TY  - BOOK
AU  - CONSTABLE,George
TI  - Input / Output: : Understanding Computers
SN  - 0-8094-5666-4
U1  - 005.03 
PY  - 1986///
CY  - Virginia
PB  - Time-Life Books
KW  - 0
KW  - Grade 7-9
ER  -