The most common mechanism for implementing multiprogramming was the introduction of the ____ concept, whereby the CPU was notified of events needing operating systems services.

An information system includes _____, which are programs that handle the input, manage the processing logic, and provide the required output.?

A. ?applications B. ?clients C. ?data frames D. ?magnetic tapes

When looking to alleviate single points of failure, why is it not feasible to create two copies of everything?

What will be an ideal response?