The numeric keypad is a more recent addition to the computer keyboard. The QWERTZ and AZERTY arrangements are commonly used in Europe. Each is named for the first keys in the pattern. Other layouts include ABCDE, XPeRT, QWERTZ and AZERTY. People who prefer the Dvorak layout say it increases their typing speed and reduces fatigue. The home row is the main row where you place your fingers when you begin typing. The most commonly used letters are all found along the home row. The Dvorak layout places all of the vowels on the left side of the keyboard and the most common consonants on the right. The most widely known is Dvorak, named for its creator, August Dvorak. Keyboards can also use a variety of other typing key arrangements. Some people question this story - whether it's true or not, the QWERTY pattern had long been a standard by the time computer keyboards came around. According to legend, this layout, known as QWERTY for its first six letters, helped keep mechanical typewriters' metal arms from colliding and jamming as people typed. The typing keys include the letters of the alphabet, generally laid out in the same pattern used for typewriters.
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