This document outlines various computer input and output devices, including modems, network cards, touch screens, audio cards, and flash drives. A modem is essential for accessing the internet, while network cards connect computers to networks. The document provides brief descriptions of each device and their primary functions.

1. Computer
Input & Output Devices
Compiled by Angela DeHart
2/19

2. Modem
ModemisshortforModulatorDemodulator.It’san
electronicdeviceusedtoaccesstheInternetthat
modulatescarrierwavestoencodeinformationtobe
transmittedandalsodemodulatesincomingcarrierwaves
todecodetheinformationtheycarry.
Whatisamodem?
Amodemisaveryimportantpieceofnetworkhardware
thatallowsacomputertosendandreceivedatathrougha
telephonelineorcableconnection.Insimplewords,it’s
thedevicethatconnectsacomputertotheInternet.

6. Network
cards
ANetworkinterfacecard(alsoknownas
aNIC,networkcard,ornetworkinterface
controller)isanelectronicdevicethat
connectsacomputertoacomputernetwork,
usuallyaLAN.Itisconsideredapiece
ofcomputerhardware.

8. Touch
Screen

10. Headsets

12. Copier

14. AudioCard
Audiocardsenablethecomputertoplay
andrecordsound.Theaudiodevicesare
attachedtothesystemthroughdifferent
jacksbutcommonlyusingjackis3.5mm
audiojack.Everysoundcardhasthree
knownjacksthatareLinein,Lineoutand
Micin.

16. FlashDrive

19. DVDRW

21. DVDRW
Drive