A multimedia system must have the media processing ability which can be controlled by computer.
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A multimedia system can only be programmed by the system programmer.
A. 对
B. 错
Strictly speaking, as long as a variety of media are processed at the same time, it can be called multimedia.
A. 对
B. 错
已知负载Z=10∠30°,说明负载是感性负载
A. 对
B. 错
RLC串联电路中,当XL=XC时,阻抗角为0°,电路呈阻性
A. 对
B. 错
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