题目内容

Unix is a ( ) operating system with a command-line interface.

A. multi-user, single-tasking
B. single-user, single-tasking
C. multi-user, multi-tasking
D. single-user, multi-tasking

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After I finished the last paragraph, I moved the ( ) back to the third paragraph and deleted a sentence.

A. icon
B. mouse
C. joystick
D. cursor

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

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