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Question:
(a)
(i) Using examples from the case study or otherwise, explain the following concepts:
• Encapsulation • Specialization • Polymorphism
(ii) Discuss the advantages of the above concepts with respect to software development.
(b) Using a diagram, define the phases of the Unified Development Process. Describe, briefly, the activities and deliverables of each phase.
(c) Briefly describe how the CRC (Class-Responsibility-Collaboration) index card approach may be used in Object Oriented Analysis. List two advantages and two disadvantages of using CRC in systems analysis.
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using a DFD 0 - level and 1
What are interrupts In a microprocessor system, there are three main types of interrupt that cause a break in the normal implementing of a program
Is there ever a case when the generic activities of the software engineering process don’t apply?
What is meant by Data dictionary? The Data dictionary is a prepared listing of all data elements that are pertinent to the system, with precise, rigorous explanations so that b
State about the Elementary Modeling Techniques A model illustrating bare minimum requirements is known as Essential Model. It has two components: a) Environmental model B)
Q. Why is SRS also known as the blackbox specification of system ? Ans: SRS document is a contract among the development team and the customer once the SRS document is approv
Testing is a process of implementing a program with the intent of finding an error. Various level of testing are : Unit Testing Integrating testing Valida
why are older data models are being replaced by new data models
RAD Model Rapid Application Development Model is the part of incremental model. Achieves the high speed development using component based construction. Phases
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