Power users may work with a high-end desktop, sometimes called a(n) designed to handle intense calculations and sophisticated graphics.

workstation

Explanation:

Workstation -

It refers to a specially designed computer , which is just used for some scientific and technical applications , is referred to as a workstation.

These system are connected via  local area network ( LAN ) and a single person can sue this system at one time.

a workstation is capable to perform multi task and is designed to give very high performance and efficiency than the normal personal computers , even these computers are better in memory capacity and graphics.

Hence, from the given information of the question,

The correct term is workstation.

1 and 2

explanation:

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south