Microprocessor-8086 MCQs Set-9

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. Address line for TRAP is?
  • 0023H
  • 0024H
  • 0033H
  • 0099H
3. Access time is faster for _________
  • ROM
  • SRAM
  • DRAM
  • ERAM
4. The First Microprocessor was__________
  • 8080
  • 8085
  • 4008
  • Intel 4004
5. Status register is also called as ___________
  • accumulator
  • stack
  • counter
  • flags
6. Which of the following is not a basic element within the microprocessor?
  • Microcontroller
  • Arithmetic logic unit (ALU)
  • Register array
  • Control unit
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. Which bus is bidirectional?
  • Address bus
  • Control bus
  • Data bus
  • None of the above
9. The first microprocessor had a(n)________
  • 1 – bit data bus
  • 2 – bit data bus
  • 4 – bit data bus
  • 8 – bit data bus
10. Which microprocessor has multiplexed data and address lines?
  • 8086
  • 80286
  • 80386
  • Pentium