External hardware components and peripherals, cost, image and function

 Logitech Cordless Desktop EX100

Logitech Cordless Desktop EX100
$29.99

Keyboard: This is where the user enters text commands into the computer
Mouse - A point and click interface for entering commands which works well in graphical environments.


 

ASUS VK246H 24-Inch Widescreen LCD Monitor with Webcam

$220.30

This device operates like a TV set lets the user see how the computer is responding to their commands.

 
Logitech S220 2.1 Speaker System with Subwoofer
$27.99
The computer speaker is an output device which gives the user auditory feedback regarding the state of the computer.




Lexmark Prospect Pro205 Wireless Multifunction Inkjet Printer
$117.54
a printer is a peripheral which produces a text and/or graphics) of documents
A scanner is used to input paper documents or photos into the computer.




NETGEAR DGN2000 Wireless-N Router with Built-in DSL Modem
$54.95
The function of a modem is Modulation And Demodulation mean to turn data into a format that can be transmitted via an audio link such as a phone line