TY  - ADVS
TI  - Computer hardware: what it is and how it works 
PY  - 1982///
CY  - New York, Kuala Lumpur
PB  - The Center for Humanities Inc. [production company], Visualtec [distributor]
KW  - Computer input-output equipment
N2  - Examines each step in a computer's operation from input through information stroge and processing, to output. Describes typical microcomputers, common sensing devices used at supermarkets, census bureaus, banks and untility companies
ER  -