Understanding Interrupt Processing in Computer Systems
Dive into the world of interrupt processing in computer systems, exploring how interrupts are handled, the steps involved, and how execution resumes after an interrupt. Discover the intricate workings behind interrupt handling routines and their significance in ensuring smooth operation of computing systems.
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Presentation Transcript
Interrupt Processing Step 1: When the interrupt occurs the processor is currently executing i th instruction and the program counter will be currently pointing to (i + 1)th instruction. Step 2: When the interrupt occurs the program counter value is stored on the processes stack. Step 3: The program counter is now loaded with the address of interrupt service routine. Step 4: Once the interrupt service routine is completed the address on the processes stack is pop and place back in the program counter. Step 5: Execution resumes from (i + 1)th line of COMPUTE routine.
