Answer:
A. a primary work from which information is taken.
Explanation:
I would suggest the following sources
1) job postings - those offer include the phrases that the employers themselves want to hear
2) keyword lists - they're made for looking for keywords!
3) professional site's skills sections. You could use LinkedIn or any other professional site.
4)Sometimes you can find software that can suggest keywords for you
That would be what is known as Spyware, a common form of this is known as a "Trojan Horse". This type of malware is typically latched on and hidden within files, such as when downloading a pirated version of a song, game, art-work, etc...
Just multiply all numbers to get the total number of bits:
25*50*12 = 15000 bits.
On a computer she can open the menu with a f4 key