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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 ]
RT @rwang0: Recession not bad for all Ent Software Users @chriskanaracus http://bit.ly/85A2r6 #software #infor #epicor #oracle #sap #ERP
Epicor (Epicor) Fri, 11 Dec 2009 21:41:50 -0000
RT @rwang0: Recession not bad for all Ent Software Users @chriskanaracus http://bit.ly/85A2r6 #software #infor #epicor #oracle #sap #ERP
@RoryNewbery what software were u using??
slamingsalsa (jo ashley) Fri, 11 Dec 2009 21:41:40 -0000
@RoryNewbery what software were u using??
This Year's Most-Hacked Software: Adobe PDF Reader http://is.gd/5k7oT /via @grossberg
luigimontanez (Luigi Montanez) Fri, 11 Dec 2009 21:41:36 -0000
This Year's Most-Hacked Software: Adobe PDF Reader http://is.gd/5k7oT /via @grossberg
RT @OCriador O hardware do cérebro humano é perfeito. O problema é que o software é uma versão demo.
ZehSouza (Zé Souza) Fri, 11 Dec 2009 21:41:36 -0000
RT @OCriador O hardware do cérebro humano é perfeito. O problema é que o software é uma versão demo.
yesterday felt like friday from the get go (and included usual friday software glitches etc). 2day's a void. must be the gap btw fri and sat
sema4 (James Cornthwaite) Fri, 11 Dec 2009 21:41:36 -0000
yesterday felt like friday from the get go (and included usual friday software glitches etc). 2day's a void. must be the gap btw fri and sat
http://tinyurl.com/yd4eag8 Advanced English Grammar Software Breaking News
qoclick (Villa) Fri, 11 Dec 2009 21:41:29 -0000
http://tinyurl.com/yd4eag8 Advanced English Grammar Software Breaking News
BSI - Broadcast Software International - Digital Automation software. Downloadable for evaluation purposes.
Meta Description: [ Broadcasters from around the World rely on Simian, BSI's affordable play out and automation software solution especially for small and medium market radio stations, web casters and in-store entertainment. ]
Internet Radio Broadcasting 101 - Introduction to webcasting and the rest of the IRB curriculum.
Meta Description: [ Search the power of About's network of topics ]
IRB 205 - Describes the Destiny Station real-time audio streaming software.
Meta Description: [ Search the power of About's network of topics ]
500
Liquid Audio - Liquid Audio Player Software official site.
QuickTime - Apple's multi-platform, industry standard multimedia software architecture.
Radio Destiny Broadcaster - Free internet radio broadcast software.
Meta Description: [ Easy-to-use Internet radio broadcasting software for any PC. ]
RealNetworks - The standard for audio and video streaming online.
StationPlaylist.com - Station automation software. Create playlists for internet radio stations.
Meta Description: [ Radio Automation Broadcasting Software - Low Cost Professional Radio & Internet Broadcasting Solutions (program) ]
Streaming21 - Media-on-demand and streaming software.
Windows Media Technology - Microsoft's streaming media platform.
Meta Description: [ Find Windows Media downloads, product support, and community resources. ]
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