000			00571nam a2200193Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9790070435659 _c(hbk)
082			_223 _a621.392 _bRAV
100			_aRavichandran, D.
245		0	_aIntroduction to computers and communications
260			_aNew Delhi: _bTata McGraw-Hill, _c2001
300			_a584 p.; _bill.: _c24 cm.
650			_aAnatomy of Computer
650			_aCommunications
650			_aComputers and Communications
650			_aNumber Systems and Codes
650			_aOperating Systems
942			_2ddc _cBK
999			_c24958 _d24958