Joey I Graziano

Encryption. By:- Er. Amit Mahajan. Introduction.

CPU Interrupt Hardware. CPU accepts interrupt request: 1. Save PC and Flag register 2. Change mode bit 3. Push ISR’s starting address to PC. ISR { 1. Inhibit INT; 2. Pop CPU registers and save them in PCB; 3. Check which type of INT 4. Check which event occurs/what device requests