File Details:

{"filename":"pgdca-106-system-analysis-and-design-2018.pdf","description":"This file contains the P.G.D.C.A. Sixth Paper examination (System Analysis and Design) PGDCA-106 from 2018. It includes questions on topics such as information requirements and determination, characteristics of a good information system, DFD levelling, normalization, data validation, disk seek\/latency times, security measures in information systems, and headings in reports."}

Questions:

  1. What is the difference between information requirement, determination, and specification?
  2. What are the characteristics of a good information system?
  3. What is the difference between tangible and intangible benefits?
  4. What do you understand by levelling of DFD?
  5. What is normalization of a relation? What is a functional dependency?
  6. What is the purpose of a data validation program?
  7. Define Seek time and Latency time of a disk.
  8. What are the various headings used in a report? Why are they required?
  9. What is the purpose of security measures in an information system?
  10. What is the difference between a physical and a logical DFD?
  11. What is the basic difference between business data processing system and MIS? What type of information is provided by MIS?
  12. Why is feasibility analysis necessary before designing a system? What constraints should be considered during feasibility analysis for designing an information system for a hostel?
  13. Describe the general strategy an analyst should use to gather information. What are the main sources of information in an organisation? What are the methods of gathering information?
  14. What is the difference between an external entity and a process in a DFD? What is the main merit of DFD? What is the role of DFD as a documentation aid?
  15. Develop an E-R diagram for the following scenarios: (i) Customer withdraws money from their account, (ii) Students write examinations, (iii) Students attend classes, (iv) Pro forma writes books.
  16. Why are data fields coded in an information system? What are the requirements of a good coding scheme? Is a concise code comprehensive? If not, why?
  17. How are addition and deletions of records handled in a random file organisation? Is it easier to handle this in random file organisation compared to sequential file organisation?
  18. What type of output will you use for the following: (i) Strategic management, (ii) Tactical management, (iii) Operational management?
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