submit urlsubmit rss feedadd directory

article

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 ]


directory of related categories

 
Software RSS feed
Software - Twitter Search

WebAdvisor is about the least functional piece of software I've ever spent time with. Hardware we have is probably grossly inadequate, too!
jliedl (Janice Liedl) Tue, 05 Jan 2010 16:38:02 -0000
WebAdvisor is about the least functional piece of software I've ever spent time with. Hardware we have is probably grossly inadequate, too!
SuperSync says theres a new update this morning. Keeps downloading the old version. This is Craptastic software.
mumblingsages (mumblingsages) Tue, 05 Jan 2010 16:37:09 -0000
SuperSync says theres a new update this morning. Keeps downloading the old version. This is Craptastic software.
Does it cost a lot to update software..this one everybody nd their next door nighbour is advertising on here? http://myloc.me/2DM5j
flakyflakes (folake ajose adeogun) Tue, 05 Jan 2010 16:37:04 -0000
Does it cost a lot to update software..this one everybody nd their next door nighbour is advertising on here? http://myloc.me/2DM5j
Busy with a software development!
shajisv (Shaji SV) Tue, 05 Jan 2010 16:37:03 -0000
Busy with a software development!
@ryanlrussell Patches? We don't need no stinkin' patches. Besides, AAPL calls them "software updates." Patch is a dirty word in Cupertino.
mchorich (Martin Chorich) Tue, 05 Jan 2010 16:36:59 -0000
@ryanlrussell Patches? We don't need no stinkin' patches. Besides, AAPL calls them "software updates." Patch is a dirty word in Cupertino.
@RivetSoftware Prez Patrick Quinlan explains Sarbanes Oxley regulations & opportunity of XBRL software http://bit.ly/7XCBzo
BeckermanPR (BeckermanPR) Tue, 05 Jan 2010 16:36:56 -0000
@RivetSoftware Prez Patrick Quinlan explains Sarbanes Oxley regulations & opportunity of XBRL software http://bit.ly/7XCBzo <fd: client >

 
Subscribe to Software RSS feed

directory of related sites

Dexadine Inc. - Ballistics software for handloaders, reloaders, hunters, and shooters. Windows and DOS available.
Meta Description: [ Exterior ballistics software - Ballistics software for handloaders and shooters - Easy to use ballistic sortware for hunters and reloaders - Windows ballistics software - Upgrades for Ballistics Software - Notices for new ballistics software ]

EBV4 Exterior Ballistics Software - Description of a program which calculates trajectories of objects through the atmosphere.
Meta Description: [ Description of a software for exterior ballistics used by hunters, sportsmen, ballisticians and forensic scientists,Vorstellung einer Software für die Berechnung von Flugbahnkurven drallstabilisierter Geschosse ]

JBM Small Arms Ballistics - Offers downloads, calculators, equations, bibliography and links to other sources.
Meta Description: [ Ballistics calculations and formulas for small arms ]

Load From A Disk - Reloading and ballistics software for marksmen, hunters, and shooting enthusists.
Meta Description: [ Windows internal and external ballistics software for better firearm performance, highly accurate reloading, and improved marksmanship. ]

MEPlus - Muzzle energy program for reloaders that works under DOS and Windows.
Meta Description: [ A simple Muzzle Energy Program for DOS or Win 95/98. ]

Modern Ballistics - Program includes simulations of the sight picture, tracer trajectories, probabilities of hits, in addition to the usual tables and graphs of drop, velocity, and windage.

Norma Ballistics Calculator - Ballistics calculator with charts, selectable by cartridge and bullet.

Pejsa Ballistics - Ballistics software and book for precision shooters, hunters, marksmen, and the military.
Meta Description: [ A revolutionary, new simplified but superaccurate ]

Perry-Systems - Home of Exbal exterior ballistics calculator for Windows 95, 98, NT.

Pinsoft Software - Helps user find gun's optimum performance settings, or see how it performs when velocities are increased or different bullets are used.
Meta Description: [ Ballistics software for the hunter, reloader and target shooter. Try it free today! ]

Recreational Software, Inc. - Macintosh or Windows ballistics software. Chronographs for rifle and handgun shooters.
Meta Description: [ RSI's Shooting Lab ballistics & reloading software for Macintosh & Windows, CED Millennium chronographs, PressureTrace instrument, demos, loading bench tips & more... ]

ShotSoft - For managing competitions, championships, finals, or diplomas. Free demo version. Windows.
Meta Description: [ ShotSoft - Innovative Software for Sport Shooting. A powerful suit of programs that cover a broad range of competition scoring, Competitions, Championships, Finals, Diploma ]

Sight In Systems, Inc. - Helps to improve the shooting skills of center fire rifle sports shooters and hunters. Free Windows XP demo available.
Meta Description: [ Sports shooting software ]

Silhouette Ballistics - Ballistic program that may be used for all types of competitive shooting disciplines.
Meta Description: [ Make your own Bullet Ballistic Charts and Windage Tables with exact sight settings for any Long Ramge Shooting Distance, Silhouette Ballistics Software is a very versatile ballistic program that may be used for all types of shooting disciplines. Silhouette Ballistics Software calculates sight se... ]

Software related videos
Easy Way To Download YouTube Videos
Next Video
Software related videos

 

HOMEADVERTISINGABOUT US

articlesartsbusinesscomputersgameshealthhospitalshomekids & teensnewsmobilephysiciansrecreationreferenceregionalscienceshoppingsocietysportsworld


Submit a Site About Become an Editor