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Study Pn Evolution of Computer Software

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STUDY ON EVOLUTION OF COMPUTERS

STUDY ON EVOLUTION OF SOFTWARE
Introduction

Computer software, or just software, is any set of machine-readable instructions that directs a computer's processor to perform specific operations. The term is used to contrast with computer hardware; the physical objects carry out the instructions. Hardware and software require each other and neither has any value without the other.
The first theory about software was proposed by Alan Turing in his 1935 essay Computable numbers with an application to the Entscheidungsproblem (decision problem). Colloquially, the term is often used to mean application software. In computer science and software engineering, software is all information processed by computer system, programs and data. The academic fields studying software are computer science and software engineering.
The types of software include web pages developed in languages and frameworks like PHP, Perl, JSP or ASP.NET and desktop applications like OpenOffice.org, Microsoft Word developed in languages like C, C++, Objective-C, Java, C#, or Smalltalk. Application software usually runs on underlying software operating systems such as Linux or Microsoft Windows. Software (or firmware) is also used in video games and for the configurable parts of the logic systems of automobiles, televisions, and other consumer electronics.
Software evolution is the term used in software engineering (specifically software maintenance) to refer to the process of developing software initially, then repeatedly updating it for various reasons. In the late 1960s it became clear that in order to cope with the rising complexity of software systems, more disciplined techniques were needed. This need gave rise to the first international conference on Software Engineering, organized by the NATO Science Committee, in

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