The key board is uesd to type information into the computer or input information. There are many different keyboard layouts and sizes with the most common for Latin based languages being the QWERTY layout (named for the first 6 keys).
The standard keyboard has 101 keys. Notebooks have embedded keys accessible by special keys or by pressing key combinations (CTRL or Command and P for example). Ergonomically designe keyboards are designed to make typing easier
Some of the keys have a special use. There are referred to as command keys. The 3 most common are the Control or CTRL, Alternate or Alt and Shift keys through there can be more (the Windows key for example or the command key). Each key on a standard keyboard has one or two characters. Press key to get the lower character and hold Shift to get the upper.
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