Electronics and Communication Engineering - Digital Electronics

6. 

A Schottky diode has

A. no minority carriers and very low voltage drop in forward direction
B. no minority carriers and very high voltage drop in forward direction
C. large number of minority carriers and very high voltage drop in forward direction
D. large number of minority carriers and very low voltage drop in forward direction

Answer: Option A

Explanation:

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7. 

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

A. (3320)16
B. (FE35)16
C. (FF50)16
D. (3520)l6

Answer: Option D

Explanation:

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8. 

Boolean algebra obeys

A. commutative law
B. associative law
C. distributive law
D. commutative, associative and distributive law

Answer: Option D

Explanation:

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9. 

The figure of merit for a logic family is

A. gain band width product
B. (propagation delay time) (power dissipation)
C. (fan out) (power dissipation)
D. (noise margin) (power dissipation)

Answer: Option B

Explanation:

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10. 

A universal register

A. accepts serial input
B. accepts Parallel input
C. gives serial and Parallel output
D. all of the above

Answer: Option D

Explanation:

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