In 1988, researcher Fred Cohen performed a series of studies in which he constructed programs that replicated themselves. He used the term computer infection to describe them.

The above statement is false.

Explanation:

Fred Cohen was a American scientist who brought forward the idea of computer viruses. he invented the computer virus defense techniques. He  performed a series of studies in which he constructed programs that replicated themselves.  He used the term computer 'computer virus' to describe them.

the correct answer is d