Digital Electronics - Microprocessor Fundamentals
Exercise :: Microprocessor Fundamentals - General Questions
| 11. |
When was the first 8-bit microprocessor introduced? |
Answer: Option B
Explanation:
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| 12. |
What type of circuit is used at the interface point of an output port? |
| A. |
decoder | | B. |
latch | | C. |
tristate buffer | | D. |
none of the above |
Answer: Option B
Explanation:
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| 13. |
I/O mapped systems identify their input/output devices by giving them a(n) ________. |
| A. |
8-bit port number | | B. |
16-bit port number | | C. |
8-bit buffer number | | D. |
8-bit instruction |
Answer: Option A
Explanation:
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| 14. |
What type of circuit is used at the interface point of an input port? |
| A. |
decoder | | B. |
latch | | C. |
tristate buffer | | D. |
none of the above |
Answer: Option C
Explanation:
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| 15. |
The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the: |
| A. |
stack pointer | | B. |
program counter | | C. |
instruction pointer | | D. |
accumulator |
Answer: Option B
Explanation:
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