Interrupts in 8051

Interrupt is a signal generated by the device to gain the attention of CPU

A single micro controller can serve several devices by ____

Types of interrupt are,

The program which is associated with the interrupt is called the interrupt service routine (ISR) or interrupt handler.

How does the processor respond to an occurrence of the interrupt?

Select the process of serving a task using interrupt method

Polling method:

Special function registers used for interrupts are ____

Interrupt registers are ___ bit and ___ addressable registers.

___ external interrupts are there in 8051(in number).

What are internally generated interrupts by the microcontroller?

Which among the below mentioned reasons is/are responsible for the generation of Serial Port Interrupt?

EA bit is used to

The number of priority levels that each interrupt of 8051 have is

If two interrupts of higher priority and lower priority occur simultaneously then the service provided is for

Match the correct order of priorities of the interrupts:

Which register is used to make the pulse a level or an edge triggered pulse?

Match the vector addresses of the given interrupts:

Which pin of the external hardware is said to exhibit INT0 interrupt?