Supporting Windows 7 addendum to A+ guide to managing and maintaining your PC, seventh edition, and A+ guide to software, fifth edition / Jean Andrews. Published/Created Andrews, Jean, 1946- 1474 QA76.3 .A564 2011 QA76.3 .A564 2011 USA Boston, MA : Course Technology, Cengage Learning 2011 2011 Text x, 163 p eng