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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 ]
Software :: Products and Services
Geographic Information Systems :: Geography
Software :: Science
Piano Lesson: Piano Lesson Software by Andrea Monk : start playing today! http://bit.ly/5y81J4
rayhurna (Paulina Vingon) Wed, 06 Jan 2010 22:28:33 -0000
Piano Lesson: Piano Lesson Software by Andrea Monk : start playing today! http://bit.ly/5y81J4
Rock Band 2 PS3 Software Update on Thursday http://bit.ly/4xIjE3 RETWEET!!!!!
fragpoint (Video Game Reviews) Wed, 06 Jan 2010 22:28:23 -0000
Rock Band 2 PS3 Software Update on Thursday http://bit.ly/4xIjE3 RETWEET!!!!!
[Engadget] Samsung Apps opens home theater devices to software developers - Congratulations, you're now li... http://tinyurl.com/yen6wyd
testuser77 (Test User) Wed, 06 Jan 2010 22:28:17 -0000
[Engadget] Samsung Apps opens home theater devices to software developers - Congratulations, you're now li... http://tinyurl.com/yen6wyd
@shaycarl I was just wondering what video editing software you use? thanks!
jmiles6 (Jeff Miles) Wed, 06 Jan 2010 22:28:00 -0000
@shaycarl I was just wondering what video editing software you use? thanks!
Finally remembered to download new software now maybe be able to tweet more... Tweet you later
Tattoo_School (Denver Tattoo School) Wed, 06 Jan 2010 22:27:49 -0000
Finally remembered to download new software now maybe be able to tweet more... Tweet you later
Learning about some crappy video training software from Microsoft at work. Always funny to hear non production people talk about video.
jwegley (David Wegley) Wed, 06 Jan 2010 22:27:48 -0000
Learning about some crappy video training software from Microsoft at work. Always funny to hear non production people talk about video.
Dataplot Australia - Data processing for Mining Industry - Database management, plotting, data entry, image processing, and statistical analysis.
Meta Description: [ For all your computing needs ]
EarthSoft - Environmental Software Specialists. Data management systems for chemistry, geology, hydrogeology.
Meta Description: [ EarthSoft...The Environmental Software Specialists. EQuIS - Data management systems for chemistry, geology, hydrogeology. ]
GAEA Technologies - Develops and sells software for boring logs, well logs, fence diagrams, cross-sections, sieve analysis, and contaminant transport modelling.
Meta Description: [ Software for civil engineering, environmental engineering, geotechnical engineering, mining, and petroleum. ]
Gamma Design Software - Geostatistical modeling software for Windows and DOS. Provides variography, kriging, and mapping routines for spatial analysis.
Meta Description: [ Geostatistics Software for Semivariance Analysis (Variograms), Kriging, Conditional Simulation, Cokriging, and Mapping. ]
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PAZ software - Biostratigraphic and general earth sciences software. Also programs for dipmeter data, correlation, data acquisition and directional data.
Meta Description: [ Software for biostratigraphy, geology, pollen, paleontology, earth, sciences, data acquistion, dipmeter, diversity, correlation, logs, ternary, range charts, biostratigraphic, geologic, rose, flight diagrams ]
Rockmate Technical Services - Maker of software to optimize drilling and blasting in surface mines and quarries in addition to reducing the environmental impact of blasting. Other products include GPS vehicle management and ground modelling system.
RockWare - Earth Science Software - Developer and reseller of more than 300 software packages for the earth sciences. Applications include petroleum, mining, environmental, forestry, atmospheric science and archaeology.
Meta Description: [ RockWare- Golden, Colorado: geology software for the mining, petroleum, environmental and GIS industry. Earth science software for all geologic disciplines: hydrogeology/hydrology/groundwater, geochemistry, geophysics, geotechnical, stratigraphy, geography, soil science, engineering, exploratio... ]
StreamSim Technologies, Inc. - Offers software for analyzing fluid flow through large and heterogeneous geological models.
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