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Person typing on a laptop keyboard Video of typing on a notebook computer keyboard. Typing is the process of writing or inputting text by pressing keys on a typewriter, computer keyboard, mobile phone, or calculator. It can be distinguished from other means of text input, such as handwriting and speech recognition. Text can be in the form of ...
Typing on a laptop keyboard. A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
Competitive typist Albert Tangora demonstrating his typing in 1938. Touch typing (also called blind typing, or touch keyboarding) is a style of typing.Although the phrase refers to typing without using the sense of sight to find the keys—specifically, a touch typist will know their location on the keyboard through muscle memory—the term is often used to refer to a specific form of touch ...
This type of keyboard is portable enough to be easily used with PDAs and cellphones, and many models have retractable cords and wireless capabilities. However, this design is prone to error, as accidental disruption of the laser will generate unwanted keystrokes. This type of keyboard's inherent lack of tactile feedback makes it often undesirable.
A typewriter being used to type "Wikipedia" A typewriter is a mechanical or electromechanical machine for typing characters. Typically, a typewriter has an array of keys, and each one causes a different single character to be produced on paper by striking an inked ribbon selectively against the paper with a type element.
The QWERTY keyboard introduced on the Sholes & Glidden typewriter in 1874 was designed for purely mechanical reasons and the chances of the keys striking each other and jamming was more limited with this configuration. Because the Blickensderfer used the typewheel, the "scientific" keyboard layout could be used for maximum typing efficiency. [2]
The behavioral biometric of keystroke dynamics uses the manner and rhythm in which an individual types characters on a keyboard or keypad. [4] [5] [6] The user's keystroke rhythms are measured to develop a unique biometric template of the user's typing pattern for future authentication. [7]
Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard, [2] and, along with Samuel W. Soule, Carlos Glidden and John Pratt, has been contended to be one of the inventors of the first typewriter in the United States. [3] [4] [5] He was also a newspaper publisher and Wisconsin ...