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Question
With __________ codes, data are processed in chunks of m bits, called symbols.A) FEC
B) systematic
C) Reed-Solomon
D) all of the above
Answer
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A means of transmitting analog signals without regard to their content is ________ transmission.
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A) Voice
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A) digital
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A) multipoint
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An analog signal can be transmitted only a limited distance before attenuation, noise, and other impairments endanger the integrityof the data.
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A) parallel
B) asynchronous
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Q:
A ________ error can occur in the presence of white noise when a slight random deterioration of the signal to noise ratio is sufficient to confuse the receiver's decision of a single bit.
A) burst
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Q:
________ is one of the most fundamental requirements in the transmission of a stream of bits from one device to another.
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Q:
The ratio of data bits to total bits is called the code rate .
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In ________ the phase of the carrier signal is shifted to represent data.
A) MFSK
B) ASK
C) FSK
D) PSK
Q:
Because of their simplicity and relatively low frequency response characteristics, ________ codes are commonly used for digital magnetic recording.
A) NRZ
B) AMI
C) VSES
D) B8ZS