Toxicology A Case-Oriented Approach - part 5 pot

... (virtual circuits) and is capable of providing a variety of quality-of-service guarantees. Packets in ATM are called cells and are of fixed length (53 bytes). ATM is being used by many carriers ... layer. A virtual circuit (VC) represents an end-to-end connection with a certain set of quality-of-service parameters associated with it, such as bandwidth and error rate. Data transmit...

Ngày tải lên: 02/07/2014, 12:21

... 1/30/ 05 4:34 PM Page 422 abstraction 99, 107 acceptance test 251 , 332 activity diagrams 414 Ada 177, 189, 2 15, 233, 254 , 393 adaptive maintenance 11 adversary team 2 75 agile manifesto 330 agile ... 330 Algol 68 393 anti-patterns 151 , 161, 162 architecture 338 array list 206 arrays 194 assertions 253 assessing methods 3 85, 387 ATM case study 32, 45, 62, 154 , 157 , 158 , 300, 341, 4...

Ngày tải lên: 03/07/2014, 01:20

... object-oriented team 353 28.7 Discussion 354 Summary 355 Exercises 355 Answer To self-test question 355 Further reading 356 29 Software metrics and quality assurance 357 29.1 Introduction 357 29.2 Basic metrics ... library 409 A. 5 Patient monitoring system 410 B Glossary 411 C UML Summary 412 C.1 Use case diagrams 412 C.2 Class diagrams 413 C.3 Package diagrams 414 C.4 Activity di...

Ngày tải lên: 03/07/2014, 01:20

... except for the last in the list. An ad hoc approach is no plan at all, and no organization would admit to using such an approach. A software development project can take several years and involve tens ... carried out strictly in sequence. However, it is usual, partic- ularly on large projects, for many activities to take place in parallel. In particular, this happens once the large-scale...

Ngày tải lên: 03/07/2014, 01:20

... cases and UML use case diagrams. A use case is a textual description of a small, but complete user task. A use case diagram shows all the actors and all the use cases for a system. The main issue ... UML use case diagrams. Use cases take the point of view of the user or users of the system. A user who is carrying out a particular role is called an actor. A use case is a task...

Ngày tải lên: 03/07/2014, 01:20

... functional decomposition is to see that at any stage of decompo- sition the solution is expressed in terms of operations that are assumed to be available and provided by an abstract (or virtual) machine, ... data abstraction – an important theme that is developed in the chapters on mod- ularity, object-oriented design and object-oriented programming later in this book. The idea of abstraction...

Ngày tải lên: 03/07/2014, 01:20

... Class. 13.2 1. a house has -a roof and a door. A house is -a dwelling 2. a man (and a woman) is -a person 3. an engine has -a piston and a gearbox and an engine 4. a car and a bus is -a vehicle. Exercises • 13.1 ... “traditional” procedural languages, such as Fortran, Cobol, Ada, C++, Visual Basic, C# and Java. (Other approaches to programming languages are functional pro...

Ngày tải lên: 03/07/2014, 01:20

... formal parameter. The formal and actual parameter names are thus aliases; modification of the formal parameter automatically modifies the actual parameter. This is what you might expect of a language ... that no initial value is assigned to the local formal parameter. Ada identifies three types of parameter: ■ input parameters to allow a method read-only access to an actual parameter. The...

Ngày tải lên: 03/07/2014, 01:20

... classi- fication, we are able to associate characteristics common to all members of a class. All mammals are vertebrates (have backbones), are warm-blooded and have hair on their bodies; all metals have ... (index). But, in contrast to an array, items can be added or removed from anywhere within an array list. Also an array list grows and shrinks as necessary to accommodate the required dat...

Ngày tải lên: 03/07/2014, 01:20

... Whatever you do to an object in a program, it always retains the features it had when it was created. An object can be assigned to a variable of another class and passed around the program as a ... from a subclass to a superclass. This diagram says that both Alien and Bomb are subclasses of Sprite. The variables x, y, and size are labeled protected rather than private. This means...

Ngày tải lên: 03/07/2014, 01:20