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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 ]
#Sun Ray Server Software Desktop Session Handling Local Security Bypass Vulnerability: Class: Unknown redit: Sun (cont) http://tl.gd/1907l
thealuc (Aluc) Tue, 15 Dec 2009 21:26:24 -0000
#Sun Ray Server Software Desktop Session Handling Local Security Bypass Vulnerability: Class: Unknown redit: Sun (cont) http://tl.gd/1907l
Test Specialist: Mol.fi - Turku - ATR Soft Ltd is a software company founded in spring 2000. We are specialized.. http://tinyurl.com/ycscv3r
jobs4find (jobs4find) Tue, 15 Dec 2009 21:26:23 -0000
Test Specialist: Mol.fi - Turku - ATR Soft Ltd is a software company founded in spring 2000. We are specialized.. http://tinyurl.com/ycscv3r
#massage Software application teaches benefits of deep breathing - Fairfaxtimes.com http://ow.ly/169XpZ
massageresourc (MassageResource.com) Tue, 15 Dec 2009 21:26:15 -0000
#massage Software application teaches benefits of deep breathing - Fairfaxtimes.com http://ow.ly/169XpZ
Every piece of software prompts for updates - except my blackberry - but now i'm getting power drain. does it update without me knowing?
jjjrrr (John Reynolds) Tue, 15 Dec 2009 21:26:07 -0000
Every piece of software prompts for updates - except my blackberry - but now i'm getting power drain. does it update without me knowing?
RT @RedwindSoft: http://tinyurl.com/ye99ost Redwind Software - finalists in two categories: Best Newcomer With International Potential & ...
lordugg (Alan Duggan) Tue, 15 Dec 2009 21:26:03 -0000
RT @RedwindSoft: http://tinyurl.com/ye99ost Redwind Software - finalists in two categories: Best Newcomer With International Potential & ...
@mcrit41 haha. better be bloody good! This is thousands of pounds worth of software
LauraJPhoto (Laura J Nicholson) Tue, 15 Dec 2009 21:26:02 -0000
@mcrit41 haha. better be bloody good! This is thousands of pounds worth of software
About Software for Business - Checklist and directory for purchasing staff to use when planning the next software purchase for their company.
Meta Description: [ A tutorial and listing of various business software applications designed to make managing a business easier and more profitable. ]
BuyerZone.com Software - Advice, ratings, shopping tools.
Meta Description: [ BuyerZone offers software purchasing advice and free quotes on software products & services from national suppliers. ]
CNET.com - Software - Advice, ratings, prices on all kinds of software programs.
Meta Description: [ Product reviews - CNET Reviews is your home for the best unbiased reviews of computers, digital cameras, cell phones, and more. Here at CNET, we pride ourselves on delivering the best consumer reviews of technology products on the Web. ]
Epinions: Computer Software - Categorized reviews written by consumers at Epinions.com.
Meta Description: [ Epinions has the best comparison shopping information on Software. Compare prices from across the web and read reviews from other consumers on Software before you decide to buy. ]
Fuzzybox - Computer hardware, software and beta discussions. Tutorials and live discussions.
Meta Description: [ FuzzyBox, Computer news & discussion board. ]
OnlineSoftwareGuide.com - Provides business software reviews.
Meta Description: [ Your Source for Quality Business Software Reviews ]
ReviewCentre.com - Computer Software - Contributed unfiltered consumer reviews on all types of computer software.
Meta Description: [ Compare Computer Software at Review Centre. We provide reviews of a variety of PC Software from Anti-Virus Software to Free Software. We also offer a price comparison option on all the computer software on Review Centre to help you find the best prices. ]
Software Evaluations - Reviews on software, hardware and various issues relating to professionals in the graphic arts, photography, advertising, and web design industries.
Technology For All - News, reviews, tutorials, answers to common questions for various applications.
Meta Description: [ Technology For All is designed to bring together all levels of Technical skills. The web site is the source to all your informational needs. ]
The Kid's Domain Review - Software reviewed by families and teachers. Listed by title, subject, and age group.
Meta Description: [ REVIEWS of children's software. Our top picks and recommendations for fun and educational children's software. ]
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