A user who will spend considerable time using specific programs and is likely to become comfortable and familiar with the terminal's operation is called a:A) expert userB) system ownerC) casual userD) system builderE) none of these

A) expert user

Explanation:

An expert user is an experienced user who has spent considerable time using specific application programs and, therefore, it is fair to assume that this user is likely to become comfortable and familiar with the terminal's operation.

A casual user is a less experienced computer user who will generally use a computer less frequently and thus is not likely to become comfortable and familiar with the terminal's operation.

System owners and system builders are not technically users.

Therefore, the answer is A) expert user