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From Wikipedia, the free encyclopedia

A QWERTY keyboard on a laptop computer

QWERTY (pronounced /ˈkwɜrti/) is the most used modern-day keyboard layout on English-language computer and typewriter keyboards. It takes its name from the first six characters seen in the far left of the keyboard's top row of letters. The QWERTY design is based on a layout designed by Christopher Latham Sholes in 1874 for the Sholes and Glidden typewriter and sold to Remington in the same year, when it first appeared in typewriters. It was designed to minimize typebar clashes,[1] became popular with the success of the Remington No. 2 of 1878,[1] and remains in use on electronic keyboards due to the network effect of a standard layout and the failure of alternatives to provide very significant advantages.[2]


History and purposes

If two neighboring typebars are hit at the same time, a jam may result; avoiding this was the basis of the QWERTY layout.

The QWERTY keyboard layout was devised and created in the early 1870s by Christopher Latham Sholes, a newspaper editor and printer who lived in Milwaukee. With the assistance of his friends Carlos Glidden and Samuel W. Soule he built an early writing machine for which a patent application was filed in October 1867.[3]

The first model constructed by Sholes used a piano-like keyboard with two rows of characters arranged alphabetically as follows:[4]

3 5 7 9 N O P Q R S T U V W X Y Z
2 4 6 8 . A B C D E F G H I J K L M

His "Type Writer" had two features which made jams a serious issue. Firstly, characters were mounted on metal arms or typebars, which would clash and jam if neighboring arms were depressed at the same time or in rapid succession.[1] Secondly, its printing point was located beneath the paper carriage, invisible to the operator, a so-called "up-stroke" design. Consequently, jams were especially serious, because the typist could only discover the mishap by raising the carriage to inspect what he had typed. The solution was to place commonly used letter-pairs (like "th" or "st") so that their typebars were not neighboring, avoiding jams. While it is often said that QWERTY was designed to "slow down" typists, this is incorrect – it was designed to prevent jams[1] while typing at speed, yet some of the layout decisions, such as placing only one vowel on the home row, did have the effect of hobbling more modern keyboards.[5]

Sholes struggled for the next six years to perfect his invention, making many trial-and-error rearrangements of the original machine's alphabetical key arrangement in an effort to reduce the frequency of typebar clashes, and using a study of letter-pair frequency by educator Amos Densmore, brother of the financial backer, James Densmore.[1][6] Typebars corresponding to letters in commonly occurring alphabetical pairs, such as S and T, were placed on opposite sides on the disk.[7]

Eventually he arrived at a four-row, upper case keyboard approaching the modern QWERTY standard. In 1873 Sholes' backer, James Densmore, succeeded in selling manufacturing rights for the Sholes-Glidden "Type Writer" to E. Remington and Sons, and within a few months the keyboard layout was finalized by Remington's mechanics. The keyboard ultimately presented to Remington was arranged as follows:[6]

2 3 4 5 6 7 8 9 - ,
Q W E . T Y I U O P
A X & C V B N ? ; R

After it purchased the device, Remington made several adjustments which created a keyboard with what is essentially the modern QWERTY layout. Their adjustments included placing the "R" key in the place previously allotted to the full stop, thus enabling salesmen to impress customers by pecking out the brand name "TYPE WRITER" from one keyboard row.[citation needed] Vestiges of the original alphabetical layout remained in the "home row" sequence DFGHJKL.[8]

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, via a shift key.[1]

Much less commented-on than the order of the keys is that the keys are not on a grid, but rather that each column slants diagonally; this is due to the mechanical linkages – each key being attached to a lever, and hence the offset prevents the levers from running into each other – and has been retained in electronic keyboards.[citation needed]


Differences from modern layout

Latham Sholes' 1878 QWERTY keyboard layout

The QWERTY layout depicted in Sholes' 1878 patent includes a few differences from the modern layout, most notably in the absence of the numerals 0 and 1, with each of the remaining numerals shifted one position to the left of their modern counterparts. The letter M is located at the end of the third row to the right of the letter L rather than on the fourth row to the right of the N, the letters C and X are reversed, and most punctuation marks are in different positions or are missing entirely.[9] 0 and 1 were omitted to simplify the design and reduce the manufacturing and maintenance costs; they were chosen specifically because they were "redundant" and could be recreated using other keys. Typists who learned on these machines learned the habit of using the uppercase letter I (or lowercase letter L) for the digit one, and the uppercase O for the zero.[10] The exclamation point, which shares a key with the numeral 1 on modern keyboards, could be reproduced by using a three-stroke combination of an apostrophe, a backspace, and a period. The 0 key was added and standardized in its modern position early in the history of the typewriter, but the 1 and exclamation point were left off some typewriter keyboards into the 1970s.[11]

Contemporary alternatives

There was no particular technological requirement for the QWERTY layout, since at the time there were ways to make a typewriter without the "up-stroke" typebar mechanism that had required it to be devised. Not only were there rival machines with "down-stroke" and "frontstroke" positions that gave a visible printing point, the problem of typebar clashes could be circumvented completely: examples include Thomas Edison's 1872 electric print-wheel device which later became the basis for Teletype machines; Lucien Stephen Crandall's typewriter (the second to come onto the American market) whose type was arranged on a cylindrical sleeve; the Hammond typewriter of 1884 which used a semi-circular "type-shuttle" of hardened rubber (later light metal); and the Blickensderfer typewriter of 1893 which used a type wheel. The early Blickensderfer's "Ideal" keyboard was also non-QWERTY, instead having the sequence "DHIATENSOR" in the home row, these 10 letters being capable of composing 70% of the words in the English language.[8]


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. This is helpful for left-handed people.[12]

Computer keyboards

The standard QWERTY keyboard layout used in the US (some countries such as the UK and Canada use a slightly different QWERTY, see Keyboard layout)

The first computer terminals such as the Teletype were typewriters that could produce and be controlled by various computer codes. These used the QWERTY layouts, and added keys such as escape (ESC) which had special meanings to computers. Later keyboards added function keys and arrow keys. Since the standardization of PC-compatible computers and Windows after the 1980s, most full-sized computer keyboards have followed this standard (see drawing at right). This layout has a separate numeric keypad for data entry at the right, 12 function keys across the top, and a cursor section to the right and center with keys for Insert, Delete, Home, End, Page Up, and Page Down with cursor arrows in an inverted-T shape.

Diacritical marks and international variants

Different computer operating systems have methods of support for input of different languages such as Chinese, Hebrew or Arabic. QWERTY is designed for English, a language without any diacritical marks. QWERTY keyboards meet issues when having to type an accent. Until recently, no norm was defined for a standard QWERTY keyboard layout allowing the typing of accented characters, apart from the US-International layout.

Depending on the operating system and sometimes the application program being used, there are many ways to generate Latin characters with accents.

US-International Layout

The US-International layout is a QWERTY layout, slightly modified for allowing easy access to Latin characters with diacritical marks, including accents. The punctuation characters ´ (apostrophe), “ (double quote), ` (back quote), and ^ (circumflex) have a different behavior compared to the usual US QWERTY layout because they are dead keys: when pressed, nothing happens, but the character generated by the next keypress is modified. To generate the character on one of these dead keys it must be followed by pressing the spacebar, or a key which does not generate an accented character. Most characters are generated in the same way as the usual US layout, making the layout suitable for use with standard keyboards.

UK-Extended Layout

Microsoft Windows XP SP2 and above provide the UK-Extended layout that behaves exactly the same as the standard UK layout for all the characters it can generate, but can additionally generate a number of diacritical marks, useful when working with text in other languages (including Welsh - a UK language). Not all combinations work on all keyboards.

  • acute accents (e.g. á) on a,e,i,o,u,w,y,A,E,I,O,U,W,Y are generated by pressing the AltGr key together with the letter, or AltGr and apostrophe, followed by the letter (see note below);
  • grave accents (e.g. è) on a,e,i,o,u,w,y,A,E,I,O,U,W,Y are generated by pressing the backquote (`) [which is now a dead key], then the letter;
  • circumflex (e.g. â) on a,e,i,o,u,w,y,A,E,I,O,U,W,Y is generated by AltGr and 6, followed by the letter;
  • diaeresis (e.g. ö) on a,e,i,o,u,w,y,A,E,I,O,U,W,Y is generated by AltGr and 2, then the letter;
  • tilde (e.g. ã) on a,n,o,A,N,O is generated by AltGr and #, then the letter;
  • cedilla (e.g. ç) under c,C is generated by AltGr and the letter.

