Computer Software

Rita Ester

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What is a Computer ?

Electronic device Executes the instructions

of a computer program stored in it‘s own memory

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Computer Program

Tells your computer what to do stored as a file in bits and bytes, Software = Computer Programs

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Software

System Software Application Software

COMPUTER HARDWARE

OPERATING SYSTEM

APPLICATION SOFTWARE

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System Software

Programs that helps managing the computer system,

helps maintaining the computer system,

Examples: Operating System, Disk Defragmenter,Disk Cleanup.

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Operating System

Program thatallows the user to communicate with the

computer,

manages input and output devices of a computer system

manages all programs in a computer,

…

Examples: Windows XP, Linux.

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Application Software

Program for a specific task likeText processing,

E-Mail,

Games

Example: MS Word.