Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 16
16. |
The recently-introduces CD-ROM PC by Head Start Technologies Co. of New York enables users to view or play __________ . |
A. |
vast amounts of text | B. |
graphics | C. |
music | D. |
all of the above |
Answer: Option D
Explanation:
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17. |
In 8085 microprocessor, what is the length of A-register? |
Answer: Option B
Explanation:
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18. |
How is inversion achieved using EX-OR gate? |
A. |
Giving input signal to the two input lines of the gate tied together | B. |
Giving input to one input line and logic one to the other line | C. |
Giving input to one input line and logic one to the other line | D. |
Inversion cannot be achieved using EX-OR gate |
Answer: Option C
Explanation:
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19. |
For the DAC in the given figure VO=
 |
Answer: Option A
Explanation:
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20. |
The difference between sequential and combinational circuits is |
A. |
Combinational circuits store bits | B. |
Combinational circuits have memory | C. |
Sequential circuits store bits | D. |
Sequential circuits have memory |
Answer: Option D
Explanation:
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