Microcontroller Basics Quiz

What is a microcontroller unit (MCU)?

• A full computer with an operating system

• A programmable chip with CPU, memory, and I/O ports

• A storage device

• A graphics processor

What does GPIO stand for in microcontrollers?

• General Power Interface Output

• General Purpose Integrated Operation

• General Purpose Input Output

• General Programmable Interface Output

Which memory holds program data in a microcontroller?

• RAM

• EEPROM

• ROM

• Flash

What is the main function of the A/D converter in a microcontroller?

• Convert digital signals to analog

• Convert analog signals to digital

• Store the program

• Increase the clock speed

Which of the following memories is erased using UV rays or electricity?

• RAM

• ROM

• EEPROM

• DRAM

Which of the following best describes the importance of MCUs in IoT?

• Expensive and complex systems

• Dependence on operating systems

• Simple, low-cost, and efficient

• Designed for gaming applications

What is Arduino?

• A computer programming language

• A microcontroller-based open-source electronics platform

• A type of operating system

• A wireless communication module

Which board is most suitable for beginners among Arduino models?

• Arduino Due

• Arduino Mega

• Arduino Uno

• Arduino Zero

How many digital I/O pins are available on the Arduino UNO?

• 10

• 12

• 14

• 16

How many analog input pins does the Arduino UNO have?

• 4

• 6

• 8

• 2