Macmillan dictionary of information technology /

by Longley, Dennis
Published 1987

Data & Computer Security : dictionary of standards consepts and terms

by Longley, Dennis
Published 1987

Understanding Microcomputers

by Longley, Dennis., Shain, Michael.
Published 1985

Data And Computer Security A Dictionary Of Terms And Concepts /

by Longley, Dennis., Shain, Michael.
Published 1989

Expanding and Networking Microcomputers Most Comprehensive Guide for Apple II and I. B. M.Personal Computers /

by Longley, Dennis., Shain, Michael.
Published 1985