Discussion
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- Question
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
- Correct Answer
- 8-bit port number
- 1. 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
- 2. How many buses are connected as part of the 8085A microprocessor?
Options- A. 2
- B. 3
- C. 5
- D. 8 Discuss
- 3. 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
- 4. 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
- 5. What do we call the manipulation of an analog signal in a digital domain?
Options- A. Analog-to-digital conversion
- B. Digital-to-analog conversion
- C. Digital signal processing
- D. Signal filtering Discuss
- 6. 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 Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Microprocessor Fundamentals problems
Search Results
Correct Answer: address decoder
Correct Answer: 3
Correct Answer: all of the above
Correct Answer: all of the above
Correct Answer: Digital-to-analog conversion
Correct Answer: latch
Correct Answer: hardware
Correct Answer: I/O
Correct Answer: data bus
Correct Answer: accumulator
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