Digital Electronics - Signals and Switches

Exercise :: Signals and Switches - General Questions

6. 

Why is parallel data transmission preferred over serial data transmission for most applications?

A. It is much slower.
B. It is cheaper.
C. More people use it.
D. It is much faster.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

7. 

Determine if diodes D1 and D2 in the given figure are forward or reverse biased.

A. D1 forward and D2 reverse
B. D2 forward and D1 reverse
C. D1 and D2 reverse
D. D1 and D2 forward

Answer: Option A

Explanation:

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8. 

With surface-mount technology (SMT), the devices should:

A. utilize transistor outline connections
B. mount directly
C. have parallel connecting pins
D. require holes and pads

Answer: Option B

Explanation:

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9. 

To forward bias a diode, a ________ potential is needed on the ________ and a ________ is needed on the ________.

A. negative, cathode, positive, anode
B. negative, anode, positive, cathode

Answer: Option A

Explanation:

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10. 

Why, in most applications, are transistor switches used in place of relays?

A. They consume less power.
B. They are faster.
C. They are quieter and smaller.
D. all of the above

Answer: Option D

Explanation:

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