000 00287cam a2200121ua 4500
082 1 4 _a004
_bNOR/I
100 1 _aNorton, Peter .
245 1 0 _aIntroduction to computers /
260 _aNew Delhi :
_bTata Mc Graw Hill ,
_c2001.
300 _a239p ;
650 0 _aComputers
942 _cBK
999 _c69651
_d69651