000 00300cam a2200133ua 4500
082 _a004
_bNOR/P
100 _aNorton, Peter
245 1 0 _aIntroduction to computers
250 _a2nd ed. 7th
260 _aNew Delhi
_bTMH
_c2011.\
300 _axxxi, 555p.
650 0 _aComputer science
942 _cBK
999 _c9234
_d9234