Output Devices

A printer transferes text and pictures onto paper. A printer can print out in black and white or colour. a printer plugs into a usb slot. nowadays you can but a printer with a scanner attached to it.

a monitor is a screen that shows moving or still images that have been genarated by the computer and processed by the graphics card in the computer. there are two types of monitors which are CRT and LCD. a CRT (cathode- ray tube) are the most popular type of monitor and have been used for many years but they are quite bulky. An LCD (liquid crystal display) are energy eifficient and are compact, thin and lightweight.

speakers are used on a computer to give out sound. the speakers give off freaquancys that we can hear. speaks are normally built into the computer but you can also buy speakers that plug into your computer. speakers can also be used whilst you are using webcam because you will be able to hear the people you are talking to. speakers most commanly come with a volume control switch and a socket for headphones to plug into.