Topic 2: Computer Hardwares of a Computer

Input Device

keyboard

Wired Keyboards

USB port

Wireless Keyboards

Bluetooth

IrDA

mouse

touch screen

Microsoft Surface

Pen Input

stylus

digital pen

Biometric Input

fingerprint reader

Terminals

POS terminal

ATM

Scanners and Reading Devices

OMR

bar code reader

RFID

Video Input

web cam

Game Controllers

Gamepads

Joysticks and Wheels

Dance pads

Light guns

Output Device

Display Devices

HDTV

audio output device

Headphones

Earbuds

data projector

Printers

dot-matrix printer

mobile printer

multifunction peripheral

System Unit

Memory

memory slots

memory module

Motherboard

Adapter cards

Power supply

Drive bay(s)

Processor

arithmetic logic unit

control unit

Communications Devices

wireless modem

uses the cell phone network to connect to the Internet wirelessly from a notebook computer

wireless access point

allows computers and devices to transfer data wirelessly among themselves or to a wired network

hub or switch

connects several devices in a network together

network card

have an antenna

enables a computer or device to access a network

router

connects multiple computers or other routers together and transmits data to its correct destination on a network

Storage Device

Microfil

Cloud storage

USB flash drives

hard disk

Optical Discs

CD-R

CD-RW

CD-ROM

memory card

magnetic stripe card

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