00421nam a2200145Ia 4500003000900000008004100009020001800050040001600068080001500084100001700099245010000116260003100216300001400247650001400261IN-BaIIA211028s9999    xx            000 0 eng d  a81-265-0004-2  cIIA Library  a681.3bPRE  aPress, Barry 0aTeach yourself all about computerscBarry Press                                                  aNew DelhibIDG Booksc1999  axvi, 376p  aComputers