The document describes three key parts of a computer system: the power supply which provides electrical power, the motherboard which connects all the components, and the hard drive which is a non-volatile storage device that stores data on rapidly rotating magnetic platters.

1. Parts of the Computer System By: Ann Lalsen & Ashley Parker 4 th Block

2. Inside of a Computer Workstation

3. Power Supply Power supply is a reference to a source of electrical power.

4. Motherboard The motherboard is located inside of a computer includes where all of the different components are connected

5. Hard Drive The hard drive is a non-volatile storage device which stores digitally encoded data on rapidly rotating platters with magnetic surfaces.