The operating system is part of the system
software. All computers have an operating system, they cannot function
without one.
The operating system is a program that allows
applications software to communicate with the hardware.
Examples of operating systems are Windows Vista, Windows
XP, Unix, Linux and MacOS.
An operating system has many tasks. Here are just a few
of them:
Sorting out where to store data on disk drives
Dealing with security - user names and passwords
Organising files and folders
Managing data transfer from the CPU to the peripherals
e.g. printer, monitor
Deals with saving, deleting, opening, closing files. Source:http://www.teach-ict.com/as_a2_ict_new/ocr/AS_G061/312_software_hardware/software/miniweb/pg3.htm
Common ICT software:
a. File Organiztion
b. Office Applications
c. Web Services
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