Electronics and Communication Engineering - Digital Electronics

36. 

The inputs to a 4 channel MUX have the following bandwidths. Channel 1-50 Hz, channel 2-200 Hz. Channel 3-75 Hz. Channel 4-90 Hz. The theoretical minimum sampling rate of the MUX is

A. 200 Hz
B. 400 Hz
C. 415 Hz
D. 1600 Hz

Answer: Option D

Explanation:

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37. 

SSI is used in flip flops.

A. True
B. False

Answer: Option A

Explanation:

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38. 

Two numbers in excess-3 code are added and the result is less than 8. To get equivalent binary

A. 0011 is subtracted
B. 0011 is added
C. 0110 is subtracted
D. 0110 is added

Answer: Option C

Explanation:

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39. 

Flow charts that contain decision symbol

A. represent straight line programs
B. do not represent straight line programs
C. all of the above
D. none of the above

Answer: Option B

Explanation:

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40. 

The ASCII code is for information interchange by a binary code for

A. alphabet only
B. number only
C. alpha-numeric and other common symbols
D. none of these

Answer: Option C

Explanation:

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