keyboard

information recording

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Last updated

June 30, 2026

Quick Summary

The term "keyboard" has multiple meanings. In music, it refers to a set of keys on instruments like pianos, used to produce different notes. Historically, keyboards evolved from early organ designs, with the modern arrangement of keys gradually standardizing over time.123

In technology, a keyboard is a group of systematically arranged keys used to operate a machine or device. This includes the typewriter-like keyboard found on teleprinters, which generates coded electrical pulses to transmit messages. The act of entering data or text using such a device is also referred to as "keyboarding". Keyboards have been crucial in information processing, mechanizing text recording and enabling broader use of telegraphy.1456

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computer
Input devices
Keyboards contain mechanical or electromechanical switches that change the flow of current through the keyboard when depressed. A microprocessor embedded in the keyboard interprets these changes and sends a signal to the computer. In addition to letter and number keys, most keyboards also include “function”…
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Keyboards contain mechanical or electromechanical switches that change the flow of current through the keyboard when depressed. A microprocessor embedded in the keyboard interprets these changes and sends a signal to the computer. In addition to letter and number keys, most keyboards also include “function”…
Read More

information processing
Recording techniques
…striking the keys of a keyboard, touching a computer screen, or writing by hand on a digital tablet or its variant, the so-called pen computer. Manual data entry, a slow and error-prone process, is facilitated to a degree by special computer programs that include editing software, with which to insert…
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…striking the keys of a keyboard, touching a computer screen, or writing by hand on a digital tablet or its variant, the so-called pen computer. Manual data entry, a slow and error-prone process, is facilitated to a degree by special computer programs that include editing software, with which to insert…
Read More

human-factors engineering
Typewriter keyboard
Not all human-factors engineering and design is commercially successful. An example is the typewriter keyboard. Several alternative layouts, which are demonstrably superior from a human-factors point of view, have been proposed, beginning as far back as the 1920s. Despite test results which show that…
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Not all human-factors engineering and design is commercially successful. An example is the typewriter keyboard. Several alternative layouts, which are demonstrably superior from a human-factors point of view, have been proposed, beginning as far back as the 1920s. Despite test results which show that…
Read More