| 1.3.1 Input Devices | Provide data to the computer system | Keyboard, Mouse, Microphone, Scanner, Barcode Reader, Digital Camera, Touch Screen |
| 1.3.2 System Unit | Central component housing essential hardware | Motherboard, CPU (CU, ALU, Registers), Expansion Slots, RAM Slots, CPU Socket, Ports |
| 1.3.3 Storage Devices | Save data and programs for long-term use | Hard Disk, CD, DVD, Memory Card, USB Flash Drive |
| 1.3.4 Output Devices | Display or produce information from the computer | Monitor (CRT, LED), Printer (Impact, Non-Impact), Plotter, Speaker |
| 1.3.5 Ports, Expansion Slots, and Cards | Enhance functionality of the computer system | Ports (USB, HDMI, DVI, Audio, LAN), Expansion Cards (Sound, Graphics, Modem, Network) |