SYLLABUS:-

UNIT-I 
Five Component Model of a Computer,  System and Application software ( introduction )  storage devices  , primary (RAM, ROM, PROM, EPROM, cache ) Memory and secondary (magnetic tape, hard disk, Compact disks) memory , peripheral devices ,  printers.

UNIT-II 
Operating Systems: DOS Internal, External commands, Windows ( 2000 and NT) , Overview of architecture of Windows, tools and system utilities including registry , partitioning of hard disk , Overview of Linux architecture , File system , file and permissions , concept of user and group , installation of rpm and deb based packages.

UNIT-III 
Basics of programming through flow chart , Networking Basics - Uses of a network  and Common types of networks , Network topologies and protocols , Network media  and  hardware  , Overview of Database Management System. 

UNIT-IV 
Libre / Open Office Writer : Editing and Reviewing, Drawing, Tables, Graphs, Templates Libre / Open Office Calc : Worksheet Management , Formulas, Functions, Charts Libre / Open Office Impress: designing powerful power-point presentation