When can a user program execution be interrupted, Computer Engineering

Assignment Help:

When can a user program execution be interrupted?

It won't be desirable to interrupt a program when an instruction is being executed and is in a state such as instruction decode.  The most desirable place for program interruption will be when it has completed the prior instruction and is about to begin a new instruction. Figure below shows instruction execution cycle with interrupt cycle where interrupt situation is acknowledged. Please remember that even interrupt service routine is also a program and after recognizing interrupt next instruction executed by instruction cycle is first instruction of ISR (interrupt servicing routine).


Related Discussions:- When can a user program execution be interrupted

How branching takes place in instruction pipeline, How branching takes plac...

How branching takes place in Instruction pipeline. Explain with suitable examples

Overflow condition in linked list, Overflow condition in linked list may ha...

Overflow condition in linked list may happen when attempting to Make a node when free space pool is empty.

Define data path, Define data path. The registers, the ALU, and the int...

Define data path. The registers, the ALU, and the interconnecting bus are collectively referred to as the data path.

How optimization is achieved in dns, How optimization is achieved in DNS? ...

How optimization is achieved in DNS? Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server

What is a call request signal, Call request signal is: (A)  Seize sig...

Call request signal is: (A)  Seize signal (B) Idle state signal (C)  Line identification signal (D) Called subscriber alert signal      Ans: Call request

Or-introduction rule, Or-Introduction : Thus if we know about one thin...

Or-Introduction : Thus if we know about one thing is true, and also we know that a sentence when there thing is in a disjunction is true. Here if we consider example, like we

Why we need web browser, Q. why we need Web Browser? A Web browser is s...

Q. why we need Web Browser? A Web browser is software program which allows you to easily display Web pages and navigate the Web. The first graphical browser, Mosaic, was develo

Develop a system to store change logs, The ?rst task in the project is to d...

The ?rst task in the project is to develop a sane system to store change logs and versions of ?les. The simplest approach is to create a "dot" directory in the location of the ?le

Explain dead code elimination, Explain briefly Dead code Elimination of the...

Explain briefly Dead code Elimination of the commonly used code optimization techniques Dead code Elimination: Code which is unreachable or which does not influence the pr

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd