00391nam a22001457i 4500001001000000005001700010008004100027082001800068100001700086245004400103260004200147300001700189650002100206020001800227SXC01834220260819093637.0260101s1987    ii            000 0 eng d  a004 DIN-U222  aDinesh Kumar10aUnderstanding computers /cDinesh Kumar  abBPB Pubilications, New Delhi,c1987  ap. ;c22 cm. 0aComputer science  a9780314303837