Chapter1

1.The computer has experienced 4 generations, which are ( ).
A. Transistors, SMI, Laser device, Optical medium
B. Vacuum Tubes, Transistors, SSI/MSI circuit, Laser device
C. Vacuum Tubes, Digital tube, SSI/MSI circuit, Laser device
D. Vacuum Tubes, Transistors, SSI/MSI circuit, LSI/VLSI circuit

2.The components of CPU do not include ( ).
A. Arithmetic unit
B. memory
C. register
D. controller

3.CPU can process information of external memory directly. ( )