subtract circuit
41Echo cancellation — The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone call. In addition to improving subjective quality, this process increases the… …
42Honeywell v. Sperry Rand — Honeywell, Inc. v. Sperry Rand Corp., et al. 180 USPQ 673 (D. Minn. 1973) (Case 4 67 Civil 138, 180 USPO 670) was a landmark U.S. federal court case that in April 1973 invalidated the 1964 patent for the ENIAC, the world s first general purpose… …
43Level of support for evolution — The level of support for evolution among scientists, the public and other groups is a topic that frequently arises in the creation evolution controversy and touches on educational, religious, philosophical, scientific and political issues. The… …
44chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
45geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
46Code division multiple access — This article is about a channel access method. For the mobile phone technology referred to as CDMA, see IS 95 and CDMA2000. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM  …
47Scrambler — For other uses, see Scrambler (disambiguation). In telecommunications, a scrambler is a device that transposes or inverts signals or otherwise encodes a message at the transmitter to make the message unintelligible at a receiver not equipped with …
48FLOPS — Computer performance Name FLOPS yottaFLOPS 1024 zettaFLOPS 1021 exaFLOPS 1018 petaFLOPS 1015 teraFLOPS 1012 gigaFLOPS 109 megaFLOPS 106 kiloFLOPS …
49Barrel shifter — A barrel shifter is a digital circuit that can shift a data word by a specified number of bits in one clock cycle. It can be implemented as a sequence of multiplexers (MUX), and in such an implementation the output of one MUX is connected to the… …
50City of Boerne v. Flores — Supreme Court of the United States Argued February 19, 1997 Decided June 25 …
