digital switching company
81Magnetoresistive random access memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …
82Electric guitar — Fender Stratocaster String instrument Classification String instrument (plucked, either by fingerpicking, or with a pick.) …
83Microsoft — Coordinates: 47°38′22.55″N 122°7′42.42″W / …
84Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
85Ethernet — An 8P8C modular connector (often called RJ45) commonly used on cat 5 cables in Ethernet networks Ethernet   …
86CP/M — A screenshot of CP/M 86. Company / developer Digital Research, Inc. / Gary Kildall Programmed in PL/M Working state Hi …
87Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …
88Nakamichi — Corporation Limited Type Subsidiary of Grande Holdings Ltd Industry Electronics Founded Tokyo, Japan (1948) …
89Dimmer — For the New Zealand band, see Dimmer (band). A common dual dimmer manufactured by Electronic Theatre Controls (ETC) …
90AT&T — This article is about the company known as AT T since 2005 and formerly SBC. For the original AT T founded in 1885, see AT T Corporation. For the mobile telephony provider, see AT T Mobility. For other uses, see AT T (disambiguation). AT T Inc.… …
