The technology of computer keyboards includes many elements. Among the more important of these is the switch technology that they use. Computer alphanumeric keyboards typically have 80 to durable switches, generally one for each key. The choice of switch technology affects key response the positive feedback that a key has been pressed and pre-travel the distance needed to push the key to enter a character reliably.
In calculating. Following the diminution of punch cards and paper tape. A keyboard typically has characters engraved or printed on the keys and each imperativeness of a cardinal typically corresponds to a individual written symbol. While most keyboard keys produce letters. Numberss or marks characters.
A computer keyboard is an input device that allows a person to enter letters , numbers , and other symbols together, these are called characters into a computer. It is one of the most used input devices for computers. Using a keyboard is often called typing. A keyboard contains many mechanical switches or push-buttons called "keys".
Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. Keyboards can also use a variety of other typing key arrangements. The most widely known is Dvorak, named for its creator, August Dvorak. The Dvorak layout places all of the vowels on the left side of the keyboard and the most common consonants on the right.