What is the difference detween ISR & function call

Answer Posted / vasanth

Simply, an ISR (interrupt service routine) can be defined
as a hardware function call. Generally, a CPU must
immediately pay attention to a hardware interrupt call. An
ISR is always given higher priority than a normal function
call.

Is This Answer Correct ?    25 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the significance of the nmi pin in the 8086?

572


What is the purpose of the sign flag in 8085?

537


explain the flow of a typical instruction word

721


What is coprocessor?

641


What are the steps involved in a fetch cycle

585






Which are sixteen bit registers of 8085?

590


What are the various criteria to choose the microcontroller?

580


What is stack pointer in 8051 microcontroller?

647


Define the 8085 instruction format and their classification according to word size?

620


Define the purpose of sim and rim in reference to the 8086?

525


rtos kernal have memory managament,sheduler and timer but not haveing file system how vxworks allocate file table process in memory? bud gpos have inside kernal

2722


Other than setb, clr are there any single bit instructions?

595


If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.

795


With the help of an example explain how physical address is calculated?

557


how does the 8086 differ from the 8085 microprocessor?

573