This document provides an introduction to basic computer hardware, components, cabling, and troubleshooting. It lists common computer parts like the power switch, hard drive, floppy disk drive, CD/DVD drive, serial ports, parallel port, USB port, keyboard, mouse, network card, modem, sound card, and video card. It also mentions the motherboard, RAM, cables, and power cord. The document provides storage capacities for floppy disks, zip cartridges, CDs, and DVDs. It stresses the importance of backups and having updated anti-virus software and security patches. It lists some common troubleshooting steps and provides additional educational technology resources.