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System Analysis and Design-Computer Science-BSC-Nagpur-Summer-2019

Bachelor of Science (B.Sc.) Semester-2 Examination
COMPUTER SCIENCE (System Analysis and Design)

Optional Paper—1
Time : 3 Hours
Maximum Marks : 50

N.B. :— (1) All questions are compulsory and carry equal marks.
(2) Draw well labelled diagram wherever necessary.


1. (a) Define system in brief and explain components of computerized information system. [5M]

(b) Draw system development life cycle and explain its phases in brief. [5M]


(c) What is feasibility study ? Explain organizational and technological feasibility. [5M]

(d) What is questionnaire ? Design a questionnaire to know the internet awareness program
among different age group users. [5M]


2. (a) Explain basic objective of input design and guideline of input design. [5M]

(b) Construct Decision Table for the following problem :
A computer file has customer name, type, bill number, bill date, amount and date of
payment. If the customer is a dealer and pays his bills within 30 days, 10% discount is
allowed. If it is 30 to 45 days, discount and surcharge is zero. If he pays after 45 days, he
has to pay 10% surcharge. The corresponding percentages for a manufacturer are 10%, 0,
12.5%. [5M]


(c) What is form design ? Explain types of form and write principles of form design. [5M]

(d) What is Decision Tree ? Construct Decision Tree for :
Co-operative Bank has the following policy on deposit :
(1) On deposit of Rs. 10,000 /- and above and for 3 years or above, interest 15%.
(2) On the same deposit for period less than 3 years 12%.
(3) On deposit below Rs. 10,000 /- interest 10% regardless of the period of deposit. [5M]


3. (a) Why is training important ? Describe training methods in brief. [5M]

(b) Write objective of system testing and explain any three types of testing. [5M]


(c) What is system conversion ? List conversion method and explain any two methods. [5M]

(d) Explain requirement of system evaluation and sources for evaluation. [5M]


4. (a) What is project planning ? Explain different factors considered in project planning. [5M]

(b) What is software maintenance ? Give different characteristics of software maintenance. [5M]


(c) Write a short note on project monitoring and control. [5M]

(d) Write notes on :

(i) Software Reliability

(ii) ISO 9000. [5M]

5. (a) What is cost benefit analysis ? Explain in brief. [2½M]

(b) Explain system tolerance in system design. [2½M]

(c) How to make planning to implement change ? [2½M]

(d) Write a short note on Risk Management. [2½M]

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