b and c digit selector
11AR-15 variants — This article is a review of many variations of the AR 15 family of weapons. Weapons patterned on the original ArmaLite AR 15 have been produced by numerous manufacturers and have been used by nations around the world, some of which created their… …
12ENIAC — [ Betty Jean Jennings (left) and Fran Bilas (right) operate the ENIAC s main control panel at the Moore School of Electrical Engineering. (U.S. Army photo from the archives of the ARL Technical Library)] ENIAC, short for Electronic Numerical… …
13Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
14Fender Contemporary Stratocaster Japan — Infobox Guitar model|title=Fender Contemporary Stratocaster Japan manufacturer=Fender Japan period=1984 1987 bodytype=Solid necktype=Bolt on woodbody=Tan Birch, White Basswood woodneck=Maple woodfingerboard=Rosewood or Maple bridge=Fender System… …
15Counter — This article is about the term counter used in electronics and computing. For other uses, see Counter (disambiguation). In digital logic and computing, a counter is a device which stores (and sometimes displays) the number of times a particular… …
16Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …
17MDC-1200 — Listen filename=Trucking w leading PTT ID using MDC1200.ogg title=MDC 1200 sounds description=leading push to talk ID with data muting. format=OggListen filename=TRucking leading PTT ID MDC1200 non Motorola recvr.ogg title=MDC 1200 sounds… …
18Subaru Legacy — Infobox Automobile name = Subaru Legacy aka = Subaru Liberty Subaru B4 Subaru Legacy B4 Subaru Legacy Touring Wagon manufacturer = Subaru predecessor = none parent company = Fuji Heavy Industries production = 1989 present class = Mid size (1989… …
19Crossbar switch — In electronics, a crossbar switch (also known as cross point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix manner. Originally the term was used literally, for a matrix switch… …
20Heckler & Koch G3 — G3 G3A3 Battle Rifle Type Battle rifle Place of origin …
