Electronics and Communication Engineering - Digital Electronics

31. 

A 4 bit counter with four flip-flops will count upto decimal

A. 8
B. 15
C. 31
D. 63

Answer: Option B

Explanation:

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32. 

Out of the following memory types, one that is volatile is

A. ferrite-core
B. semiconductor RAM
C. semiconductor ROM
D. magnetic disc

Answer: Option B

Explanation:

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33. 

A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is

A. 10101
B. 01.0101
C. 0404.04
D. 010.101

Answer: Option A

Explanation:

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34. 

The problem of logic race occurs in

A. SOP functions
B. POS functions
C. Hybrid function
D. SOP and POS functions

Answer: Option C

Explanation:

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35. 

A shift register can be used for all of the following EXCEPT

A. ring counter
B. A/D conversion
C. series to parallel conversion
D. generation of delay

Answer: Option B

Explanation:

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