A. three
B. four
C. five
D. one
Explanation: The four layers are: Subsystem layer, class and object layer, message layer and responsibilities layer
Related Mcqs:
- In Design phase, which is the primary area of concern ?
A. Architecture
B. Data
C. Interface
D. All of the mentioned - The importance of software design can be summarized in a single word which is___________________?
A. Efficiency
B. Accuracy
C. Quality
D. Complexity - Choose the option that does not define Function Oriented Software Design ?
A. It consists of module definitions
B. Modules represent data abstraction
C. Modules support functional abstraction
D. None of the mentioned - Function-oriented design techniques starts with functional requirements specified in_______________?
A. SDD
B. SRS
C. All of the mentioned
D. None of the mentioned - A design description in OOD includes___________________?
A. Protocol Description
B. Implementation Description
C. Type Description
D. both Protocol and Implementation Description - A design description of an object is known as a class__________________?
A. instance
B. object
C. case
D. both instance and object - Grady Booch, James Rumbaugh, and Ivar Jacobson combined the best features of their individual object-oriented analysis into a new method for object oriented design known as _____________________?
A. HTML
B. XML
C. UML
D. SGML - Who designs and implement database structures ?
A. Programmers
B. Project managers
C. Technical writers
D. Database administrators - Java packages and Fortran subroutine are examples of__________________________?
A. Functions
B. Modules
C. Classes
D. Sub procedures - What encapsulates both data and data manipulation functions ?
A. Object
B. Class
C. Super Class
D. Sub Class
