TY - BOOK AU - Shelly, Gary B. TI - Essential introduction to computers and how to purchase, install, and maintain a personal computers / Gary B. Shelly, Thomas J. Cashman, Jodi L. Groen SN - 0619200782 U1 - 004 SHE CY - Boston, Mass. : Cource Technology, c2003 KW - ComputeRed Sport. Computer software ER -