TY  - BOOK
AU  - Shelly,Gary B.
AU  - Thomas J. Cashman
AU  - James S. Quasney
TI  - Essential computer concepts
SN  - 0-87835-456-5
AV  - QA76.5.S458 
PY  - 1990///
CY  - Boston
PB  - Boyd & Fraser Publishing Company
KW  - Electroni digital computer
N1  - Includes index
ER  -