TY  - BOOK
AU  - Mary,Sumner
TI  - Computers: concepts and uses 
SN  - 0131634461
PY  - 1988///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Computers
KW  - Electronic data processing
N1  - Includes index; Contents : The evolution of computers--Basic computer operations and the CPU--Input and output methods and devices
ER  -