题目内容

The most important system software program is the .

A. word processor
B. DBMS
C. operating system
D. application software

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A(An) network is a type of network that is in the public domain.

A. smaller
B. open
C. bigger
D. close

Besides the traditional TV, radio, newspaper and magazine, modern should also include the internet.

A. objects
B. media
C. program
D. net

A private cloud is built within the domain of .

A. hyperlink
B. interlink
C. intranet
D. internet

When power is removed, information in the RAM is .

A. reliable
B. remain
C. manipulated
D. lost