Discussion
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- Question
How many bits are used in the data bus?
Options- A. 7
- B. 8
- C. 9
- D. 16
- Correct Answer
- 8
- 1. Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
Options- A. data bus
- B. control bus
- C. address bus
- D. address decoder bus Discuss
- 2. What is the difference between a mnemonic code and machine code?
Options- A. There is no difference.
- B. Machine codes are in binary, mnemonic codes are in shorthand English.
- C. Machine codes are in shorthand English, mnemonic codes are in binary. Discuss
- 3. Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.
Options- A. hexadecimal machine code
- B. binary machine code
- C. assembly language
- D. all of the above Discuss
- 4. The 8085A is a(n):
Options- A. 16-bit parallel CPU
- B. 8-bit serial CPU
- C. 8-bit parallel CPU
- D. none of the above Discuss
- 5. When referring to instruction words, a mnemonic is:
Options- A. a short abbreviation for the operand address
- B. a short abbreviation for the operation to be performed
- C. a short abbreviation for the data word stored at the operand address
- D. shorthand for machine language Discuss
- 6. The control bus and memories share a bidirectional bus in a typical microprocessor system.
Options- A. True
- B. False Discuss
- 7. Which bus is bidirectional?
Options- A. Address bus
- B. Control bus
- C. Data bus
- D. None of the above Discuss
- 8. Which of the following was not a design improvement for the 8086/8088 over the 8085?
Options- A. Execution unit (EU)
- B. 16-bit data bus
- C. Arithmetic logic unit (ALU)
- D. Bus interface unit (BIU) Discuss
- 9. Which of the following is not a computer bus?
Options- A. Data bus
- B. Control bus
- C. Timer bus
- D. Address bus Discuss
- 10. What is occurring when two or more sources of data attempt to use the same bus?
Options- A. Bus contention
- B. Direct memory access
- C. Bus interruption
- D. PPI Discuss
Microprocessor Fundamentals problems
Search Results
Correct Answer: control bus
Correct Answer: Machine codes are in binary, mnemonic codes are in shorthand English.
Correct Answer: binary machine code
Correct Answer: 8-bit parallel CPU
Correct Answer: a short abbreviation for the operation to be performed
Correct Answer: False
Correct Answer: Data bus
Correct Answer: Arithmetic logic unit (ALU)
Correct Answer: Timer bus
Correct Answer: Bus contention
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