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Question:
(a) Briefly explain the following concepts:
(i) Encapsulation and its advantages (ii) Abstract class and its use (iii) Polymorphism and its advantages
(b) Object oriented software development promotes class reuse. Explain how this is achieved and give two advantages and two disadvantages of class reuse.
(c) Briefly outline the facilities provided by a generic CASE tool to perform Object Oriented analysis and design. You may refer to an example of a CASE tool you have used during your course.
Iterative Enhancement Model This model was developed to remove disadvantages of waterfall model. In this model, phases of software development remain the same however the cons
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
What is a software version? A software version is a start release (or re-release) of a software associated with a done compilation (or recompilation) of the software.
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
Q. Explain the bath tub curve of hardware reliability? Ans: As indicated in the diagram below there are three phasing in the life of whichever hardware component that is burn
Explain the design principles. The design process should not endure from tunnel vision. The design should be traceable to the analysis model. Design should not re
EXPLAIN ABOUT DEFECT AMPLIFICATION AND REMOVAL IN SOFTWARE ENGINEERING
Application Design: Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and d
Function testing of OO software is no dissimilar than validation testing of procedural software. Client involvement is generally part of this testing stage. In OO environment use c
Question 1 What do you mean by system's state of equilibrium? Also illustrate the process of stabilising system Question 2 Explain the concept of Planning and Design in syste
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