System Analysis and Software Engineering - B.C.A 17 - 20 Sem 4 Feb 2019

SAINTGITS COLLEGE OF APPLIED SCIENCES

First Internal Assessment Examination, FEB 2019

Department of  BCA, Semester IV

System Analysis And Software Engineering

Time    : 2 hours                                                                           Total:50 Marks

Section A

Answer any 5 questions. Each question carries 2 marks.

1. The establishment and use of sound engineering principles in order to obtain economically developed software that is reliable and works efficiently on real machines

2. A graphical representation of the structure of an organization showing the relationships of the positions or jobs within it.

3. The establishment and use of sound engineering principles in order to obtain economically developed software that is reliable and works efficiently on real machines

4. Program: Set of instructions

   Software: Programs, documents and any other procedures for its operations

5. Process: Set of activities for developing the software

    Product: The final product of software process.

6. SDLC: Software Development Life Cycle

                                                                                                                        (5 X 2 = 10 marks)

                                                                        Section B

Short essay questions

Answer any 5 questions. Each question carries 5 marks.

7. Information System Levels

·         Definition of Information system (2 marks)

·         Explain Operational, lower, middle, top-level ( 3 marks each for explanation)

8. Explain about organization chart and organization function list (2 ^1/2 marks each)

9. A system analyst is a person responsible for the development of software and hardware solution to the efficient working of the organization. Roles are: Defining IT requirements, gathering data or facts, analyzing the problem, setting priority among requirements, problem solving, drawing specification, designing system and evaluating system. (definition 1 mak, 4 marks for explanation)

10. Software characteristics

·         Definition of software (1 mark)

·         Characteristics are(i) Does not wear out (ii) Is not manufactured (iii) Reusability of components (iv) software is flexible (1 mark each for explanation)

11.  RAD model developed by IBM.

·         Explanation and (3 mark)

·         Diagram (2 marks)

12. Evolutionary process model

·         General explanation (3 marks)

·         Prototyping and spiral definitions (2 marks)

(5 X 5 = 25 marks)

Section C

Long essay questions

Answer any 1question. It carries 15marks.

13. Waterfall Model

·         SDLC definition (1 mark)

·         Waterfall model Definition (1 mark)

·         Diagram (3 marks)

·         Explanation of phases (7 marks)

·         Limitations (3 marks)

14. Selection of a life cycle model

·         Definition of Life cycle (1 mark)

·         Characteristics listing (2 marks)

·         Explanation of each of the 4 characteristics using table (3 marks each)

(1 X 15 = 15 marks)