Learning More About Computer Keyboards

A keyboard is an input device for computers. A standard US traditional keyboard consists of 101 keys whereas a Windows board consists of 104 keys. A simple one consists of alphabetic keys, punctuation symbol keys, numeric keys, function keys, and special purpose keys. Due to limited available space, laptop ones have fewer keys as compared to the simple normal device and laptop keys sometimes do not have numeric keys.

Computer keyboards are used for different purposes such as word processing, text editing, gaming and giving computer commands to control a program or operating system. Combination's of keys are used to initiate computer commands, actions, or events.

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In an retail store, people can easily find the PS/2 connector boards and USB key boards. The USB styles are more convenient and reliable to use. On the other hand, wireless devices are very famous among computer users because they can archive their wireless connectivity through radio frequencies (RF), infrared (IR), or Bluetooth signals.

Types of Keyboards:

There are basically two types of computer keyboards. Basically they all work on the same principle, but there are still a lot of variations between them. Computer users can find non-standard, special-use chorded, touch screens, foldable and laser or infrared keyboards in the markets or online shops. Another type is known as the virtual keyboards. These virtual keyboards can be used during the unavailability of physical keyboards. Graffiti, Dasher and On-screen keyboards are the most famous kinds of virtual keyboard.

Human Health and Keyboard:

Along with all these features and functionality, usage of a keyboard may cause serious health injuries to hands, arms, neck, wrist and back injury (also known as carpal tunnel syndrome or repetitive strain injury). To avoid health injuries, a computer operator must take frequent breaks during work hours. Lots of medical guidelines are available online that help the users use a keyboard in a more healthy and comfortable manner.

Learning More About Computer Keyboards

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