【单选题】 CPU registers should have( )speed memory.
A. high
B. medium
C. low
D. any of the above
查看答案
【单选题】 Main memory in a computer usually consists of large amounts of ( )speed memory.
A. high
B. medium
C. low
D. any of the above
【单选题】 The( )is a nonstorage I/O device.
A. keyboard
B. monitor
C. printer
D. all of the above
【单选题】 A( ) is an optical storage device.
A. CD-ROM
B. CD-R
CD-RW
D. all of the above
【单选题】 A( ) bus connects the CPU and memory.
A. data
B. address
C. control
D. all of the above