Ebook TCPIP essentials A LabBased approach Part 2
Software Engineering For Students: A Programming Approach Part 45 pot
... dynamic typing 191 dangling else 180 dangling pointer 215 data flow design 111 data flow diagram 112 data hiding 74 data structure design 121 data structure diagram 122 data structures 213 data ... 4:34 PM Page 419 Index abstraction 99, 107 acceptance test 251, 332 activity diagrams 414 Ada 177, 189, 215, 233, 254, 393 adaptive maintenance 11 adversary team 275 agile manifesto 330 agile methods ... orthogonality 177 OSM 323 overwork 334 package diagrams 414 packages 223 pair programming 286, 334 paralysis 371 parameters 188 Pascal 393 patient monitoring system case study 113, 229, 410 patterns...
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Software Engineering For Students: A Programming Approach Part 1 docx
... 405 407 411 412 417 419 BELL _A0 1. QXD 2/2/05 3:20 PM Page vii Detailed contents Preface xix Part A G Software – problems and prospects 1. 1 1. 2 1. 3 1. 4 1. 5 1. 6 1. 7 1. 8 1. 9 1. 10 1. 11 Preliminaries ... sustainable forests BELL _A0 1. QXD 2/2/05 3:20 PM Page v Contents Preface xix Part A G Part B G 10 11 12 13 Part C G 14 15 16 17 18 Preliminaries Software – problems and prospects The tasks of software ... Design patterns Refactoring 53 67 87 10 2 11 1 12 1 13 9 15 1 16 5 Programming languages The basics Object-oriented programming Programming in the large Software robustness Scripting 17 3 17 5 200 2 21 237...
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Software Engineering For Students: A Programming Approach Part 2 potx
... Garbage collection Summary Exercises Answers to self-test questions Further reading Programming in the large 22 1 16.1 16 .2 16.3 16.4 16.5 16.6 16.7 16.8 16.9 22 1 22 3 22 4 22 6 22 6 22 7 22 9 23 0 23 2 ... programming 20 0 20 0 20 6 20 7 20 9 21 2 21 2 21 3 21 5 21 7 21 7 21 8 22 0 Introduction Encapsulation Library classes Inheritance Polymorphism Single versus multiple inheritance Generics Dynamic data structures and ... 3 92 32. 1 32. 2 32. 3 3 92 3 92 393 Introduction Software tools The world of programming languages xvii BELL _A0 1.QXD 2/ 2/05 3 :20 PM Page xviii xviii Detailed contents 32. 4 32. 5 32. 6 32. 7 32. 8 32. 9 Software...
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Software Engineering For Students: A Programming Approach Part 3 docx
... hardware and software can be a lively battleground for controversy In the early days of computers, hardware was costly and software relatively cheap Nowadays, thanks to mass production and miniaturization, ... tailor-made for a particular application (e.g software for the Apollo moon shots) The latter is sometimes called bespoke software All these types of software – except perhaps information systems – fall ... software Examples are operating systems, databases, networking software, compilers I applications software is software that helps perform some directly useful or enjoyable task Examples are games,...
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Software Engineering For Students: A Programming Approach Part 4 doc
... often as software Although this is grounds for friendly rivalry between software and hardware designers, it can be no grounds for complacency among software people There are particular applications ... reliability of software compare with the reliability of hardware? Studies show that where both the hardware and software are at comparable levels of development, hardware fails three times as ... clearly: I error – a wrong decision made during software development I fault – a problem that may cause software to depart from its intended behavior I failure – an event when software departs...
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Software Engineering For Students: A Programming Approach Part 5 ppsx
... Examples of safety critical systems: an ABS braking system on a car, a fire alarm system, a patient record system in a health center Examples of systems that are not safety critical are a payroll system, ... usual, particularly on large projects, for many activities to take place in parallel In particular, this happens once the large-scale (or architectural) design is complete It is at this stage that ... information about how to install the software, how to de-install the software and how to use it Even in the computer age, paper manuals are still welcome For general purpose software, such as a...
