题目内容

A multimedia system allows end users to share, transfer and process a variety of forms of information in a unified manner.

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The data warehouse is the data environment that can be used as the single integrated source of data for processing information.

A computer virus is a computer program that is created to make and spread copies of itself.

There is free firewall software available that can run on minimal hardware and provide a good level of protection to your network.

A WAN is a network that connects LANs and nodes across a wide geographical area.

A. 对
B. 错