equivalent keys
11Circle of fifths — showing major and minor keys …
12Diatonic and chromatic — Chromatic redirects here. For other uses, see Chromatic (disambiguation). Melodies may be based on a diatonic scale and maintain its tonal characteristics but contain many accidentals up to all twelve tones of the chromatic scale, such as the… …
13Diminished seventh chord — on C  Play ( …
14Option key — The Option key may be labeled Alt, or Option, or both, and sometimes the symbol. The Option key is a modifier key present on Apple keyboards. It is located between the Control key and Command key on a typical Mac keyboard. There are two option… …
15printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
16Bloom filter — The Bloom filter, conceived by Burton H. Bloom in 1970, is a space efficient probabilistic data structure that is used to test whether an element is a member of a set. False positives are possible, but false negatives are not. Elements can be… …
17Keyboard layout — QWERTY keyboard on a laptop. A keyboard layout is any specific mechanical, visual, or functional arrangement of the keys, legends, or key–meaning associations (respectively) of a computer, typewriter, or other typographic keyboard. Mechanical… …
18Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… …
19Comparison of programming languages (mapping) — Programming language comparisons General comparison Basic syntax Basic instructions Arrays Associative arrays String operations …
20keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… …
