The answer would be A.
The rest seem impractical.
Answer:
B
Explanation:
It adds the same number over and over again, 'number' times.
This is number*number, a.k.a. number². (squared)
Machine language is the language understood by a computer. It is very difficult to understand, but it is the only thing that the computer can work with. All programs and programming languages eventually generate or run programs in machine language