TY - BOOK AU - Sinclair,Ian Robertson TI - The PC user’s companion SN - 9780434918546 PY - 1990/// CY - London PB - Heinemann Newtech KW - Personal computers KW - Handbooks, manuals, etc KW - Hardware KW - Software KW - Personal computers (Electronic computers) KW - Handbooks and manuals N1 - Includes index ER -