000 00316nam a2200133Ia 4500
008 210901s1997 xx 000 0 eng d
082 _a005 COM
100 _aComdex
245 0 _aMs-dos 602 simplifies
260 _aNew Delhi
_bPustak Mahal
_c1997
300 _a121
650 _aComputer science
942 _2ddc
_cBK
999 _c22470
_d22470