Discussion
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- Question
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)
- Correct Answer
- Arithmetic logic unit (ALU)
- 1. Which bus is bidirectional?
Options- A. Address bus
- B. Control bus
- C. Data bus
- D. None of the above Discuss
- 2. The control bus and memories share a bidirectional bus in a typical microprocessor system.
Options- A. True
- B. False Discuss
- 3. How many bits are used in the data bus?
Options- A. 7
- B. 8
- C. 9
- D. 16 Discuss
- 4. 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
- 5. 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
- 6. Which of the following is not a computer bus?
Options- A. Data bus
- B. Control bus
- C. Timer bus
- D. Address bus Discuss
- 7. 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
- 8. Which of the following is not a jump instruction?
Options- A. JB (jump back)
- B. JA (jump above)
- C. JO (jump if overflow)
- D. JMP (unconditional jump) Discuss
- 9. DMA is particularly suited for data transfer between the ________.
Options- A. disk drive and CPU
- B. disk drive and RAM
- C. disk drive and ROM
- D. disk drive and I/O Discuss
- 10. Which of the following is not an 8086/8088 general-purpose register?
Options- A. Code segment (CS)
- B. Data segment (DS)
- C. Stack segment (SS)
- D. Address segment (AS) Discuss
Computers problems
Search Results
Correct Answer: Data bus
Correct Answer: False
Correct Answer: 8
Correct Answer: control bus
Correct Answer: Machine codes are in binary, mnemonic codes are in shorthand English.
Correct Answer: Timer bus
Correct Answer: Bus contention
Correct Answer: JB (jump back)
Correct Answer: disk drive and RAM
Correct Answer: Address segment (AS)
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