78 identify input and output devices

78 identify input and output devices

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  Input Devices/Output Devices Identifyinput devices/output devices or the peripherals Give the important function of each input device Prepared by: PAUL C. GONZALES Teacher I ESCES
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  An input device/ output device •is any peripheral or piece of hardware attached to a computer. •It is a device connected to and controlled by a microprocessor, but not necessarily a part of the basic computer system. Keyboard Mouse Monitor Speaker Printer Scanner Modem Digital Camera Monitor Filter Digitizers Touch Panels Light pens
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  Keyboard: Is a wayto input letters or numbers into the different applications or programs. Back
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  Mouse: A mouse functionsas a pointing device by detecting two-dimensional motion relative to its supporting surface. Used to translate the motion of your hands into signals that the computer can use. Back
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  Monitor: Is a visualdisplay device to present output information in the form of text, graphics, or video on the screen. Back
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  Printer: It is designedto print letters, numbers, symbols or anything you typed in the keyboard. It can also produce pictures and images. Back
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  Modem: It is useto connect to the Internet.The Internet provides the user information about various subjects such as business, education, science and technology, arts, current events, weather and many others. Back
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  Scanner: This is aperipheral that reads or inputs artwork, photograph or any piece of document and stores it as file. Back
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  Speaker: The speaker servesthe computer user in two ways. One is for utilitarian, such as to allow a user to watch movies or listen to music on the computer.Another is to make computers more fun and less frightening. Back
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  Digital Camera: It allowsyou to develop your pictures in the comfort of your home just by attaching it to your computer. Back
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  Monitor Filter: This isused to reduce the radiation that the user receives each time he operates the computer. Back
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  Digitizer: is a devicefor drawing, painting or interactively selecting coordinate positions on an object. Graphics tablet is a type of digitizer. It is used to i/p 2d coordinates by activating a hand cursor or stylus at selected positions on a flat surface. . Back
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  Touch Panels: allow youto use your finger to touch the screen and choose objects. A special computer monitor or a monitor fitted with special hardware is necessary to provide touch screen capabilities. . Back
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  Light Pens: This isused to reduce the radiation that the user receives each time he operates the computer. Back Next
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  • When dowe use input devices or the peripherals? • What should you do if you are not very familiar yet about input devices? Quiz
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