Software Engineering A PRACTITIONER’S APPROACH phần 8 docx

... for each operation. Data structures that are appropriate for attributes and algo- rithms are represented. Classes and class attributes are designed in a manner that optimizes access to data and ... characteristics of the design that can be searched (e.g., via a database) so that an appropriate pattern can be found. Finally, guidance associated with the use of a design pattern provides a...

Ngày tải lên: 13/08/2014, 08:21

... to Software Engineering: A Practitioner's Approach, he has written A Manager's Guide to Software Engineering (McGraw-Hill), an award-winning book that uses a unique Q& ;A format to ... Software Quality Assurance 209 8. 8 Software Reliability 212 8. 8.1 Measures of Reliability and Availability 212 8. 8.2 Software Safety 213 PART ONE THE PRODUCT AND THE PROC...

Ngày tải lên: 13/08/2014, 08:21

... the change to all users. On average, programs that are maintainable will have a lower MTTC (for equivalent types of changes) than programs that are not maintainable. Hitachi [TAJ81] has used a cost-oriented ... data are collected and evaluated in an attempt to uncover indicators that can improve organizational process performance. Software process metrics can provide significant benefit...

Ngày tải lên: 13/08/2014, 08:21

... safety and hazard analysis [LEV95] are software quality assurance activ- ities (Chapter 8) that focus on the identification and assessment of potential hazards that may affect software negatively and ... be certain that you’ve assigned them work that is highly compartmentalized. CHAPTER 8 SOFTWARE QUALITY ASSURANCE ing diskettes is a trivial manufacturing operation, and we can guara...

Ngày tải lên: 13/08/2014, 08:21

... is actually a set of concurrent activities that address each of the system components separately: software engineering, hardware engineering, human engineering, and database engineering. Each ... at members.aol.com/ acockburn/papers/ OnUseCases.htm 123 456 789 * 0 off SAFEHOME away stay max test bypass instant code chime ready # armed power alarm check fire away stay instant bypass...

Ngày tải lên: 13/08/2014, 08:21

... abstract data types. For example, the Ada package is a programming language mechanism that provides support for both data and procedural abstraction. The original abstract data type is used as a ... detail contained with the databases, and many other factors make data mining dif- ficult within an existing database environment. An alternative solution, called a data warehouse, adds an add...

Ngày tải lên: 13/08/2014, 08:21

... is Boolean, one valid and one invalid class are defined. As an example, consider data maintained as part of an automated banking appli- cation. The user can access the bank using a personal computer, ... testing approach, assume that each statement in a program is assigned a unique statement number and that each function does not modify its parameters or global variables. For a statem...

Ngày tải lên: 13/08/2014, 08:21

... for software quality. Hewlett-Packard [GRA87] developed a set of software quality factors that has been given the acronym FURPS— 511 Quality Factors CHAPTER 19 TECHNICAL METRICS FOR SOFTWARE Three ... outputs (messages and sensor status) and four external interfaces (test sensor, zone setting, activate/deacti- vate, and alarm alert) are also present. These data, along with the appropr...

Ngày tải lên: 13/08/2014, 08:21

... are reassigned to applications that require additional memory. Mak- ing appropriate assumptions and using natural language, define a. The data invariant. b. The state. c. The operations that are ... pattern-based domain engineering approach that works under the assumption that every application domain has repeating patterns (of function, data, and behavior) that have reuse potential. Pol...

Ngày tải lên: 13/08/2014, 08:21

... data structure or file format. Another form of redesign, called data name rationalization, ensures that all data naming conventions conform to local standards and that aliases are eliminated as ... as a buffer that contains the last 100 records acquired from a central database. 3. For every variable (within the program) that represents an array or file, list all other variables that have a...

Ngày tải lên: 13/08/2014, 08:21