A keyboard is used as an input device in any computing device. This input device keyboard has been modeled form the typical typewriter keyboard.
In a keyboard the key or buttons are arranged in an order. Over the buttons or keys there are some characters printed, so pressing that particular key will respond to the symbol specified on the key or button. But in some cases pressing the keys or buttons in some combinations in some sequence will perform some operation and if some other keys are pressed then it would result in the operation of the computer and also the key board.
There are different types of keyboards based on the keyboard layouts, wireless types, connection types, dome switch vs. alternatives and alternative to the regular keyboard such as small keyboards, specialty keyboards, virtual keyboards like touch screen keyboards and extra keys keyboards like gaming keyboards and multimedia keyboard. In normal keyboard the number of keys varies from 101keys to 104 keys. But now keyboards with 130 keys and even more also come.
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GENUINE APPLE WIRELESS KEYBOARD BLUETOOTH MC184LL/B US $47.00
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ORIGINAL Apple Wireless Keyboard - Aluminum Bluetooth A1314 MC184LL/A US $33.50
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MICROSOFT BLUETOOTH MOBILE KEYBOARD CXD-00001 US $73.89
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i.Tech Bluetooth Virtual Keyboard US $125.00
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Apple Wireless Bluetooth Keyboard US $29.99
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Apple Bluetooth wireless Keyboard A1314 - unused, original wrapping, + batteries US $55.99
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New Flexible Bluetooth Keyboard Wireless Waterproof Silicone Portable Foldable US $26.95
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Pro Foldable Bluetooth Keyboard for Blackberry Playbook US $36.09
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APPLE BLUE TOOTH WIRELESS KEYBOARD US $36.99
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Apple Bluetooth Wireless Keyboard US $18.50
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MINI BLUETOOTH KEYBOARD CORDLESS PC REMOTE US $17.99
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Wireless Bluetooth Laptop PC Keyboard TouchPad Mouse Presentation Laser Pointer US $41.95
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Apple Wireless Bluetooth keyboard US $30.00
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Wireless Mini Bluetooth Keyboard For PS3 Mac OS PC PDA US $10.50
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Cordless Bluetooth v2.0 Mini Keyboard TouchPad Controller For Android Smarphones US $41.95
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