A keyboard acts as a mandatory hardware component in the computer system. In the earlier times when a device like a mouse or light pen was not present, keyword was the only source available to input data. Different types of keyboards are available that are chosen by users according to their preferences and requirements. These are mentioned below:
These key boards are very helpful when there is lack or no availability of light. As the user presses each key, a light glows that makes the particular key apparent. For instance if the user presses the letter “A”, a light will glow at the base of the keyboard. These key boards are very attractive and are mostly preferred by teenagers and students.
These keyboards provide the factors of convenience and compatibility to the users as no wires are required. Wireless key boards work with the help sensors instead of wires and the users can sit on a comfortable couch instead of a hard chair facing the computer screen. The duration required to display the entered data on the computer screen is much shorter in these key boards as compared to the traditional ones.
Using keyboards on continuous basis can be damaging to the human wrists and finger joints. The bone joints loose calcium content and become brittle with the passage of time. QWERTY key boards are designed to minimize this effect. The layout of these keyboards is such that minimum stress is exerted on the hand joints. According to medical researches, QWERTY keyboards and quite effective in preventing the weakening of hand joints.
These keyboards are smaller as well as lighter than a normal keyboard. They are similar to a laptop keyboard in terms of appearance and are preferred by laptop users mostly. It is hard for frequent laptop users to work on a desktop system. However a MINI keyboard makes the task comparatively easy. These keyboards are mostly wireless to provide a higher level of comfort.