000 00268nam a2200109Ia 4500
008 220201s2018 xx 000 0 eng d
100 _aPatt, Yale N.
245 0 _aIntroduction to Computing System
260 _aNew Delhi
_bMc Graw
_c2018
300 _a632
942 _2ddc
999 _c66337
_d66337