Thursday, January 5, 2017

WEEK 2-3 COMPUTER SYSTEM SOFTWARE


OPERATING SYSTEM CONCEPT

Operating System is a software, which makes a computer to actually work.
It is the software the enables all the programs we use 
Examples: Windows, Linux, Unix and Mac OS, etc.
 
UTILITY SOFTWARE

Anti-virus utilities scan for computer viruses. 

Archivers output a stream or a single file when 
provided with a directory or a set of files.
Archive suites may include compression and
encryption capabilities. 
Some archive utilities have a separate un-archive 
utility for the reverse operation.
 
TYPES OF OPERATING SYSTEM 

Open source: Ubuntu,linux
Closed source: Windows,Mac Os
Utility Programs
 

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