its best

3.  Softwarerepresentsthesetof programsthatgoverntheoperationsof a
computersystemandmakethehardwarerun.Therearetwotypesof
software:
 1)Systemsoftware
 2)Applicationsoftware

4.  Systemsoftwarereferstotheprogramsthatcontrolinternalcomputer
operationsandmakebestuseof thehardware.Therearefourtypesof
systemsoftware:
 1)Operatingsystem
 2)Languageprocessors
 3)Devicedrivers
 4)Utilitysoftware

5.  Anoperatingsystemis a programwhichacts as an interface
betweena userandthehardware.

6.  Computers do not understandany language other thenbinary
language. Therefore it becomes necessary to process a HHL program
and this job is done by language processors.

7.  A devicedriveris a specialprogramthatallowstheinteraction
witha specifichardwaredevice.

8.  Utilitysoftwarearethoseapplicationsprogramsthatassistthecomputerby
performinghouse-keepingfunctionslikebackingupdiskor scanning
virusesetc.

10. Generalpurposesoftware aredesignedina waythattheymaybeusedby
individualusersina mannerthatit suitstheirneedsandrequirements.

11.  Specialistsoftwarearedesignedto beusedforspecifictaskssuchas
companypayroll,stockcontrolsystems,appointmentsystems,e-commerce
sites, etc.

12. • Customizedsoftwareis tailor-madesoftwareaccordingto a user’s
requirements.Thistypeof softwareis developedto meetalltherequirements
specifiedbytheuser.