000 00623nam a22001457a 4500
020 _a8131517519
082 _a004
100 _aGary B. Shelly
245 _aDiscovering Computers introductory your interactive guide to the digital world
260 _aAndover
_bCengage learning
_c2012
300 _a616p
942 _cBK
999 _c2734
_d2734