questions? write about any two output device.explain their use in your own words?
Answers
Answer:
Printer – this device generates a hard copy version of processed data, like documents and photographs. The computer transmits the image data to the printer, which then physically recreates the image, typically on paper.
Types of Printers
Ink Jet – this kind of printer sprays tiny dots of ink onto a surface to form an image.
Laser – this type utilises toner drums that roll through magnetized pigment, and then transfers the pigment onto a surface.
Dot Matrix – dot matrix printers utilise a print head to set images on a surface, using an ink ribbon. These printers were commonly used between 1980 and
Speakers – speakers are attached to computers to facilitate the output of sound; sound cards are required in the computer for speakers to function. The different kinds of speakers range from simple, two-speaker output devices right the way up to surround-sound multi-channel units.
Headset – this is a combination of speakers and microphone. It is mostly used by gamers, and is also a great tool for communicating with family and friends over the internet using some VOIP program or other.
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