logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics Computers Comments

  • Question
  • Which of the following is not an arithmetic instruction?


  • Options
  • A. INC (increment)
  • B. CMP (compare)
  • C. DEC (decrement)
  • D. ROL (rotate left)

  • Correct Answer
  • ROL (rotate left) 


  • Computers problems


    Search Results


    • 1. 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
    • 2. Which is not part of the execution unit (EU)?

    • Options
    • A. Arithmetic logic unit (ALU)
    • B. Clock
    • C. General registers
    • D. Flags
    • Discuss
    • 3. The first Intel microprocessor to contain on-board cache memory was the ________.

    • Options
    • A. 80386
    • B. 80486
    • C. Pentium
    • D. Pentium Pro
    • Discuss
    • 4. 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
    • 5. 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
    • 6. Which is not an operand?

    • Options
    • A. Variable
    • B. Register
    • C. Memory location
    • D. Assembler
    • Discuss
    • 7. 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
    • 8. During a read operation the CPU fetches ________.

    • Options
    • A. a program instruction
    • B. another address
    • C. data itself
    • D. all of the above
    • Discuss
    • 9. The Pentium microprocessor has a data bus of ________.

    • Options
    • A. 16 bits
    • B. 32 bits
    • C. 64 bits
    • D. 128 bits
    • Discuss
    • 10. The Pentium can address ________.

    • Options
    • A. 1 MB
    • B. 1 GB
    • C. 2 GB
    • D. 4 GB
    • Discuss


    Comments

    There are no comments.

Enter a new Comment