Discussion
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- Question
Which is not part of the execution unit (EU)?
Options- A. Arithmetic logic unit (ALU)
- B. Clock
- C. General registers
- D. Flags
- Correct Answer
- Clock
- 1. The first Intel microprocessor to contain on-board cache memory was the ________.
Options- A. 80386
- B. 80486
- C. Pentium
- D. Pentium Pro Discuss
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. Which of the following is not a basic element within the microprocessor?
Options- A. Microcontroller
- B. Arithmetic logic unit (ALU)
- C. Register array
- D. Control unit Discuss
- 7. Which of the following is not an arithmetic instruction?
Options- A. INC (increment)
- B. CMP (compare)
- C. DEC (decrement)
- D. ROL (rotate left) Discuss
- 8. Which is not an operand?
Options- A. Variable
- B. Register
- C. Memory location
- D. Assembler Discuss
- 9. Which method bypasses the CPU for certain types of data transfer?
Options- A. Software interrupts
- B. Interrupt-driven I/O
- C. Polled I/O
- D. Direct memory access (DMA) Discuss
- 10. During a read operation the CPU fetches ________.
Options- A. a program instruction
- B. another address
- C. data itself
- D. all of the above Discuss
Computers problems
Search Results
Correct Answer: 80486
Correct Answer: Address segment (AS)
Correct Answer: disk drive and RAM
Correct Answer: JB (jump back)
Correct Answer: Bus contention
Correct Answer: Microcontroller
Correct Answer: ROL (rotate left)
Correct Answer: Assembler
Correct Answer: Direct memory access (DMA)
Correct Answer: all of the above
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