(duplicated) notes
21Hash function — A hash function is any well defined procedure or mathematical function for turning some kind of data into a relatively small integer, that may serve as an index into an array. The values returned by a hash function are called hash values, hash… …
22Thai language — Thai ภาษาไทย phasa thai Pronunciation [pʰāːsǎːtʰāj] Spoken in Thailand, Northern Malaysia, Cambodia, Southern Burma, Laos, USA, Canada …
23Catch-22 — For other uses, see Catch 22 (disambiguation). Catch 22   …
24Communications protocol — For other senses of this word, see Protocol. A communications protocol is a system of digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications. A protocol may have a formal… …
25Homology (biology) — For use of the term homologous in reference to chromosomes, see Homologous chromosomes. The principle of homology: The biological derivation relationship (shown by colors) of the various bones in the forelimbs of four vertebrates is known as… …
26Film preservation — Stacked containers filled with reels of film stock. The film preservation, or film restoration, movement is an ongoing project among film historians, archivists, museums, cinematheques, and non profit organizations to rescue decaying film stock… …
27Compound engine — For compound steam locomotives, see Compound locomotive. Cutaway of triple expansion compound steam engine, 1888 …
28Moon landing — For other uses, see Moon landing (disambiguation). Still frame from the video transmission of Neil Armstrong stepping onto the surface of the Moon at 02:56 UTC on 21 July 1969. An estimated 500 million people worldwide watched this event,… …
29White shoe firm — is a phrase used to describe the leading professional services firms in the United States, particularly firms that have been in existence for more than a century[citation needed] and represent Fortune 500 companies. It typically but not always… …
30Ojibwe writing systems — A sign in Sioux Lookout, Ontario, with Ojibwe syllabics. The unpointed syllabics text says ᑳᐃᔑᐊᓉᐱᓈᓂᐗᐣᐠ (Gaa izhi anwebinaaniwang the place where people repose )…but with the last ᐧ / w missing from the sign. Ojibwe is an Native American language… …
