BT0081 - Software Engineering

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SPRING 2016 – ASSIGNMENT

PROGRAM
BSC IT
SEMESTER
4
SUBJECT CODE & NAME
BT0081 - Software Engineering
BK ID
B1090
CREDITS
4 Credits
MARKS
60


Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.



Question. 1. Explain different kinds of software applications.

Answer:Computer software is defined as a set of programs and procedures that are intended to perform specific tasks on a computer system. A software program is a set of instructions that are aimed at changing the state of computer hardware. At the lowest level, software is in the form of an assembly language, a set of instructions in a machine-understandable form. At the highest level, software is in the form of high-level languages, which are compiled or interpreted into machine language code.

Major Types of Software: Computer

Question. 2. What are the Limitations of waterfall model? Explain in brief.

Answer:The Waterfall Model was first Process Model to be introduced. It is also referred to as a linear-sequential life cycle model.  It is very simple to understand and use.  In a waterfall model, each phase must be completed fully before the next phase can begin. This type of model is basically used for the for the project which is small and there are no uncertain requirements. At the end of each phase, a review takes place to determine if the project is on the right path and whether or not to continue or discard the project. In this model the testing starts only after the development is complete. In waterfall model phases do not overlap.

Question. 3. Describe the operation of Data flow model with the help of a block diagram.

Answer:A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system, modelling its process aspects. A DFD is often used as a preliminary step to create an overview of the system, which can later be elaborated. DFDs can also be used for the visualization of


Question. 4. Explain the various activities involved in Software Reengineering process model.

Answer:Reverse engineering is the process of discovering the technological principles of a human made device, object or system through analysis of its structure, function and operation. It often involves taking something (e.g., a mechanical device, electronic component, or software program) apart and analyzing its workings in detail to be used in maintenance, or to try to make a new device or program that does the same thing without using or simply duplicating (without understanding) any part of the original.


Question. 5. Explain Black-Box Testing in detail.

Answer: Black-box testing is a method of software testing that examines the functionality of an application without peering into its internal structures or workings. This method of test can be applied to virtually every level of software testing: unit, integration, system and acceptance. It typically comprises most if not all higher level testing, but can also dominate unit testing as well.

Test procedures: Specific
Question. 6. With the help of block diagram explain how global problem solving can apply a software-driven approach to enhance the efficiency of problem solving.

Answer:Black-box testing is a method of software testing that examines the functionality of an application based on the specifications. It is also known as Specifications based testing. Independent Testing Team usually performs this type of testing during the software testing life cycle.

This method of test can be applied to each and every level of software testing such as unit, integration, system and acceptance testing.
Behavioural Testing Techniques:

There are different techniques involved in Black Box testing.

·         Equivalence Class
·         Boundary Value Analysis

Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :

  “ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601
(Prefer mailing. Call in emergency )


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