621.38195 Gra P Graham , John The Penguin book of personal computing. / John Graham .-- / 1ed. / . -- Harmondsworth ; Eng. : Penguin Books , 1984. 304 p. : ilus. ; 21 cm. -- ( A Penguin Handhook. Computing) " Appendix 1. Bibliography " : p. / 271/ - 272 " Appendix 5. Glossary " : p. 294 / - 300 ISBN 0 14 046 . 570 7