed on the screen.
-->>2 types of user interface
** Graphical user interface
** Command-line
  • Control a network
Some operating system are designed to work with a server in a network.
A server operating system orgenizes and coordinate how multiple users access and share resources on a network.

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