Keyboards are possibly the original standard input device. In the very earliest personal computer systems as we’d recognise them today, prior to the introduction of pointing devices, they were the primary method of allowing the user to pass information and data into the system.
Keyboards ordinarily have a full range of dedicated keys including letters, numbers, and special characters. it’s also possible to use combinations of certain keys to create additional characters. Keyboards also contain a range of ‘special keys’ such as the Shift, Ctrl, Alt, Esc and Windows keys. Each of these keys can be combined with others to issue certain commands to the operating system or certain applications.
Despite having the same purpose and a similar form throughout, keyboards do have some variety. Some are designed with a bigger focus on ergonomics while others offer additional features (such as customisable hot keys, volume controls and scrolling). Many keyboards now connect to the computer system wirelessly rather than through a USB or other wired connection. Where a keyboard has a Bluetooth enabled connection, it can be used with both our mobile devices and computer systems.
Ordinarily, keyboards can be placed into one of three general categories:
- Dvorak Keyboards have the keys rearranged into a more efficient layout which makes it possible for users who are familiar with it to be able to type faster.