In today’s world the use of electronic appliances has become a basic necessity of life. From black and white television to projectors and typewriter to color laser printers we have seen technology progress by leaps and bounds.

Here we are going to discuss about three very important electronic devices which are useful in all walks of life. They are used by business houses and at your home too.

Projectors

A projector is a device which is used to show an enlarged picture on the screen from transparency usually through a photographic slide or a film. A projector usually has a image resolution of 800 x 600 pixels. Projectors are usually light in weight and can be easily carried from one place to another. Panasonic, Acer, Hitachi are some of the major brands which manufacture different types of projectors like stationary or portable ones.

Toner Cartridges

Powder used in laser printers and photocopiers to form an image on the paper is called toner. It is usually a blend of carbon and polymer. Laser printers which use toner cartridges print much more quickly than inkjet cartridges and one black toner cartridge can print thousands of pages thus proving to be very cost effective than previously used inkjet cartridges. Some of the major brands manufacturing toner cartridges include Apple, Canon and Panasonic.

Color Laser Printer

Their is a large variety of color laser printers available in the market. The range includes small business color laser printers, home use color laser printer and many more . So their are color laser printers available in the market to meet the needs of all kinds of consumers. Some of the major brands selling color laser printers include HP, Canon and Xerox.