Computer Theory eBook in Hindi | All Topic Covered (Beltron, BSSC, Civil Court, SSC, Railway, etc)

Computer Theory eBook in Hindi | All Topic Covered (Beltron, BSSC, Civil Court, SSC, Railway, etc) eBook for All Competitive Examinations. Introduction of Computer, Computer Generations, Development, Memory, Operating System, Internet, MS Word, MS Excel, MS Power Point, DBMS, Hardware, Software, Keyboard ShortCuts, Functions Key, Input, Output, Browser, etc..