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Frequently asked interviewer’s questions

What is a microcontroller?

A microcontroller is a compact integrated circuit (IC) that contains a processor core, memory, and programmable input/output peripherals. It is designed to execute specific tasks and control various electronic devices or systems. Microcontrollers are widely used in embedded systems, where they provide intelligence and control functionality to devices such as appliances, automotive systems, medical devices, industrial machinery, and more.

What are the key differences between a microcontroller and a microprocessor?
What is the purpose of a bootloader in a microcontroller?
What is the significance of timers and counters in microcontrollers ?
Describe the concept of sleep mode in microcontrollers and its benefits ?