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CHAPTER 2 PART 2
OPERATING SYSTEM SOFTWARE
includes all of the program…
CHAPTER 2 PART 2
OPERATING SYSTEM SOFTWARE
- includes all of the program needed
- to keep computer and its peripheral devices running smoothly
OPERATING SYSTEM
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MANAGING PROGRAMS
- single/multi tasking
- accomplished by : foreground/background applications
-
*HANDLING INPUT/OUTPUT
- INPUT/OUTPUT generate interrupts/signals
PROVIDING THE USER INTERFACE
- start applications program
- manage disks and files
- shutdown the computer safely
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APPLICATION SOFTWARE
- enable user to be productive when using computer
GENERAL PURPOSE APPLICATIONS
- to accomplish frequently performed tasks :
- personal productivity
- internet
- multimedia/graphics
- home/education
SYSTEM REQUIREMENTS
- minimum level of equipment to run program
-
COMMERCIAL SOFTWARE, SHAREWARE,FREEWARE & PUBLIC
- can not be copied/altered/used on more than 1 computer
-
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FREEWARE
- free but cant be copied/sold