input and output devices

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Input and output devices Www.learnperfact.com

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Page 1: Input and output devices

Input and output devicesWww.learnperfact.com

Page 2: Input and output devices

Input and output devices• I will tell you about different input and output devices of a

computer. What are the functions of these input and output devices and which are come in input category and which are come in the output?

• First of all I will tell you about the input devices and the definition is written here

• The devices used to give the computer data or commands the example is mouse, keyboard scanner etc.

• The output device definition is• • The devices to which the computer writes data. Often converts the

data into a human readable form. Example is Monitor and printer etc.

• Here are the different input and output devices.

Page 3: Input and output devices

Input and output devices• Mouse• In list of input and output devices, mouse is an input device. Mouse

is operated by user and users move it across a desk surface in order to point to a place on a display screen and to select an option from the screen. The mouse is an Integral part of the GUI (graphical user interface).without mouse many difficulties come to operate the computer.

• Keyboard• In list of input and output devices keyboard is an input device. It is

used to write text.it includes the alphabet, numbers and some other keys like shift, control (and used in conjunction with other buttons). Insert, delete button etc. used independent and perform editing tasks.

Page 4: Input and output devices

Input and output devices• Microphone• In list of input and output devices Microphone is an input device.

The Microphone main function is to convert sound waves into audio signals. The microphone is used for recording the sound as well as voice chatting through internet like using Skype calling, Facebook video calling Etc.

• Scanner• In list of input and output devices Scanner is an input

device .Scanner captures images from photographic prints, posters, and magazine, Pages and similar sources for computer editing and display. Scanners come in and flatbed types and for scanning black-and-white only, or color. Very high resolution scanners are used for scanning for high-resolution printing, but lower resolution scanners are adequate for capturing images for computer display.

Page 5: Input and output devices

Input and output devices• Digital Camera• A Digital camera records images in digital form that can be fed to a

computer. Kodak, Canon, and several other companies make digital cameras.

• OUTPUT LIST• Monitor• The Monitor is output device the main function of the monitor is to

display the computer output.it displays the video and graphics information generated

• by the computer through the video card. It is similar to TV but display the screen at much higher resolution.

Page 6: Input and output devices

Input and output devices• Printer• Printer is an external hardware which connected to the computer.

The main function of printer is it takes data from the computer and generates the hard copy of that data. Printer is one of the most important peripherals which are used in the bookshop, offices.

• Speakers• In list of input and output devices speakers is an output device. The

Speaker of a computer connected to the sound card of the computer.it is used to alert the user .it is also used for music.

Page 7: Input and output devices

Input and output devices• Projector• It is also an output device which can show the computer screen and

project a large version of it onto a flat surface. Projectors are used in presentation meeting, so that everyone in the room can view the presentation.

Page 8: Input and output devices

Input and output devices• Thanks for watching for more information

• http://www.learnperfact.com/input-and-output-devices/