Digital Electronics - Digital Signal Processing

Exercise :: Digital Signal Processing - Filling the Blanks

6. 

The principal advantage of the three-wire handshake on the GPIB is that it ________.

A. is faster than two-wire methods
B. allows fast and slow listeners on the same bus
C. can be used over very long distances
D. is compatible with the RS232C standard

Answer: Option B

Explanation:

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7. 

An ADC that uses an up/down counter (and other devices) to follow changes in the input analog signal is a ________.

A. single-slope ramp converter
B. dual-slope ramp converter
C. successive-approximation converter
D. tracking converter

Answer: Option D

Explanation:

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8. 

The number of data lines on the GPIB is ________.

A. 1
B. 4
C. 8
D. 16

Answer: Option C

Explanation:

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9. 

The resolution of a DAC can be expressed as the ________.

A. minimum output voltage
B. number of bits that are converted to an analog output
C. deviation of the output from a straight line
D. difference between the expected and actual outputs

Answer: Option B

Explanation:

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10. 

Assume that in a certain 4-bit weighted ladder DAC, the input representing the most significant bit is applied to a 20 k resistor. What is the size of the resistor that represents the least significant bit?

A. 2.5 k
B. 5 k
C. 80 k
D. 160 k

Answer: Option D

Explanation:

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