Microprocessor-8086 MCQs Set-9

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  1. 1. In 8086 microprocessor one of the following statements is not true?
    • coprocessor is interfaced in max mode.
    • coprocessor is interfaced in min mode.
    • I /O can be interfaced in max / min mode.
    • supports pipelining
  2. 2. Address line for TRAP is?
    • 0023H
    • 0024H
    • 0033H
    • 0099H
  3. 3. Access time is faster for _________
    • ROM
    • SRAM
    • DRAM
    • ERAM
  4. 4. The First Microprocessor was__________
    • 8080
    • 8085
    • 4008
    • Intel 4004
  5. 5. Status register is also called as ___________
    • accumulator
    • stack
    • counter
    • flags
  6. 6. Which of the following is not a basic element within the microprocessor?
    • Microcontroller
    • Arithmetic logic unit (ALU)
    • Register array
    • Control unit
  7. 7. Which method bypasses the CPU for certain types of data transfer?
    • Software interrupts
    • Interrupt-driven I/O
    • Polled I/O
    • Direct memory access (DMA)
  8. 8. Which bus is bidirectional?
    • Address bus
    • Control bus
    • Data bus
    • None of the above
  9. 9. The first microprocessor had a(n)________
    • 1 – bit data bus
    • 2 – bit data bus
    • 4 – bit data bus
    • 8 – bit data bus
  10. 10. Which microprocessor has multiplexed data and address lines?
    • 8086
    • 80286
    • 80386
    • Pentium