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  • Question
  • The process of jointly establishing communication is called ________.


  • Options
  • A. DMA
  • B. bidirectional addressing
  • C. multiplexing
  • D. handshaking

  • Correct Answer
  • handshaking 


  • Computers problems


    Search Results


    • 1. A port can be ________.

    • Options
    • A. strictly for input
    • B. strictly for output
    • C. bidirectional
    • D. all of the above
    • Discuss
    • 2. The Pentium can address ________.

    • Options
    • A. 1 MB
    • B. 1 GB
    • C. 2 GB
    • D. 4 GB
    • Discuss
    • 3. The Pentium microprocessor has a data bus of ________.

    • Options
    • A. 16 bits
    • B. 32 bits
    • C. 64 bits
    • D. 128 bits
    • Discuss
    • 4. During a read operation the CPU fetches ________.

    • Options
    • A. a program instruction
    • B. another address
    • C. data itself
    • D. all of the above
    • Discuss
    • 5. 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
    • 6. With interrupt-driven I/O, if two or more devices request service at the same time, ________.

    • Options
    • A. the device closest to the CPU gets priority
    • B. the device that is fastest gets priority
    • C. the device assigned the highest priority is serviced first
    • D. the system is likely to crash
    • Discuss
    • 7. The first microprocessor had a(n)________.

    • Options
    • A. 1-bit data bus
    • B. 2-bit data bus
    • C. 4-bit data bus
    • D. 8-bit data bus
    • Discuss
    • 8. Which of the following is not an enhancement to the Pentium that was unavailable in the 8086/8088?

    • Options
    • A. "Pipelined" architecture
    • B. Expansion of cache memory
    • C. Inclusion of an internal math coprocessor
    • D. Data/address line multiplexing
    • Discuss
    • 9. Which of the following is not a computer functional block?

    • Options
    • A. Analog-to-digital converter
    • B. Central-processing unit
    • C. Memory
    • D. Input/output ports
    • Discuss
    • 10. A 20-bit address bus can locate ________.

    • Options
    • A. 1,048,576 locations
    • B. 2,097,152 locations
    • C. 4,194,304 locations
    • D. 8,388,608 locations
    • Discuss


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