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Software Engineering For Students: A Programming Approach Part 6 pptx
... will examine carrying out a feasibility study of the software for an ATM, outlined in Appendix A An ATM is part hardware, part software, so we could either carry out a feasibility study for the ... systems are, arguably, socially useful and, perhaps, outside the scope of a costingbased approach How can we meaningfully assess the value of a system that allows a patient to book a medical appointment, ... for measuring value This kind of investigation is called investment appraisal or a cost-benefit analysis The organization expects a return on investment In this approach two quantities are calculated:...
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Software Engineering For Students: A Programming Approach Part 7 pot
... natural language, used as clearly and carefully as possible In this chapter we will concentrate on this approach I formal, using mathematical notation, with rigor and conciseness This approach ... unambiguous I concise I minimal I understandable I achievable I testable A number of notations and approaches are available to carry out requirement specification The notations range from informal ... one way of structuring specifications One approach to giving a clear structure to a specification is to partition it into parts Software essentially consists of the combination of data and actions...
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Software Engineering For Students: A Programming Approach Part 8 doc
... commands and/or a command line interface For example, a number of applications provide a macro facility, in which a series of commands can be grouped together, parameterized and invoked as a single ... Thus a direct manipulation interface may be the most suitable approach But an experienced and frequent user may be frustrated by an interface designed for novices and may prefer shortcut commands ... in personality, or, alternatively, would be designed to accommodate a typical personality among a class of end users A third possibility is to create an interface that is flexible and can be used...
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Software Engineering For Students: A Programming Approach Part 9 docx
... interface We assume that a decision has been taken to provide a screen that displays characters, a keyboard (with numeric keys, a cancel key and an enter key), a card reader, a printer and a cash ... that can be used to assess the quality of a completed design For example, if recoverability is important for a particular application, an assessment of this quality can be made in order to evaluate ... experiments and an understanding of human psychology and perception They serve as goals to aim for during development They can also act as quality factors (see Chapter 29 on metrics and quality assurance)...
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Software Engineering For Students: A Programming Approach Part 10 pps
... of a particular program or component and is normally stored on a backing store medium, such as disk.) A manager component is an abstract data type, maintaining data and the operations that can ... data can, of course, be shared by passing it around the program as parameters Here is the argument against global data Suppose that three components named A, B and C access some global data as ... or calling a place other than at the normal entry point accessing data within another component shared or global data method call with a switch as a parameter method call with pure data parameters...
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Software Engineering For Students: A Programming Approach Part 11 doc
... the Java library, the classes java.io.PipedInputStream and java.io.PipedOutputStream allow a producer object (data source) to send a serial stream of data to a consumer object (data sink) Ada allows ... library available to you – say the Java or C# library Assess what forms of coupling are demonstrated by the methods 6.4 Examine any software or software design that you have available How are the ... the only way to carry out programming This was not always the case At one time there was a great debate about structured programming, what it meant and whether it was a good idea This chapter reviews...
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Software Engineering For Students: A Programming Approach Part 12 pps
... structures Rather than take part in a parochial debate about the merits of a particular control structure, let us take a constructive approach If we had a free choice and a blank piece of paper, what ... that such an error is detected many levels down in a chain of method calls One way of handling the error is to create an additional parameter associated with each method call This approach can ... Some programming languages, such as Java, have solved this problem using a special mechanism for handling exceptional situations Program performance On occasions it is possible to write a program...
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Software Engineering For Students: A Programming Approach Part 13 pot
... an abstract (or virtual) machine, like a very high-level programming language This is the idea of “levels of abstraction” In order to design and understand a solution at any one level of detail, ... that grows downwards uniformly This is the breadth-first approach to design; it matches the strict, abstract machine view of software design described above An alternative approach is to pursue ... English, a single-line statement of what the software has to If the software performs several functions (as most GUI-driven software does) write down a single line for each function For example,...
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Software Engineering For Students: A Programming Approach Part 14 doc
... a warning and an alarm sounds The limits have default values, but can also be changed by the operator If a sensor fails, the screen flashes a warning and the alarm sounds The data flow diagram ... transformation before that, and so on, until we have a complete diagram 113 BELL_C09.QXD 1/30/05 4:21 PM Page 114 114 Chapter I Data flow design data read data raw data convert conversion factors ... to be carried out This diagram also shows some data stores These are drawn as open boxes and represent files or databases The difference between a data store and a data flow is that a data store...
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