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True or False
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1
During the last few decades digital methods of transmitting data have all but replaced the more conventional analog ones.
A)True
B)False
2
The term info refers to information to be communicated.
A)True
B)False
3
Groups of PCs in an office or company that are connected in order to share data and other resources are referred to as wide-area networks.
A)True
B)False
4
Analog signals, which are usually varying, are more immune to noise than digital signals.
A)True
B)False
5
With digital communication, transmission errors can usually be detected and even corrected.
A)True
B)False
6
With analog techniques, the bandwidth of a signal can be 2 or more times greater than it would be with digital methods.
A)True
B)False
7
In parallel data transfers, all the bits of a code word are transferred simultaneously.
A)True
B)False
8
A shift register is a sequential logic circuit made up of a number of flip-flops connected in parallel.
A)True
B)False
9
Delta modulation is a special form of digital-to-analog conversion that results in a continuous serial data signal being transmitted.
A)True
B)False
10
Translating an analog signal to a digital signal is called encoding.
A)True
B)False
11
An ADC’s dynamic range is a measure of the range of input voltages that can be converted.
A)True
B)False
12
A mod is any spurious or unwanted signal that may result from intermodulation distortion.
A)True
B)False
13
ENOB is the ratio of the signal amplitude to all the noise plus harmonic distortion in a circuit.
A)True
B)False
14
Pulse modulation is the process of changing a binary pulse signal to represent the information to be transmitted.
A)True
B)False
15
The most widely used technique for digitizing information signals for electronic data transmission is pulse-code modulation.
A)True
B)False





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