Introduction to Microcontroller MCQ

Test your knowledge with important Introduction to Microcontroller MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Introduction to Microcontroller MCQs at Bissoy

• Why microcontrollers are not called general purpose computers?
  ক

  because they have built in RAM and ROM

  খ

  because they design to perform dedicated task

  গ

  because they are cheap

  ঘ

  because they consume low power
• What is the most appropriate criterion for choosing the right microcontroller of our choice?
  ক

  speed

  খ

  availability

  গ

  ease with the product

  ঘ

  all of the mentioned
• What is the file extension that is loaded in a microcontroller for executing any instruction?
  ক

  .doc

  খ

  .c

  গ

  .txt

  ঘ

  .hex
• Give the names of the buses present in a controller for transferring data from one place to another?
  ক

  data bus, address bus

  খ

  data bus

  গ

  data bus, address bus, control bus

  ঘ

  address bus
• Abbreviate CISC and RISC.
  ক

  Complete Instruction Set Computer, Reduced Instruction Set Computer

  খ

  Complex Instruction Set Computer, Reduced Instruction Set Computer

  গ

  Complex Instruction Set Computer, Reliable Instruction Set Computer

  ঘ

  Complete Instruction Set Computer, Reliable Instruction Set Computer
• How are the performance and the computer capability affected by increasing its internal bus width?
  ক

  it increases and turns better

  খ

  it decreases

  গ

  remains the same

  ঘ

  internal bus width doesn’t affect the performance in any way
• If we say microcontroller is 8-bit then here 8-bit denotes size of:
  ক

  Data Bus

  খ

  ALU

  গ

  Control Bus

  ঘ

  Address Bus
• What is the order decided by a processor or the CPU of a controller to execute an instruction?
  ক

  decode,fetch,execute

  খ

  execute,fetch,decode

  গ

  fetch,execute,decode

  ঘ

  fetch,decode,execute
• Unlike microprocessors, microcontrollers make use of batteries because they have:
  ক

  high power dissipation

  খ

  low power consumption

  গ

  low voltage consumption

  ঘ

  low current consumption
• A microcontroller at-least should consist of:
  ক

  RAM, ROM, I/O ports and timers

  খ

  CPU, RAM, I/O ports and timers

  গ

  CPU, RAM, ROM, I/O ports and timers

  ঘ

  CPU, ROM, I/O ports and timers