Microcontroller Input/Output Ports Quiz
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Questions and Answers

Which of the following is true about microcontroller input/output ports?

  • They are used for data input only
  • They are used for data output only
  • They are not necessary for microcontroller operation
  • They can be used for both data input and output (correct)
  • What is the purpose of microcontroller input/output ports?

  • To interface with external devices (correct)
  • To store data
  • To control the microcontroller clock speed
  • To perform calculations
  • Can microcontroller input/output ports be used for both digital and analog signals?

  • Yes, only analog signals
  • No, only analog signals
  • Yes, only digital signals (correct)
  • No, only digital signals
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