AVR Microcontroller System Design Quiz

What is the primary function of an oscillator in an AVR minimum system?

• To store program code

• To manage interrupts

• To generate a clock signal

• To provide power supply

What voltage range is typically required for most AVR microcontrollers?

• 1.8V to 5.5V

• 3V to 6V

• 0.5V to 1.5V

• 5V to 12V

Which type of memory in an AVR microcontroller is non-volatile?

• Both Flash and EEPROM

• EEPROM

• Flash Memory

• SRAM

What is the purpose of the watchdog reset in an AVR microcontroller?

• To restart the system if it becomes unresponsive

• To manage external interrupts

• To reset the system on power failure

• To initialize the microcontroller

Which type of interrupt is triggered by a change in a digital signal?

• Watchdog Interrupt

• Software Interrupt

• Pin Change Interrupt

• Timer Interrupt

What does the power supply for an AVR microcontroller do?

• Manages external peripherals

• Stores program data

• Converts and stabilizes input voltage

• Generates clock signals

Which AVR microcontroller typically uses UART for serial communication?

• ATmega16

• ATmega328

• ATtiny85

• ATmega32

What happens when the RESET pin of an AVR microcontroller is pulled LOW?

• The microcontroller resets and restarts execution

• The microcontroller executes the next instruction

• The microcontroller disables all interrupts

• The microcontroller enters sleep mode

Which type of memory is used for temporary storage during program execution?

• ROM

• SRAM

• EEPROM

• Flash Memory

What is the typical operating voltage for AVR microcontrollers?

• 1.2V

• 12V

• 3.3V

• 5V