000 00284nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aD K goyal
245 _aquestions & answers on computers
260 _bDelhi:BPS
_c1994
300 _a426p.
650 _aComputer
999 _c2166
_d2166