Pricol Embedded Software Engineer Interview Questions and Answers

Interrupts are signals sent to the CPU by external devices to request attention and interrupt the current program execution.

• Interrupts allow external devices to communicate with the CPU without the need for constant polling.

• When an interrupt occurs, the CPU suspends its current task, saves its state, and executes an interrupt service routine (ISR).

• ISRs are small programs that handle the interrupt request and then retur...read more