Input and Output Devices

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Presentation transcript:

Input and Output Devices

Input Devices Parts of Computer,which are used to feed data and commands are called Input Devices Some Input Devices are: Keyboard Mouse Joy Stick Scanner Voice Input System

Keyboard Keyboard is the most commonly used Input Device.The keys on trhe keyboard can be classified as follows: Alphabetic keys Numeric keys Function keys Symbols keys Special keys

Mouse Mouse is a pointing device which is used to draw,move and resize the picture and words. It has two or more buttons on the top

Joystick A joystick consists of vertical bar.It can be rotated in various directions.This rotation moves the cursor to the desired position.

Scanner A Scanner is an input device.It is used to make an exact copy of text or a picture and send them to the computer.

Speech Recording Voice speech system is capable of converting human speech into a binary or a machine language.

Output Devices Output devices are the devices which are used to get final result of work done on computer. Following are some Output Devices: Monitor or Visual Display Unit Printers Plotters Speakers

Monitor Every Computer has a television like device. It is called monitor or visual display unit. It is used to display information to us.

Printers Types of printers in use today Laserjet Inkjet

Large Format Printers Large format printers are used to obtain a graphic or pictorial presentation of the final result (output).Large format printers are used for variety of applications which include drawing graphs, making maps and detailing of houses or cars.

Speakers Speakers are used to listen sounds from a computer system.

What else? Can you think of any other input or output devices?