A set of programs that causes the Hardware to do some work…2 types of
Software
APPLICATION SOFTWARE SYSTEM SOFTWARE
1. APPLICATION SOFTWARE:
Application software solves special problems and does not directly interact
with Hard Ware. Are of 2 typesà
APP PACKAGES:
The general software in market developed by famous companies… e.g,
WORD PROCESSER>>> Wordstar, Word Perfect, MS Word, MS Work…
SPREADSHEET>>> Lotus, Excel…
DATABASE>>> Dbase, Fox Pro…
GRAPHICS>>> Instant Artist, Coral Draw…
GAMES>>> Dave, NFS,Vcop…
EDUCATIONAL>>> Peach Tree, Quick Book, MOB…
COSTOMIZED PACKAGES:
The Soft Ware developed according to the need of a special organization.
Expensive and take time to build…
2. SYSTEM SOFTWARE:
System Software directly interacts with Hardware…are of 2 types
OPERATING SYSTEM:
Controls the allocation and usage of Hardware resources and provide a
communication between user and Hardware. The main function is to Run the
program/request of user…
TRANSLATOR:
Translator translate the source program into object program, it have three
main types,
ASSEMBLER COMPILER INTERPRETOR
o ASSEMBLER:
They convert an Assembly language program into machine language…
o COMPILER:
They convert High language program into machine language and save the
object code for the future…
o INTERPRETER:
It converts High language program 1 by 1 into object code and does not save it…
TYPES OF SOFTWARE on basis of license:
v PROPERITY:
Cost to get license to use for WIN…
v FREEWARE:
Free to use but Copyrighted… e.g., IE
v PUBLIC DOMIN:
Free, Not Copyrighted…
v SHAREWARE:
Free to try for some days and then it will stop working unless registered… e.g., WINZIP…
v TRAILWARE:
Use for some time then it will destroy…
v OPEN SOURCE:
You are allowed to change the source of the soft ware… e.g., LINUX Os…