题目内容

When power is removed, information in RAM is ( )

A. reliable
B. lost
C. stable
D. remained

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One megabyte equals approximately ( )

A. 1,000,000 bytes
B. 1024 bytes
C. 65,535 bytes
D. 10,000 bytes

( ) shares the feature that they are limited in range: typically they cover one building.

A. WAN
B. MAN
C. LAN
D. Internet

The fourth generation computers, such as microcomputers, introduced in 1970s, were based on ( ).

A. transistors
B. vacuum tubes
C. IC
D. VLSI

During ( ), the implemented system is tested to see that it meets the specified requirements.

A. analyse
B. requirement
C. design
D. testing