PCB
What Is a Breadboard and How Does It Work? 
What is a Circuit?
Storage device
FDD
Hard drive
Magnetic card
Zip drive
CD-R
CD-ROM
BD(Blu-ray Disc)
Recordable DVD drives
Flash memory
Memory card
MMC
Monitor
Gamepad
Microphone
Computer mouse
Printer
Projectors
Scanner
Speaker
Network interface card (NIC)
Expansion card
PC Card
What Is an Express Card for a Laptop?
Video capture Card
Modem
Touchpad