000 00263nam a22001097a 4500
020 _a9781260570755
245 _aComputing essentials 2021
260 _aNew York
_bMcGraw Hill education
_c2021
300 _axxv,390p
_bill.;pbk
500 _aInclude index
942 _cBK
999 _c7637
_d7637