Discussion
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- Question
When was the first 8-bit microprocessor introduced?
Options- A. 1969
- B. 1974
- C. 1979
- D. 1985
- Correct Answer
- 1974
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. The technique of assigning a memory address to each I/O device in the computer system is called:
Options- A. memory-mapped I/O
- B. ported I/O
- C. dedicated I/O
- D. wired I/O Discuss
- 7. All computer programs for a machine are called:
Options- A. software
- B. firmware
- C. hardware
- D. none of the above Discuss
- 8. What type of circuit is used at the interface point of an input port?
Options- A. decoder
- B. latch
- C. tristate buffer
- D. none of the above Discuss
- 9. The circuits in the 8085A that provide the arithmetic and logic functions are called the:
Options- A. CPU
- B. ALU
- C. I/O
- D. none of the above Discuss
- 10. 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:
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
Microprocessor Fundamentals problems
Search Results
Correct Answer: accumulator
Correct Answer: data bus
Correct Answer: I/O
Correct Answer: hardware
Correct Answer: latch
Correct Answer: memory-mapped I/O
Correct Answer: software
Correct Answer: tristate buffer
Correct Answer: ALU
Correct Answer: program counter
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