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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 ]
Apple software allows unauthorised access to Eircom broadband networks http://cli.gs/SWyn8
Seymour0zrv (Erwin Seymour) Fri, 06 Nov 2009 00:48:23 -0000
Apple software allows unauthorised access to Eircom broadband networks http://cli.gs/SWyn8
BitDefender Antivirus 2010 - Free Download Software http://bit.ly/268s6n
cleanupregistry (Izrul Fizal) Fri, 06 Nov 2009 00:47:56 -0000
BitDefender Antivirus 2010 - Free Download Software http://bit.ly/268s6n
Awesome website! If you reformat and want to download a ton of software all in one shot go here: http://www.ninite.com
TheCyberPirate (The Cyber Pirate) Fri, 06 Nov 2009 00:47:25 -0000
Awesome website! If you reformat and want to download a ton of software all in one shot go here: http://www.ninite.com
making beats with the new program Soncic Producer Software
iMARQUITOS (Marquitos Valencia) Fri, 06 Nov 2009 00:47:16 -0000
making beats with the new program Soncic Producer Software
â Chess news, tournaments, articles, reviews, videos, software... http://eca.sh/CN
xadrez_total (Xadrez Total) Fri, 06 Nov 2009 00:47:02 -0000
♔ Chess news, tournaments, articles, reviews, videos, software... http://eca.sh/CN
All Mac Users: Download over $150 worth of Mac Software for FREE for a week at http://macheist.com -- RT THIS
abrad45 (Alex Bradley) Fri, 06 Nov 2009 00:46:56 -0000
All Mac Users: Download over $150 worth of Mac Software for FREE for a week at http://macheist.com -- RT THIS
Design Imaging Services - Logmaker design 3D CAD software for log home kits and plans - design log homes with plans, 3D models, and bill of materials.
Meta Description: [ log home designs, planss and concepts - floorplans, consulting, construction blueprints, 3D models ]
MY-Rakennus Oy - Many of our dreams and fantasies have their beginning in old traditions. Log house building too, is based in centuries of experience and craftsmanship.
The Story of Dick Proenekke and how he built a cabin by hand in the wilderness - Bob Swerer Productions presents Alone in the Wilderness, the video story of Dick Proenneke building a cabin by hand in the Alaskan wilderness.
Meta Description: [ Bob Swerer Productions presents Alone in the Wilderness,
the story of Dick Proenneke building a cabin in the wilderness using only basic hand tools. ]
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