Digital Electronics - Digital Concepts

Exercise :: Digital Concepts - General Questions

11. 

Parallel format means that:

A. each digital signal has its own conductor.
B. several digital signals are sent on each conductor.
C. both binary and hexadecimal can be used.
D. no clock is needed.

Answer: Option A

Explanation:

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12. 

A decoder converts ________.

A. noncoded information into coded form
B. coded information into noncoded form
C. HIGHs to LOWs
D. LOWs to HIGHs

Answer: Option B

Explanation:

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13. 

A DAC changes ________.

A. an analog signal into digital data
B. digital data into an analog signal
C. digital data into an amplified signal
D. none of the above

Answer: Option B

Explanation:

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14. 

The output of a NOT gate is HIGH when ________.

A. the input is LOW
B. the input is HIGH
C. the input changes from LOW to HIGH
D. voltage is removed from the gate

Answer: Option A

Explanation:

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15. 

The output of an OR gate is LOW when ________.

A. all inputs are LOW
B. any input is LOW
C. any input is HIGH
D. all inputs are HIGH

Answer: Option A

Explanation:

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