The beginner's guide to computers / Robin Bradbeer, Peter De Bono, Peter Laurie. Bradbeer, Robin. De Bono, Peter. jt. aut. Laurie, Peter, 1937- jt. aut. Electronic digital computers. QA76.5 .B676 1982 001.64 19 BRB "Additional material and editing by Susan Curran, David Allen, BBC." Includes index. Reading, Mass. : Addison-Wesley, c1982. c1982. 1982 Text 208 p. : eng