Exploring Microcontrollers and Their Uses

What is the primary function of a microcontroller in an embedded system?

• To provide high-speed data processing

• To control the operation of devices

• To store large amounts of data

• To enhance graphics performance

Which component of a microcontroller is responsible for executing instructions?

• RAM

• ROM

• CPU

• I/O Ports

Which of the following is a common application of microcontrollers?

• Desktop computers

• Washing machines

• Mainframe computers

• Supercomputers

What is the role of the ALU in a microcontroller?

• To store data

• To perform arithmetic and logic operations

• To manage power supply

• To control input/output operations

Which type of memory in a microcontroller is used for storing the program code?

• RAM

• ROM

• EEPROM

• Cache

What is the purpose of using PWM (Pulse Width Modulation) in microcontroller applications?

• To increase data storage

• To control the speed of motors

• To enhance display resolution

• To improve network connectivity

Which of the following is an example of a microcontroller interfacing device?

• Keyboard

• Monitor

• Sensor

• Printer

In microcontroller applications, what is the purpose of using an ADC (Analog to Digital Converter)?

• To convert digital signals to analog

• To convert analog signals to digital

• To amplify signals

• To filter noise

What is the function of a timer in a microcontroller?

• To store data

• To manage power supply

• To keep track of time intervals

• To enhance graphics performance

What is the purpose of using interrupts in microcontroller programming?

• To execute tasks sequentially

• To handle events asynchronously

• To increase memory capacity

• To improve data storage