The answer to you question is C
I'd say a wiki was the best option for them. Anyone can edit it from anywhere, which is vital when no one's in the office at the same time and some work from home.
<span>to increase the computer's efficiency
The more files it holds, the more "jobs" it has to run, which means that you're computer would be using the same amount of energy running all of them as to less of them. When you close (or delete) some files, it allows the computer to concentrate on only running a smaller amount of files as oppose to a large amount
hope this helps</span>
Answer:
1. tablets are less portable than smartphones
2. smartphones are considered necessities and tablets are considered luxuries
3. smartphones are personal devices; tablets are usually shared
4. Tablets have larger screens for more extensive use of applications as opposed to the smaller, less versatile mobile phone screens.