000 00346cam a2200145ua 4500
020 _a0-07-053142-0
082 1 4 _a004
_bNOR/I
100 1 _aNorton, Peter .
245 1 0 _aIntroduction to computers /
250 _a5th /
260 _aNew Delhi :
_bTata Mc Graw Hill ,
_c2004.
300 _aNULL ;
650 0 _aComputer Science
942 _cBK
999 _c69653
_d69653