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A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...
Picture of a Guitar phím lõm Đàn lục huyền cầm in cải lương art gallery. The đàn lục huyền cầm (chữ Hán: 彈六絃琴) (literally "lute with six strings"), or colloquially đàn ghi-ta phím lõm (literally ghi-ta "guitar", + phím "fret", + lõm "sunken"), is a scalloped Vietnamese adaptation of the French guitar.
Keyboard construction of a typical notebook computer keyboard, in four layers. The technology of computer keyboards includes many elements. Many different keyboard technologies have been developed for consumer demands and optimized for industrial applications.
The modern Dvorak layout (U.S.) Dvorak / ˈ d v ɔːr æ k / ⓘ [1] is a keyboard layout for English patented in 1936 by August Dvorak and his brother-in-law, William Dealey, as a faster and more ergonomic alternative to the QWERTY layout (the de facto standard keyboard layout).
ANSI QWERTY keyboard layout (US) Remington 2 typewriter keyboard, 1878 A laptop computer keyboard using the QWERTY layout. QWERTY (/ ˈ k w ɜːr t i / KWUR-tee) is a keyboard layout for Latin-script alphabets.
Typing on an iPad's virtual keyboard. A virtual keyboard is a software component that allows the input of characters without the need for physical keys. [1] Interaction with a virtual keyboard happens mostly via a touchscreen interface, but can also take place in a different form when in virtual or augmented reality.
The Polish alphabet. Grey indicates letters not used in native words (Q, V, and X). The Polish alphabet (Polish: alfabet polski, abecadło) is the script of the Polish language, the basis for the Polish system of orthography.
Circular law conjecture in random matrix theory: a conjecture, established by Terence Tao and Vietnamese mathematician Vũ Hà Văn, asserts that for large random matrices with i.i.d. entries of zero mean and unit variance, the scaled eigenvalues asymptotically follow a uniform distribution over the unit disk in the complex plane, regardless of the specific distribution of the matrix entries.