Lecture 1. Software Engineering Introduction‚ Objectives‚ Professional and ethical responsibility Objectives 1. To introduce software engineering and to explain its importance 2. To set out the answers to key questions about software engineering .3. To introduce ethical and professional issues and to explain why they are of concern to software engineers Software engineering The economies of ALL developed nations are dependent on software. More and more systems are software controlled.
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Table of Contents Glass’ Law 3 Example 3 Boehm’s first law 3 Example 4 Boehm’s second law 4 Example 4 Davis’ law 5 Waterfall model 5 Spiral Model 7 Waterfall model with Glass’ Law 8 Waterfall model with Boehm’s First Law 9 Waterfall model with Boehm’s Second Law 9 Waterfall model with Davis Law 10 Spiral model with Glass Law 10 Spiral model with Boehm’s First Law 11 Spiral model with Boehm’s Second Law 11 Spiral model with Davis’ Law 11 Waterfall Model 12 Examples where
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much more… Software Engineering 2 Unit 1 syllabus • Introduction to Software Engineering : The evolving role of software‚ Changing Nature of Software‚ Software myths. • A Generic view of process : Software engineering- A layered technology‚ a process framework‚ The Capability Maturity Model Integration (CMMI)‚ Process patterns‚ process assessment‚ personal and team process models. 3 INDEX Unit-1 S.No Topic Lecture No PPTSlides Introduction to software Engineering:
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Software Metric Software metric is a measure of some property of a piece of software or its specifications. Since quantitative measurements are essential in all sciences‚ there is a continuous effort by computer science practitioners and theoreticians to bring similar approaches to software development. The goal is obtaining objective‚ reproducible and quantifiable measurements‚ which may have numerous valuable applications in schedule and budget planning‚ cost estimation‚ quality assurance testing
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Software crisis is a term used in the early days of software engineering. The term was used to describe the impact of rapid increases in computer power and the complexity of the problems which could be tackled. This was with regards to the difficulty in writing correct‚ understandable and verifiable_ computer programs_. VERIFIABLE:-With regards to hardware and software systems‚ a formal verification is the act of proving or disproving the correctness of intended algorithms underlying a system
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Chapter 1 – Software and Software Engineering Overview Software is designed and built by software engineers. Software is used by virtually everyone in society. Software is pervasive in our commerce‚ our culture‚ and our everyday lives. Software engineers have a moral obligation to build reliable software that does no harm to other people. Software engineers view computer software‚ as being made up of the programs‚ documents‚ and data required to design and build the system. Software users are
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Computer software‚ be it the brain behind our VCR or the program created specifically to run a country’s missile defense system‚ are an absolutely integral part of helping to make our day-to-day lives that much less complicated. But when your blender comes screaming to life in your sleep‚ or your bank somehow “loses” your life savings and says “you only have 37 cents in that account”‚ who is to blame? According to liability laws that have been in question since the birth of what might be considered
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Software Testing Carnegie Mellon University 18-849b Dependable Embedded Systems Spring 1999 Authors: Jiantao Pan mailto:%20jpan@cmu.edu Abstract: Software testing is any activity aimed at evaluating an attribute or capability of a program or system and determining that it meets its required results. [Hetzel88] Although crucial to software quality and widely deployed by programmers and testers‚ software testing still remains an art‚ due to limited understanding of the principles of software
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LARGE SCALE SOFTWARE DEVELOPMENT 1. What are the fundamental activities that are common to all software processes? a. Specification – defining what the system should do; b. Design and implementation – defining the organization of the system and implementing the system; c. Validation – checking that it does what the customer wants; d. Evolution – changing the system in response to changing customer needs. 2. List the 3 generic
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Computer software can be divided into two main categories: application software and system software. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems‚ Inventory Control‚ Manage student database‚ Word Processor‚ Spreadsheet and Database Management System etc. Application software consists of the programs for performing tasks particular to the machine’s utilization. Examples of application software include spreadsheets‚ database systems
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