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:
|
| 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:
|
| 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:
|
| 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:
|
| 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:
|
