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IAS

1.
Aeronautics. indicated air speed.
2.
Institute for Advanced Studies.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for IAS

IAS

abbreviation
1.
indicated air speed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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IAS in Technology

1. The first modern computer. It had main registers, processing circuits, information paths within the central processing unit, and used Von Neumann's fetch-execute cycle.
The IAS machine's basic unit of information was a 40-bit word and the memory had 4096 words. A word stored in memory could represent either an instruction or data. Each IAS instruction was twenty bits long, so that two instructions could be stored in each 40-bit memory location. Each instruction consisted of an 8-bit operation code and a 12-bit address that could identify any of 2^12 locations that may be used to store an operand of the instruction.
The CPU consisted of a data processing unit and a program control unit. It contained various processing and control circuits along with a set of high-speed registers for the temporary storage of instructions, memory addresses, and data.
The main actions specified by instructions were performed by the arithmetic-logic circuits of the data processing unit. An electronic clock circuit was used to generate the signals needed to synchronise the operation of the different parts of the system.
[Who? Where? When? Implemented using what?]
2. Immediate Access Storage.
(2003-10-24)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Related Abbreviations for IAS

IAS

indicated air speed
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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