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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