Microcontroller Final Exam

The software used to program an arduino is called

• 
  Sketch

• IDE

• Tinkercad

• ADA

Duty cycle refers to 

• How long a square wave is "on"

• how much voltage is produced by a square wave

• what type of wave form is present at the output

• 
  How much current is produced by a square wave

The CPU of a microcontroller 

• Converts analog to digital

• 
  Contains program memory

• All of the above

• Executes instructions

The PWM output can be obtained from 

• 5

• 10

• 15

• 9

analogRead returns a 16 bit value to a variable

• True
• False

Each declaration or function must be followed by the characters "//"

• True
• False

An arduino sketch is programmed in which language

• 
  C++

• 
  python

• 
  C#

• 
  HTML

The loop function runs once

• True
• False

All microcontrollers must contain an operating system

• True
• False

A DAC converts a analog signal to digital

• True
• False