The only difference between the containers set and multiset is that the container multiset allows ____________________.

Typically, a DO/S system's scheduling function has three parts: a ____, a priority function, and an arbitration rule.

A. request evaluator B. scheduling request C. decision mode D. request queue

To increase accessibility, many people with visual impairments use ________________ to access the web so that page content can be read aloud.

Fill in the blank(s) with the appropriate word(s).