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Posted By: S.Yamini Member Level: Diamond Posted Date: 02 Jun 2008
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2005 Indira Gandhi National Open University (IGNOU) M.C.A Software engineering Question paper
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Test Papers / Previous Question Papers of IGNOU CS10 Software Engineering December 2005
ADCA / MCA (II Yr)
Term-End Examination
December, 2005
CS10 (S): Software Engineering
Time: 3 hours
Maximum Marks: 75
Note : Question No. 1 is compulsory. Answer any three questions from the rest.
1. (a) An independent trucking company wants to track and record its drivers driving habits. For this purpose, the company has rented a phone number and has printed the number on the front, back and sides ol all trucks owned by the company. Next to the number, the following message is written : "Please report any problem with truck or driver by calling this number". The trucking company wants you to develop a sysiem that
Collects information from callers about driver performance and behaviour as well as truck conditions.
Generates daily and monthly reports about each driver.
Reports problem that requires immediate action, to an on duty manager.
(i) Develop a SRS (System Requirement Specs).
{ii) Design DFDs up to 2nd level.
(iii) Identify the S/W modules and their functions.
(iv) Suggest a testing strategy for any one of the S/W modules proposed above. (20)
(b) Develop a procedural design for implementing Binary Search. (10)
2. (a) Elaborate the rules for designing the user interface. (3)
(b) What is cyclomatic complexity ? How can we relate this to independent paths ? Explain with suitable examples. (8)
(c) List at least 4 circumstances under which you recommend that prototyping should be useo as a means of validating system requirements. (4)
3. (a) Who should perform the validation test :
S/W developer or S/W user ? Justify your answer. (4)
(b) What is estimation ? Explain it's role in S/W planning. Explain any one cost estimation model with its merits and demerits. (8)
(c) Explain the purpose of Data Flow Dagram in S/W development process. (3)
4. (a) What are different types of coupling ? Give one example for each type. (5)
(b) Draw an E-R diagram for Hospital Management system. Also mention various entities and their attributes. (6)
(c) State true or false with reason : (4)
(i) S/W is developed or engineered, it is not manufactured in the classical sense.
(ii) S/W does not wear out.
5. Write short notes on the following with an example for each : (15)
(a) Spiral Model
(b) S/W Testing
(c) Software Maintenance
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