Answer:
Word processing is the process of creating and editing documents on a computer. It allows a user to create documents that mimic the format and style of a typical typewriter. It requires a computer and word processing software. A printer may also be used to create a physical copy of the document.
Explanation:
A. defragging your hard drive
Answer:
C. ASCII code
Explanation:
Reflected code is another term for gray code so you can cross both out.
BCD code is binary decimal code used in scientific and graphic calculators
ASCII code is the only one use in a computer keyboard so I'm guessing that's the answer. :)