If a collision occurs when using CSMA/CD, a jamming signal is sent immediately to both sending nodes, which then wait ____ before trying again.
A. one millisecond
B. one second
C. one minute
D. a random period
Answer: D
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At the heart of a computer is its central processing unit (CPU). Its job is to
A) fetch instructions. B) carry out the operations commanded by the instructions. C) produce some result. D) do all of the above. E) do none of the above.
Which of the following shows energy as a function of frequency at the time the signal is being transmitted?
A. waterfall view B. waveform view C. realtime view D. traditional view
Which of the following cannot be included on a form?
A) Sub report B) Check box C) Drop-down list D) Button
Making your own MIDI files requires:
a. knowledge of tempos, clefs, notations, keys. b. familiarity with musical instruments. c. an understanding of how music is sequenced, scored, and published. d. a MIDI synthesizer or device connected to your computer. e. all of the above.