Grid computing takes advantage of the available 75% of unused processing power of a computer and links thousands of individual computers around the world creating a that can process intensive tasks.

The answer is "Virtual supercomputer"

Explanation:

A supercomputer is a machine with or close to a maximum fastest operating output. It commonly used in science and engineering systems, that have to manage or calculate massive server numbers.

the answer is d. splog

answer(a) occurs after your prediction;