![]() ![]() The most popular layout is called QWERTY, which is based on the first six letters on them. Most computer keyboards have the keys in six rows, but some laptops use only five or even four rows to save space. There are also different ways the keys on a keyboard are arranged, usually to deal with different regions and languages of the world. In between these two types, an ergonomic keyboard is made to be easier for people to type for long periods of time, without hurting their hands or arms. Gaming keyboards also need fast reaction times. ![]() On the other hand, video game players often like keyboards with keys that move a lot, so that they feel the key working. They can be based on the way the keys work for example, laptops have keys that do not move a lot, because the keyboard has to be very thin in order to fit inside the laptop. This picture shows the way keys are laid out on a keyboard in the United States. Most wired 21st century keyboards connect to a USB socket on the computer, but older ones use a round, purple DIN connector. Some of the most common shortcuts on Windows programs are: Ctrl + C, to copy some text or a picture Ctrl + V, to paste what was copied and Ctrl + F, to find a certain word on a document or web page.Ī keyboard can be joined to a computer using a wire, but can also be wireless (like those that use Bluetooth). Special commands can also be activated through combinations of keys, called keyboard shortcuts. Different computer operating systems use different special keys, or use them differently. ![]() The computer then shows the character on the screen, usually at the place where the flashing text cursor is.īesides entering characters, computer keyboards also have special keys that change the symbol (such as shift or caps lock) or give the computer special commands (such as the arrow keys, CTRL and ALT). ![]() When one of these are pushed, an electrical circuit is closed, and the keyboard sends a signal to the computer that tells it what letter, number or symbol it would like to be shown on the screen. Using a keyboard is often called typing.Ī keyboard contains many mechanical switches or push-buttons called "keys". It is one of the most used input devices for computers. 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. ![]()
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