Embedded Systems MCQ Questions and Answers Quiz

111. Which of the following supports seven interrupt priority level?

  1. kernel
  2. operating system
  3. VMEbus
  4. data bus

112. Which of the following technique is used by the UNIX operating system?

  1. logical address memory
  2. physical address memory
  3. virtual memory technique
  4. translational address

113. Which of the following uses its own address space?

  1. thread
  2. process
  3. task
  4. kernel

114. Which of the following works by dividing the processors time?

  1. single task operating system
  2. multitask operating system
  3. kernel
  4. applications

115. Which of the processor has an internal coprocessor?

  1. 8087
  2. 80287
  3. 80387
  4. 80486DX

116. Which of the signal can control bus arbitration logic in 8250?

  1. MR
  2. DDIS
  3. INTR
  4. RCLK

117. Which of the signal is set to one, if no data is transmitted?

  1. READY
  2. START
  3. STOP
  4. TXD

118. Which one is the floating point coprocessor of 80286?

  1. 8087
  2. 80187
  3. 80287
  4. 80387

119. Which signal is used to select the slave in the serial peripheral interfacing?

  1. slave select
  2. master select
  3. interrupt
  4. clock signal

120. Which term is used to encompass more than a simple context switch?

  1. process
  2. single thread system
  3. thread
  4. multithread
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