Answered step by step
Verified Expert Solution
Question
1 Approved Answer
PLS ANSWER ASAP 3 a) Let us assume that the CS and IP values of the base and offset of an ISR are 1210h and
PLS ANSWER ASAP
3 a) Let us assume that the CS and IP values of the base and offset of an ISR are 1210h and 1010h. The ISR is 8 lines of code where each line takes 2 bits to be stored. At which address, shall we find the IRET instruction? (2.5 marks)
b) Describe the process that would take place if an interrupt arises at the IR0 pin of 8259A while servicing an interrupt that arose at IR3 pin of 8259A. You are expected to refer to the 3 registers in particular. (2.5 marks)
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started