Keyboards

Keyboards

1. Most common use of data entry

2. Used as the input device on computers,tablets,mobile phones and other electronic devices

3. How it works

   • The keyboard is connected to the computer either by using a USB connection or by wireless connection
     • Each character on a keyboard has an ASCII (American Standard Code for Information Interchange) value assigned to it
       • Each character pressed on the keyboard is converted into a digital signal, one that is interpreted by the computer and outputted on the screen

4. A keyboard typically contains keys for individual letters, numbers and special characters, as well as keys for specific functions

5. Types of Keyboards

   • Multimedia Keyboard
     • Type of keyboard which includes multimedia buttons which help you to control your media only by a single tap.
   • Mechanical Keyboard
     • it is louder and makes our fingers sense something rigid. Some mechanical keyboards come in an ergonomic design that is more comfortable to type for a long time.
   • Wireless Keyboard
     • Portability is the vital feature of these computer keyboards. We can use it away from the parental device.
   • Virtual Keyboard
     • It is not a physical keyboard but allows us to input keys. The virtual keyboard is not a hardware but can be a software or parts of the software.
   • USB Keyboard
     • This type of keyboard uses the USB interface as a way of connecting with the host. This means that we get a wire with a USB stick at the end with this keyboard. Just insert it into the USB port of your computer.
   • Ergonomic Keyboard
     • It resembles the English alphabet “V” in shape. Companies do it to make the two- handed users comfortable with it and to prevent Repetitive Strain Injury (RSI).
   • QWERTY Keyboard
     • QWERTY is a type of keyboard in which the keys are arranged in a specific order, not in the ABCD..order.
   • Gaming Keyboard
     • You find some special keys on a Gaming Keyboard. Because they are built with bearing gamers in mind. We use W, S, D, A, arrow keys, and space a lot while gaming. In a gaming keyboard, these keys are highlighted and easily distinguishable even by a not- so- usual- computer user.

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