TY  - GEN
TI  - The digital computer: computer hardware devices and subsystems 
SN  - 0335027520
U1  - 004.16,OPE 
PY  - 1975///
CY  - Walton
PB  - the Open University
N1  - Introduction (Page-9), Primitive Devices (Page-10), Communication Devices And Subsystems (Page-16), Storage Devices And Subsystems (Page-23), Processing Devices And Subsystems (Page-31), Controlling The Major Subsystems (Page-37)
ER  -