What is a gui?

question 1 options:

every aspect of an operating system

anything a computer uses to interact with a user

a small box that is used to get input from the user

everything behind the operating system that the user does not see

Which of the following are types of formatting you can apply to a spreadsheet? choose all that apply.

Acomputer has a two-level cache. suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. the access times are 5 nsec, 15 nsec, and 60 nsec, respectively, where the times for the level 2 cache and memory start counting at the moment it is known that they are needed (e.g., a level 2 cache access does not even start until the level 1 cache miss occurs). what is the average access time?

Aproject involves many computing systems working together on disjointed task towards a single goal what form of computing would the project be using