Electronics and Communication Engineering - Digital Electronics

11. 

Full adder circuit can be implemented by

A. Multiplexers
B. Half adders
C. AND or OR gates
D. Decoders

Answer: Option A

Explanation:

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12. 

(FE35)16 XOR (CB15)16 is equal to

A. (3320)16
B. (FE35)16
C. (FF50)16
D. (3520)16

Answer: Option D

Explanation:

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13. 

If 4 in binary system is 100 then 8 will be

A. 10
B. 100
C. 111
D. 1000

Answer: Option D

Explanation:

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14. 

In the given figure A = 1, B = 1. B is now changed to a sequence 101010................The outputs X and Y will be

A. fixed at 0 and 1 respectively
B. X = 1010.......and Y = 0101........
C. X = 1010..........and Y = 1010
D. fixed at 1 and 0 respectively.

Answer: Option A

Explanation:

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15. 

The ALU carrier out arithmetic and logic operations (OR AND, NOT, etc.) it processes

A. decimal numbers
B. binary numbers
C. hexadecimal numbers
D. octal numbers

Answer: Option B

Explanation:

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