An output device is a piece of hardware that you can get data out of the computer.
E.g- Speaker, printer, and monitor/screen
E.g- Speaker, printer, and monitor/screen
CRT Monitor
They display text and image data passed to it by a computer.
A Cathode-ray tube (CRT) monitors are heavy and take up a lot of space, can be a fire hazar but have accurate colours and excellent brightness..
Designers and companies would use these.
They display text and image data passed to it by a computer.
A Cathode-ray tube (CRT) monitors are heavy and take up a lot of space, can be a fire hazar but have accurate colours and excellent brightness..
Designers and companies would use these.
TFT Monitor (thin film transmitter):
Flat Screen displays have replaced CRT monitors. They are light weight and take up little space. The picture quality is very good. However TFT monitors cannot be used with light pens or CAD.
A family and school would use this.
Flat Screen displays have replaced CRT monitors. They are light weight and take up little space. The picture quality is very good. However TFT monitors cannot be used with light pens or CAD.
A family and school would use this.
Multimedia Projector:
They are used for large viewings they are useful for presentations and in your m#home for watching movies. It connects to a computer or dvd player just like a normal monitor. The image is projected through a large lens using a powerful light source.
The uses are for schools and businesses.
They are used for large viewings they are useful for presentations and in your m#home for watching movies. It connects to a computer or dvd player just like a normal monitor. The image is projected through a large lens using a powerful light source.
The uses are for schools and businesses.
Laser printer:
Laser printers are quiet, they print large number of sheets very quickly and very good quality. The print by powered ink called 'toner' it is fused onto the paper by heat and pressure. These products are expensive to buy and can produce harmful ozone gases.
They are found in the work place because they are quiet.
Laser printers are quiet, they print large number of sheets very quickly and very good quality. The print by powered ink called 'toner' it is fused onto the paper by heat and pressure. These products are expensive to buy and can produce harmful ozone gases.
They are found in the work place because they are quiet.
Ink-jet printer:
They have been popular for a long time and are relatively cheap to buy these printers use cartridges that contain the ink. They operate by heating the ink through tiny nozzel. Producing high quality pages.
They are commonly found in the home.
They have been popular for a long time and are relatively cheap to buy these printers use cartridges that contain the ink. They operate by heating the ink through tiny nozzel. Producing high quality pages.
They are commonly found in the home.
Dot Matrix Printer:
Dot matrix uses lots of dots when printing the paper printout. The dots are formed by tiny pins. however the quality is poor and very noisy however they are very cheap to run and maintain and are an ideal alternative to ink jet or laser printers.
They are used in shops
Dot matrix uses lots of dots when printing the paper printout. The dots are formed by tiny pins. however the quality is poor and very noisy however they are very cheap to run and maintain and are an ideal alternative to ink jet or laser printers.
They are used in shops
graph plotter:
They are used to draw large scale drawings and texts from tiny dots. They are more accurate and quicker than a human would. They are very good at producing huge drawings at good quality but are slow to operate and expensive to maintain.
They are used by Artists
They are used to draw large scale drawings and texts from tiny dots. They are more accurate and quicker than a human would. They are very good at producing huge drawings at good quality but are slow to operate and expensive to maintain.
They are used by Artists
Loudspeaker:
If you want to hear sounds from your computer you will have to attach loudspeakers. They convert electrical signals into sound waves.
They are used for video editing and watching movies
If you want to hear sounds from your computer you will have to attach loudspeakers. They convert electrical signals into sound waves.
They are used for video editing and watching movies