Discussion
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- Question
What type of circuit is used at the interface point of an output port?
Options- A. decoder
- B. latch
- C. tristate buffer
- D. none of the above
- Correct Answer
- latch
- 1. I/O mapped systems identify their input/output devices by giving them a(n) ________.
Options- A. 8-bit port number
- B. 16-bit port number
- C. 8-bit buffer number
- D. 8-bit instruction Discuss
- 2. The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.
Options- A. control bus
- B. control instructions
- C. address decoder
- D. CPU Discuss
- 3. How many buses are connected as part of the 8085A microprocessor?
Options- A. 2
- B. 3
- C. 5
- D. 8 Discuss
- 4. In troubleshooting a DAC, we check its performance characteristics, such as ________.
Options- A. nonmonotonicity
- B. differential nonlinearity
- C. low and high gain
- D. all of the above Discuss
- 5. The dual-slope analog-to-digital converter finds extensive use in ________.
Options- A. digital voltmeters
- B. function generators
- C. frequency counters
- D. all of the above Discuss
- 6. The items that you can physically touch in a computer system are called:
Options- A. software
- B. firmware
- C. hardware
- D. none of the above Discuss
- 7. The devices that provide the means for a computer to communicate with the user or other computers are referred to as:
Options- A. CPU
- B. ALU
- C. I/O
- D. none of the above Discuss
- 8. Which bus is a bidirectional bus?
Options- A. address bus
- B. data bus
- C. address bus and data bus
- D. none of the above Discuss
- 9. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the:
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
- 10. When was the first 8-bit microprocessor introduced?
Options- A. 1969
- B. 1974
- C. 1979
- D. 1985 Discuss
Microprocessor Fundamentals problems
Search Results
Correct Answer: 8-bit port number
Correct Answer: address decoder
Correct Answer: 3
Correct Answer: all of the above
Correct Answer: all of the above
Correct Answer: hardware
Correct Answer: I/O
Correct Answer: data bus
Correct Answer: accumulator
Correct Answer: 1974
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