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Digital Electronics - Digital Signal Processing

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Exercise

"Loneliness is the most terrible poverty."
- Mother Teresa
1. 

In a flash analog-to-digital converter, the output of each comparator is connected to an input of a ________.

A. decoder
B. priority encoder
C. multiplexer
D. demultiplexer

2. 

Which term applies to the maintaining of a given signal level until the next sampling?

A. Holding
B. Aliasing
C. Shannon frequency sampling
D. "Stair-stepping"

3. 

An op-amp has very ________.

A. high voltage gain
B. high input impedance
C. low output impedance
D. all of the above

4. 

For a 4-bit DAC, the least significant bit (LSB) is ________.

A. 6.25% of full scale
B. 0.625% of full scale
C. 12% of full scale
D. 1.2% of full scale

5. 

The dual-slope analog-to-digital converter finds extensive use in ________.

A. digital voltmeters
B. function generators
C. frequency counters
D. all of the above




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