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Computer software (or simply software) is the programs and procedures that enable a computer to perform a specific task, as opposed to the physical components of the system (hardware). This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software.
The term "software" was first used in this sense by John W. Tukey in 1957. In computer science and software engineering, computer software is all information processed by computer systems, programs and data. The concept of reading different sequences of instructions into the memory of a device to control computations was invented by Charles Babbage as part of his difference engine. The theory that is the basis for most modern software was first proposed by Alan Turing in his 1935 essay Computable numbers with an application to the Entscheidungsproblem. Hally, Mike (2005:79). Electronic brains/Stories from the dawn of the computer age. British Broadcasting Corporation and Granta Books, London. ISBN 1-86-207663-4.
Relationship to hardware
Computer software is so called in contrast to computer hardware, which encompasses the physical interconnections and devices required to store and execute (or run) the software. In computers, software is loaded into RAM and executed in the central processing unit. At the lowest level, software consists of a machine language specific to an individual processor. A machine language consists of groups of binary values signifying processor instructions (object code), which change the state of the computer from its preceding state. Software is an ordered sequence of instructions for changing the state of the computer hardware in a particular sequence. It is generally written in high-level programming languages that are easier and more efficient for humans to use (closer to natural language) than machine language. High-level languages are compiled or interpreted into machine language object code. Software may also be written in an assembly language, essentially, a mnemonic representation of a machine language using a natural language alphabet. Assembly language must be assembled into object code via an assembler. More on [ Computer software ]
@gsiemens More specific- do you need visual editor or code editor? For latter on Mac OS X nothing beats BBEdit "software that doesnt suck"
cogdog (Alan Levine) Thu, 07 Jan 2010 17:36:16 -0000
@gsiemens More specific- do you need visual editor or code editor? For latter on Mac OS X nothing beats BBEdit "software that doesnt suck"
New Blog Post: Financial Software For Forex Trading - How A Smart Robot Can Help Make You Wealthy http://the-stock-markets.info/?p=1368
factasy (factasy) Thu, 07 Jan 2010 17:36:15 -0000
New Blog Post: Financial Software For Forex Trading - How A Smart Robot Can Help Make You Wealthy http://the-stock-markets.info/?p=1368
San Diego Recruiters Roundtable: Director of Software Development (San Diego, CA) http://bit.ly/1YJ9b2 #Jobs #TweetMyJOBS
tmj_san_it (TMJ - SAN IT Jobs) Thu, 07 Jan 2010 17:36:10 -0000
San Diego Recruiters Roundtable: Director of Software Development (San Diego, CA) http://bit.ly/1YJ9b2 #Jobs #TweetMyJOBS
Aspen Avionics Announces the Release of Version 2.1 Software Upgrade Kit for ...: Albuquerque, NM, January 7, 2010... http://bit.ly/6flFwA
avionicsmasters (Vincent Sortino) Thu, 07 Jan 2010 17:36:08 -0000
Aspen Avionics Announces the Release of Version 2.1 Software Upgrade Kit for ...: Albuquerque, NM, January 7, 2010... http://bit.ly/6flFwA
Low Prices Software: Government skeptical wireless can open up broadband market: Earlier ... http://bit.ly/5NpcLq APPCRAFT
appcraftorg (appCraft.org) Thu, 07 Jan 2010 17:36:07 -0000
Low Prices Software: Government skeptical wireless can open up broadband market: Earlier ... http://bit.ly/5NpcLq APPCRAFT
Senior Software Engineer, Wales http://ff.im/-dWTor
Gwynedd_Jobs (Gwynedd_Jobs) Thu, 07 Jan 2010 17:36:07 -0000
Senior Software Engineer, Wales http://ff.im/-dWTor
Blue Marble Geographics - Offer freeware program for viewing DGN, DWG, DXF, TAB, and MIF files.
Meta Description: [ The Geographic Software Tool Company Leader in GIS software and GIS developer components ]
Click and Learn Geography Software - Download free demo. Quickly learn all 50 states or all Presidents, teaching tool for home or school.
Project GeoSim - Geography Education Software. - Software for introductory geography courses. Modules include human population, migration modeling, and quizzes.
Real World Interface - A project within Lysator, attempting to present geography-oriented information using computers.
Software and Commercial Vendors - Resources from the University of Colorado's Department of Geography.
Spatial Geo-Link - Spatial Geo-Link is Leica Geosystems distributor for Erdas Imagine products in Canada
Swamp Gas: Products for Learning US and European Geography - We provide information about Swamp Gas geography products. They can be purchased by schools and individuals.
Meta Description: [ The Easy Website Manager is a content management system (CMS) that allows anyone the ability to easily create and modify their own website. The Easy Website Manager requires no special software, only a browser and the ability to use a basic word processor. ]
Terra Viva - Digital products for education, understanding, and promotion of earth sciences, global change, and worldwide geopolitical issues
Torpedo Software - Geography map games for school and home use. Free downloads.
WinGlobe - A simple interactive globe for the desktop that can tell you what time it is in cities around the world.
ZipMath - A software package that performs distance calculations based on zipcodes. CoversUnited States and Canada locations. Runs on a web server or local Windows platform.
Meta Description: [ Low Cost Store/Dealer Locator Software. Drive customers to your nearest location. Free trial. Browser-based manager. ]
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