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The letters ASDFGHJKL are the keys on the second row of a standard "QWERTY" keyboard. It is typed (usually in lower case) by running a finger over the keys from left to right. The first model constructed by Sholes used a piano-like keyboard with two rows of characters arranged alphabetically as shown below: [1] - 3 5 7 9 N O P Q R S T U V W X Y Z The \ key on the right side of the keyboard is also the same. | could also be produced by shifting the key on the left side of the keyboard. " ? are produced by shifting the same keys, but ? is mirrored to ؟. On Arabic (102) it's true also for {} which are again mirrored. Alternating hands while typing is a desirable trait in a keyboard design. While one hand types a letter, the other hand can prepare to type the next letter, making the process faster and more efficient. In the QWERTY layout many more words can be spelled using only the left hand than the right hand. In fact, thousands of English words can be spelled using only the left hand, while only a couple of hundred words can be typed using only the right hand [10] (the three most frequent letters in the English language, E T A, are all typed with the left hand). In addition, more typing strokes are done with the left hand in the QWERTY layout. This is helpful for left- handed people but disadvantageous for right-handed people.

From Windows XP SP2 onwards, Microsoft has included a variant of the British QWERTY keyboard (the "United Kingdom Extended" keyboard layout) that can additionally generate several diacritical marks. This supports input on a standard physical UK keyboard for many languages without changing positions of frequently used keys, which is useful when working with text in Welsh, Scots Gaelic and Irish — languages native to parts of the UK ( Wales, parts of Scotland and Northern Ireland respectively).Main articles: Typewriter and Sholes and Glidden typewriter Keys are arranged on diagonal columns to give space for the levers. and Ö/ö. (Æ/æ also occurs in Norwegian, Danish and Faroese, Ð/ð in Faroese, and Ö/ö in Swedish, Finnish and Estonian. In Norwegian Ö/ö could be substituted for Ø/Ø which is the same sound/letter and is widely understood). These combinations are intended to be mnemonic and designed to be easy to remember: the circumflex accent (e.g. â) is similar to the free-standing circumflex (caret) (

In this section you will also find keyboard layouts that include some additional symbols of other languages. But they are different from layouts that were designed with the goal to be usable for multiple languages (see Multilingual variants). US keyboards are used not only in the United States, but also in many other English-speaking places, (except UK and Ireland), including India, Australia, Anglophone Canada, Hong Kong, New Zealand, South Africa, Malaysia, Singapore, Philippines, and Indonesia that uses the same 26-letter alphabets as English. In many other English-speaking jurisdictions (e.g., Canada, Australia, the Caribbean nations, Hong Kong, Malaysia, India, Pakistan, Bangladesh, Singapore, New Zealand, and South Africa), local spelling sometimes conforms more closely to British English usage, although these nations decided to use a US English keyboard layout. Until Windows 8 and later versions, when Microsoft separated the settings, this had the undesirable side effect of also setting the language to US English, rather than the local orthography. acute accents (e.g. á) needed for Irish are generated by pressing the AltGr key together with the letter (or AltGr+ '– acting as a dead key combination– followed by the letter). Thus AltGr+ a produces á; AltGr+ ⇧ Shift+ a produces Á. (Some programs use the combination of AltGr and a letter for other functions, in which case the AltGr+ ' method must be used to generate acute accents).The AltGr and letter method used for acutes and cedillas does not work for applications which assign shortcut menu functions to these key combinations. In touch-typing, the second row of the "QWERTY" keyboard is known as the "home row," as that is where the four fingers of each hand return to as a base. The fingers of the left hand rest on the letters A, S, D, and F, while those of the right hand rest on H, J, K, and L.

The QWERTY layout became popular with the success of the Remington No. 2 of 1878, the first typewriter to include both upper and lower case letters, using a ⇧ Shift key. The central characteristics of the Swedish keyboard are the three additional letters Å/å, Ä/ä, and Ö/ö. The same visual layout is also in use in Finland and Estonia, as the letters Ä/ä and Ö/ö are shared with the Swedish language, and even Å/å is needed by Swedish-speaking Finns. However, the Finnish multilingual keyboard adds new letters and punctuation to the functional layout. The Swedish with Sámi keyboard allows typing not only Ø/ø and Æ/æ, but even the letters required to write various Sámi languages. This keyboard has the same function for all the keys engraved on the regular Swedish keyboard, and the additional letters are available through the AltGr key.The "primary" layout is intended for traditional users who have learned how to type with older, Microsoft-style implementations of the Romanian keyboard. The "secondary" layout is mainly used by programmers as it does not contradict the physical arrangement of keys on a US-style keyboard. The "secondary" arrangement is used as the default Romanian layout by Linux distributions, as defined in the "X Keyboard Configuration Database". [39] The UK Extended keyboard uses mostly the AltGr key to add diacritics to the letters a, e, i, n, o, u, w and y (the last two being used in Welsh) as appropriate for each character, as well as to their capitals. Pressing the key and then a character that does not take the specific diacritic produces the behaviour of a standard keyboard. The key presses followed by spacebar generate a stand-alone mark.: The E00 key (left of 1) with AltGr provides either vertical bar | ( OS/2's UK166 keyboard layout, Linux/ X11 UK keyboard layout) or broken bar ¦ ( Microsoft Windows UK/Ireland keyboard layout)

Also, on MS Windows, the tilde character "~" ( ⇧ Shift+ `) acts as a dead key to type Polish letters (with diacritical marks) thus, to obtain an "Ł", one may press ⇧ Shift+ ` L. The tilde character is obtained with ⇧ Shift+ ` Space. cedilla (e.g. ç) under c is generated by AltGr+ C, and the capital letter (Ç) is produced by AltGr+ ⇧ Shift+ C United Kingdom (Extended) Layout United Kingdom Extended Keyboard Layout for Windows United Kingdom Extended Keyboard Layout for Linux United Kingdom International Keyboard Layout for Linux

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Since Romanian hardware keyboards are not widely available, Cristian Secară has created a driver that allows Romanian characters to be generated with a US-style keyboard in all versions of Windows prior to Vista through the use of the AltGr key modifier. [42] The Icelandic keyboard layout is different from the standard QWERTY keyboard because the Icelandic alphabet has some special letters, most of which it shares with the other Nordic countries: the circumflex diacritic needed for Welsh may be added by AltGr+ 6, acting as a dead key combination, followed by the letter. Thus AltGr+ 6 then a produces â, AltGr+ 6 then w produces the letter ŵ. The following sections give general descriptions of QWERTY keyboard variants along with details specific to certain operating systems. The emphasis is on Microsoft Windows.