These combinations are designed to be easy to remember, as the circumflex accent (e.g. â) is similar to a caret (^), printed above the 6 key; the diaeresis (e.g. ö) is similar to the double-quote (") above 2 on the UK keyboard; the tilde (~) is printed on the same key as the #.

Like US-International, UK-Extended does not cater for many languages written with Latin characters, including Romanian and Turkish, or any using different character sets such as Greek and Russian.


  • The AltGr and letter method used for acutes and cedillas does not work for applications which assign shortcut menu functions to these key combinations. For acute accents the AltGr and apostrophe method should be used.

Extended characters

On the Microsoft Windows and DOS operating systems, certain characters (depending on the code page) can be reached via the ALT + <number> combination, typed on the numeric keypad. For example, on Western European systems ALT + 130 and ALT + 0233 generate the "é" character.

This system requires memorizing the character codes, use of Character Map, or having a table of the codes nearby. Moreover, a four-key combination can be time-consuming, especially when needed to access frequently used characters. Since the system is dependent on having a separate numeric keypad, it requires the "Fn" key to be held down on most notebooks.

Compose key

Systems with X11 generally have, at least as an option, a compose key which when pressed composes the next two (or more) keypresses into a single character. The keys are pressed in sequence; the compose key is not held down. For instance, the sequence Compose, ' (apostrophe), a generally produces á; Compose, t, h generally produces þ; Compose, - (hyphen), e may produce the Unicode character ē. The precise sequences available are dependent on system configuration.

Mac OS X uses a similar system, with the Option key and the key for the desired diacritical mark pressed simultaneously, followed by another key to add the base character.

International variants

Minor changes to the arrangement are made for other languages.

Alternatives to QWERTY

Several alternatives to QWERTY have been developed over the years, claimed by their designers and users to be more efficient, intuitive and ergonomic. Nevertheless, none has seen widespread adoption, due partly to the sheer dominance of available keyboards and training.[13] Although studies have shown the superiority in typing speed afforded by alternative keyboard layouts[14] economists Stan Liebowitz and Stephen E Margolis have claimed that these studies are flawed and more rigorous studies are inconclusive as to whether they actually offer any real benefits.[2] The most widely used such alternative is the Dvorak Simplified Keyboard; another increasingly popular alternative is Colemak, which is based partly on QWERTY and is therefore easier for an existing QWERTY typist to learn while offering several optimisations[15]. Most modern computer operating systems support this and other alternative mappings with appropriate special mode settings, but few keyboards are manufactured with keys labeled according to this standard.

See also


  1. ^ a b c d e f Rehr, Darryl, Why QWERTY was Invented, 
  2. ^ a b Liebowitz, Stan; Margolis, Stephen E. (1990), "The Fable of the Keys", Journal of Law and Economics 33 (1): 1–26, doi:10.1086/467198 .
  3. ^ Sholes, C. Latham; Carlos Glidden & Samuel W. Soule, "Improvement in Type-writing Machines", US 79868, issued July 14, 1868
  4. ^ Iles, 323
  5. ^ Rehr, Darryl. "Consider QWERTY". Retrieved 12 December 2009. "QWERTY's effect, by reducing those annoying clashes, was to speed up typing rather than slow it down." 
  6. ^ a b Utterback, 5
  7. ^ Campbell-Kelly (2004), 25
  8. ^ a b David, Paul A. (1985), "Clio and the Economics of QWERTY", American Economic Review 75 (2): 332–337, doi:10.2307/1805621 .
  9. ^ Sholes, Christopher Latham, US 207559, issued August 27, 1878
  10. ^ Weller, Charles Edward (1918). The early history of the typewriter. La Porte, Indiana: Chase & Shepard, printers. 
  11. ^ See for example the Olivetti Lettera 36, introduced in 1972
  12. ^ Diamond, Jared (April 1997). "The Curse of QWERTY". DISCOVER Magazine. Retrieved 2009-04-29. "More than 3,000 English words utilize QWERTY's left hand alone, and about 300 the right hand alone.". 
  13. ^ Gould, Stephen Jay (1987) "The Panda's Thumb of Technology." Natural History 96 (1): 14-23; Reprinted in Bully for Brontosaurus. New York: W.W. Norton. 1992, pp. 59-75.
  14. ^ Paul A. David, "Understanding the economics of QWERTY: the necessity of history", Economic history and the modern economist, 1986
  15. ^ Krzywinski, Martin. "Colemak - Popular Alternative". Carpalx - keyboard layout optimizer. Canada's Michael Smith Genome Sciences Centre. Retrieved 2010-02-04. 

