The document describes the key internal components of a computer workstation, including the power supply, motherboard, hard drive, fan, processor, RAM, video card, and DVD drive. The power supply provides electricity to power the computer. The motherboard connects all the different components. The hard drive stores data on magnetic platters. The fan cools the computer to prevent overheating. The processor interprets instructions. RAM acts as temporary memory. The video card generates and outputs images. The DVD drive reads CDs and DVDs.