Topic 2: Computer Hardwares of a Computer

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Four Components of a Computer System

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Floating topic

Topic 2: Computer Hardwares of a Computer

Storage Device

magnetic stripe card

memory card

Optical Discs

CD-ROM

CD-RW

CD-R

hard disk

USB flash drives

Cloud storage

Microfil

Communications Devices

router

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

network card

enables a computer or device to access a network

have an antenna

hub or switch

connects several devices in a network together

wireless access point

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

wireless modem

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

System Unit

Processor

control unit

arithmetic logic unit

Drive bay(s)

Power supply

Adapter cards

Motherboard

Memory

memory module

memory slots

Output Device

Printers

multifunction peripheral

mobile printer

dot-matrix printer

data projector

audio output device

Earbuds

Headphones

Display Devices

HDTV

Input Device

Game Controllers

Light guns

Dance pads

Joysticks and Wheels

Gamepads

Video Input

web cam

Scanners and Reading Devices

RFID

bar code reader

OMR

Terminals

ATM

POS terminal

Biometric Input

fingerprint reader

Pen Input

digital pen

stylus

touch screen

Microsoft Surface

mouse

keyboard

Wireless Keyboards

IrDA

Bluetooth

Wired Keyboards

USB port