00675cam a2200217 7i4500 0000028070 20230411090000.0 0789716720 9780789716729 621.3916 GRA TK7887 GRA 1999 Gralla, Preston author How to expand and upgrade PCs Preston Gralla. Indiana: QUE, 1999. 238 pages: illustrations color; 28 cm. text rdacontent unmediated rdamedia volume rdacarrier Microcomputer -- Maintenance and repair Microcomputer -- Equipment and supplies Microcomputer -- Upgrading