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- Question
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)
- Correct Answer
- Direct memory access (DMA)
- 1. Which is not an operand?
Options- A. Variable
- B. Register
- C. Memory location
- D. Assembler Discuss
- 2. Which of the following is not an arithmetic instruction?
Options- A. INC (increment)
- B. CMP (compare)
- C. DEC (decrement)
- D. ROL (rotate left) Discuss
- 3. 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
- 4. Which is not part of the execution unit (EU)?
Options- A. Arithmetic logic unit (ALU)
- B. Clock
- C. General registers
- D. Flags Discuss
- 5. The first Intel microprocessor to contain on-board cache memory was the ________.
Options- A. 80386
- B. 80486
- C. Pentium
- D. Pentium Pro Discuss
- 6. During a read operation the CPU fetches ________.
Options- A. a program instruction
- B. another address
- C. data itself
- D. all of the above Discuss
- 7. The Pentium microprocessor has a data bus of ________.
Options- A. 16 bits
- B. 32 bits
- C. 64 bits
- D. 128 bits Discuss
- 8. The Pentium can address ________.
Options- A. 1 MB
- B. 1 GB
- C. 2 GB
- D. 4 GB Discuss
- 9. A port can be ________.
Options- A. strictly for input
- B. strictly for output
- C. bidirectional
- D. all of the above Discuss
- 10. The process of jointly establishing communication is called ________.
Options- A. DMA
- B. bidirectional addressing
- C. multiplexing
- D. handshaking Discuss
Computers problems
Search Results
Correct Answer: Assembler
Correct Answer: ROL (rotate left)
Correct Answer: Microcontroller
Correct Answer: Clock
Correct Answer: 80486
Correct Answer: all of the above
Correct Answer: 64 bits
Correct Answer: 4 GB
Correct Answer: all of the above
Correct Answer: handshaking
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