Answer:
An operating system is a software that helps the any computers basic needs or functions. For example, the windows on a computer is a operating system.
Explanation:
a diagram of the sequence of movements or actions of people or things involved in a complex system or activity.
D. enter because if you enter something on a cuputer or laptop your selecting something
Answer:
Storage Size
Explanation:
the answer to which is better 8 Mbps or 2 MBps? Is 2 MBps (which is 16 Mbps). Using a less common, but more clear notation: which is better 8 Mbit/s or 2 MBps? Answer: 2 MBps, since that is 16 Mbit/s. (Marketing people use this confusion to their advantage if you're not sure which is intended, ask.)
Source http://cs.sru.edu/~mullins/cpsc100book/module02_introduction/module02-05_introduction.html
(if you want to read the full artical.)