Distinguish between drives and primary units?

Drives and primary units are both components of a computer system, but they serve different purposes.

Drives refer to storage devices that are used to store data on a computer. This can include hard disk drives (HDD), solid-state drives (SSD), optical drives (CD/DVD drives), and external drives (USB drives). Drives are used to store files, programs, and other data on a computer system.

Primary units, on the other hand, typically refer to the main components of a computer system that are essential for its operation. This can include the central processing unit (CPU), motherboard, memory (RAM), and power supply unit. These components are necessary for the computer to function and perform tasks.

In summary, drives are storage devices used to store data, while primary units are essential components of a computer system that are necessary for its operation.