The peripherals of the computer can be classified into two groups: ( ).
A. data Bus, cables
B. pointing device, output devices
C. input devices, output devices
D. control Bus, inner Bus
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Users can type in text and commands using the ( ), which is one of the most important input devices.
A. mouse
B. scanner
C. microphone
D. keyboard
The most useful pointing device is a ( ), which allows the user to point to elements on the screen.
A. digital camera
B. mouse
C. PC camera
D. keyboard
The characteristic of the LCD is ( ).
A. taking up a lot of space
B. taking up little space
C. displaying text and images with greater unclarity
D. A and C
( ) is the control and data processing center of the whole computer system.
A. Memory
B. Motherboard
CPU
D. Bus