| A computer keyboard is an input device which | | | | developed by QWERTY, an inventor of keyboard. |
| uses the arrangement of buttons or keys. It was | | | | The various key types are alphanumeric, |
| designed after the typewriter keyboard and acts | | | | modifiers, navigation and typing mode, system |
| as electronic switches. The characters are printed | | | | commands and miscellaneous. The keyboard was |
| on the keys and each press of the key | | | | developed using the technologies key switches, |
| corresponds to the single written symbol. The | | | | control processor and connection types. Rather |
| keyboard is used to type the text and numbers | | | | than using the keyboard the alternative methods |
| into the word processor or other program. | | | | are used to enter the text. They are OCR |
| In today's world, this Computer Keyboard | | | | (Optical Character Recognition), Speech recognition |
| interpretation is left to the software. When any | | | | and pointing devices. The various other types of |
| one presses the key, all the reports will be | | | | keyboard technologies are,o Membrane |
| automatically registered into the software. This is | | | | keyboard,o Dome-switch,o Capacitive,o |
| also used to play games and also to give | | | | Scissor-switch,o Laser etc. |
| commands to computer such as | | | | With the help of the keyboard, the computer |
| Control-Alt-Delete to shut down the machine. The | | | | users can see what text they are typing on the |
| various types of Computer Keyboard are,o | | | | display screens and also makes it easier to |
| Standard,o Lap-top size,o Gaming and | | | | create, edit and delete. Each key in the keyboard |
| multimedia,o Thumb size ando Numeric. | | | | has various functions. For example, NUM LOCK is |
| The layout of the Computer Keyboard depends | | | | used to perform all the mathematical operations |
| on the number of different arrangements such as | | | | and be sure it is turned to green light. So, this |
| alphabetic, numeric and punctuation symbols. You | | | | keyboard is used as the input device to perform |
| can see the first line of the keyboard as | | | | various operations. |
| QWERTY. This is because the keyboard was | | | | |