SOFTWARE
Software is a collection of
1) Instructions (Computer programs) that when executed provide desired function and performance.
2) Data structure that enable the programs to adequately manipulate information.
3) Documents that describe the operation and use of the programs. Software is a logical entity rather than a physical system element.
Set of programs + documentation + operational manual
Software Engineering: definition.
• Definition of Engineering
Application of science, tools and methods to find cost effective solution to problems
• Definition of SOFTWARE ENGINEERING
Software engineering is a systematic approach to the development, operation maintenance and requirements of the software.
• Software engineering is the application of science and mathematics by which the capabilities of computer equipment’s are maid useful to man via computer program, procedures and associated documents.
• Software engineering is a set of 4 elements
• Tools
• Methods
• Process
• Quality.
• The technical – how tools for building a software it includes project planning estimation of the project system and software requirement analysis design of data structure architecture & algorithms procedures.
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