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
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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
When the computer is turned off, any information in ( ) will be lost.
A. RAM
B. ROM
C. storage
D. memory
( ) is the most popular Bus to be used on a motherboard.
Address Bus
B. Data Bus
Control Bus
D. PCI Bus
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