External links


Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

See also qwerty



QWERTY (not comparable)


not comparable

none (absolute)

  1. Alternative capitalization of qwerty.

Simple English

QWERTY refers to a certain typewriter or computer keyboard layout that is commonly used in some English-speaking countries. The term comes from the fact the first 6 letters of the top row of keys are Q, W, E, R, T, and Y. The QWERTY design was patented by Christopher Sholes in 1874 and sold to E. Remington and Sons during the same year.[1]



The QWERTY layout was invented by Christopher Sholes, the inventor of the first modern typewriter. At first the letters on the typewriter were placed alphabetically. However, when the user of the typewriter learned to type quickly, the bars attached to letters became caught in one another, making the typist unstick the typebars with his hands. A business associate of Christopher named James Densmore gave the idea of splitting up the keys to speed up typing by preventing the typebars from striking the typewriter roller at the same time and sticking together. Some people say the QWERTY layout was created to slow down typing speed[2], while others say it worked by separating series of English letters.[[File:|thumb|left|300px|A QWERTY keyboard normally used in English speaking countries.]]


QWERTY was made for the English language, therefore it has no accent marks. People from other countries that used accent marks had problems. Depending on the operating system and the application being used, accents marks could be accessed. e.g., hold down the Alt key, press 1, 5, and 6, then release the Alt key to generate a character numbered 156 in some character set. Or the Control or Alt key can be used together with a letter. In some word processors, like Microsoft Word, characters with accent marks could be found under a category named "Special Characters" or something similar.[3]

International Variants

Depending on where the QWERTY keyboard was made, the keyboard may look different.

Belgian and French

The keyboards made in Belgium and France switch the letters Q and W with the letters A and Z. They also move the letter M to the right of L. These types of keyboards are called AZERTY keyboards.


Most belgian keyboards have the AZERTY keyboard layout, which is based on QWERTY.


Some of the keyboards in the Czech language use QWERTZ keyboards. They switch the Z and Y like the German version, but it uses "ů" to the right of L and ú next to P. The row that normally has numbers has the accents ě, š, č, ř, ž, ý, á, í, é. Instead, the person who uses the keyboard has to use the shift key to make numbers.


Danish and Norwegian layouts switched Æ, Ø, and Å where Swedish and Finnish the letters Ä and Ö.


Faroese keyboards add Æ and Ø next to L, and Å and Ð next to P.


German keyboards add an Ü to the right of P - and Ö, Ä to the right of L - and switch the Z and Y keys both because Z is a much more common letter than Y in German.


Icelandic layouts add Ð to the right of P, Æ to the right of L, Ö to the right of 0 in the top row and Þ to the rightmost place in the bottom row.


Italian typewriter keyboards use a QZERTY layout where Z is swapped with W and M is at the right of "L". Computers use a QWERTY keyboard with è to the right of P and ò to the right of L.


Lithuanian keyboards use a layout known as ĄŽERTY, where Ą appears in place of Q above A, Ž in place of W above S, with Q and W being available either on the far right side or by use of the Alt Gr key. Depending on the software used. Sometimes, Lithuanian symbols replace the numbers.


Portuguese keyboards maintain the QWERTY layout but add the key Ç. after the L key.The Spanish version has the letter Ñ, the Ç.


Romanian keyboards have a QWERTZ layout, swapping Y with Z. ă and î are added to the right of the letter P, while ş and ţ are added to the right of the letter L. â replaces the backslash character. Changes are also made to the upper number keys, the numbers remain the same, but some of the symbols are shuffled. The most notable change is that hyphen (-) is swapped with slash (/).


Spanish keyboards add ñ and Ñ characters to the right of the L instead of the semicolon and colon.


Turkish layouts add Ğ and Ü to the right of P, Ş and İ to the right of L, Ö and Ç to the right of M.


  1. "Patented in 1874". 
  2. Schadewald, Robert. "The Literary Piano", Technology Illustrated, December, 1982 – January 1983.


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