题目内容

Whereas the decimal system is based on 10, the ( ) system is based on 2. There are only two digits in the latter system, 0 and 1.

A. bilateral
B. binary
C. byte
D. bit

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When power is removed, information in RAM is ( )

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

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

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