Keyboard

Keyboard

The keyboard used to type the text & numbers into a word processor, text editor or any other programs.

Keyboard types:

One factor determining the size of a keyboard is the presence of duplicate keys, such as a separate numeric keyboard, for convenience. Keyboard with few keys called a keypad. There is another factor determining the size of a keyboard is the size & spacing of the keys.

Standard

The Standard (full-travel) alphanumeric keyboards have keys, that are on (03) quarter inch centers “0.750 inches, 19.05 mm”,& have a key travel of at least 0.150 inches “3.81 mm”. The Desktop computer keyboards, such as the 101-key (US) traditional keyboards or the 104-key (keyboards), include alphabetic characters, punctuation symbols, numbers and a variety of function keys.

Laptop-size

The keyboards on laptops & notebook computers are usually having a shorter travel distance for the keystroke and a reduced set of keys. May be they not have a numerical keypad & the function keys or and may be placed in locations that differ from their placement on a standard, full sized keyboard.

Fold-able

Fold-able is also called flexible keyboards are made of soft plastic or silicone which can be rolled or folded on itself for travel. When in use, this keyboard can conform to uneven surfaces and  are more resistant to liquids than standard keyboards. These can also be connected to portable devices and smart phones. Some models can be fully immersed in water, making them popular in hospitals and laboratories, as they can be disinfected.