synchronous design
51Asynchronous systems — In a synchronous system, operations are coordinated under the centralized control of a fixed rate clock signal or several clocks. An asynchronous digital system, in contrast, has no global clock: instead, it operates under distributed control,… …
52Telechron — is the name of a US company that manufactured electric clocks between 1912 and 1992. Telechron is derived from the Greek words [http://en.wiktionary.org/wiki/tele tele ] , meaning far off, and [http://en.wiktionary.org/wiki/chronos chronos ] ,… …
53RS-232 — This article is about the RS 232 standard. For RS 232 variants, see serial port. A 25 pin connector as described in the RS 232 standard In telecommunications, RS 232 (Recommended Standard 232) is the traditional name for a series of standards for …
54Orbital station-keeping — In astrodynamics orbital station keeping is a term used to describe the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit. For many Earth satellites the effects of the non Keplerian… …
55Online tutoring — is the process of tutoring in an online, virtual environment or networked environment in which teachers and learners are separated by time and space. Online tutoring, as a reflection of the diversity of the wider Internet, is practiced using many …
56Space tether — Artist s conception of satellite with a tether Space tethers are cables, usually long and very strong, which can be used for propulsion, stabilization, or maintaining the formation of space systems by determining the trajectory of spacecraft and… …
57Ada (programming language) — For other uses of Ada or ADA, see Ada (disambiguation). Ada Paradigm(s) Multi paradigm Appeared in 1980 Designed by MIL STD 1815/Ada 83: Jean Ichbiah Ada 95: Tucker Taft Ada 2005: Tucker Taft Stable release …
58Dynamic random access memory — (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically …
59List of programming languages by category — Programming language lists Alphabetical Categorical Chronological Generational This is a list of programming languages grouped by category. Some languages are listed in multiple categories. Contents …
60Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion …
