the other side of the tape is blank
21Unusual types of gramophone records — The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33⅓, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record, a… …
22Turing machine examples — The following are examples to supplement the article Turing machine.Turing s very first exampleThe following table is Turing s very first example (Turing 1936):: 1. A machine can be constructed to compute the sequence 0 1 0 1 0 1... ( Undecidable …
23Baudot code — The Baudot code, invented by Émile Baudot,[1] is a character set predating EBCDIC and ASCII. It was the predecessor to the International Telegraph Alphabet No 2 (ITA2), the teleprinter code in use until the advent of ASCII. Each character in the… …
24Locked room mystery — The locked room mystery is a sub genre of detective fiction wherein a crime such as murder is committed under apparently impossible circumstances typically involving a crime scene that no intruder could have entered or exited (thus locked room ) …
25Caldecott Tunnel fire — The Caldecott Tunnel fire killed seven people in the north tube of the Caldecott Tunnel, on State Route 24 between Oakland and Orinda in the US state of California just after midnight on 7 April, 1982. It is one of the few major tunnel fires… …
26List of minor EastEnders characters (2006) — The following is a list of minor characters that appeared in the BBC soap opera EastEnders in 2006, by order of first appearance. Marie Matthews Infobox EastEnders character character name=Marie Matthews actor name=Susan Cruse years=2006 appeared …
27Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
28printing — /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.… …
29Laserdisc — Not to be confused with disk laser, a flat configuration solid state laser. Not to be confused with VCD, DVD, or Blu ray, optical disc formats employing digital video encoding. Not to be confused with CED, a coincident but incompatible analogue… …
30Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
