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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.

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Bludgeonsoft - Small and unusual experimental audio software, usable for live performances.
Meta Description: [ A collection of tiny and strange experimental audio and music freeware and shareware primarily geared toward live performance. ]

Cakewalk - Featuring programs like Sonar and Project5 and other synths and effects.
Meta Description: [ Cakewalk offers a range of professional tools for Windows-based music and sound production. ]

Deepsound - JavaScript sample calculators, time-stretch, pitch-shifting, sample length, delays, sampling rates, and durations.
Meta Description: [ 120 mp3 de JC Lemay, musicien compositeur arrangeur de trip hop, electro, dub, rnb, ambient etc... ]

Evolution - Music software and hardware for the PC. Demos available.
Meta Description: [ M-Audio (formerly Midiman) is a leading provider of digital audio and MIDI solutions for today's electronic musicians and audio professionals. ]

FlexiMusic - Programs to generate, compose, edit, compress and DJ. Downloads available. Windows.
Meta Description: [ FlexiMusic creates audio and music making software. FlexiMusic Wave Editor for audio editing, FlexiMusic Composer for composing music, FlexiMusic Kids Composer for children to make music, FlexiMusic Generator is to create unique sounds and FlexiMusic Orchestra for hobby musician ]

GMEDIA Music - Developing virtual instruments, effects and utilities. Products description, technical support, distribution and purchasing information.

Harmony Central - Covers product announcements and industry news, reviews and links.
Meta Description: [ A musician's community with discussion forums; industry news; guitar tabs, user reviews on music gear; articles by Craig Anderton and Jon Chappell; buying guides; instrument classifieds; NAMM, AES, and Musikmesse videos; resources for bands and musicians. ]

Hit Squad - Many free music software downloads. Many guitar links plus tab, online discussion forums.
Meta Description: [ 6000 music software titles to download, discussion forums, 1000 great guitar sites, 2000 Guitars database, News, MP3, TABs, Sheet Music, Books, & heaps more ]

InTime - Interactive tempo and beat-tracking program from Circular Logic. For practice and live performances. MIDI save option.

iPodder - iPodder is small program that runs on your computer. Its only purpose is to download audio files, usually mp3s, directly to an mp3 device.

iPodderX - Podcast client and newsreader for Mac OS X.

Mixman - DJ mix/remix software for creating music live or in session.

Native Instruments - Several synths, samplers, effects and sound libraries. Features, audio samples, demos, support area.
Meta Description: [ Native Instruments: The Future of Sound. Software for musicians and DJs: Reaktor, Kontakt, Battery, Absynth, FM8, B4, Pro-53, Spektral Delay, Vokator, Traktor, Guitar Rig ]

PG Music - Makers of Band-in-a-Box, PowerTracks, Modern Jazz Pianist, Latin Pianist, others for Mac and IBM.
Meta Description: [ The Home of PG Music Inc., makers of Band-in-a-Box, PowerTracks Pro Audio and other great MIDI music software programs for Windows and MAC. ]

Phonature Visualization Technology - For PocketPC, Palm, and mobile phones. Includes PhonTuner, Visual Guitar tuner, HandDee-SA spectrum analyser.

Singing Electrons, Inc. - Audio products and utilities, audio software development services.
Meta Description: [ Audio and music software development, sales, and free downloads of products such as wave editors, equalizers, and effects generators. ]

Steinberg - Includes Cubase, Wavelab, Nuendo, plug-ins, and synthesizers. Win, Mac, and Silicon Graphics.
Meta Description: [ Steinberg is known the world over for its professional media solutions. The company has been developing, manufacturing and selling software products for musicians and producers in the music, film, post production, and multimedia industries since 1984. Steinberg products are used by Grammy® and O... ]

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