COMPILER BLOG FOR STUDENTS

COMPUTER SCIENCE
CS – 307(401)
(Information Systems)
1. a. Define and explain computer – based information systems with an example.
b. If the Bank uses a manual system, explain how the system deals with the various tasks of their customers. If computerized system is used, how is the data entered into the system? Also what information does the system provide?
c. Find out what sort of information needs to be held about each customer. Wrote a list of the information and explain for each one why it is held.
2. a. Why is systems analysis necessary?
b. What qualities should a system analysis have? How would you acquire these qualities?
c. Describe the main activities of system development.
3. a. Describe the main components of system development life cycle (SDLC).
b. Why has the prototyping become important in the context of systems design?
c. In order to solve problem using computer system an analyst needs to know in details about the existing system and user requirements. Describe the methods of fact finding with an example of each.
d. What are the various systems analysis tools and why more than one tool is needed at a time?
4. A shoe company wants to maintain records of CUSTOMER, ORDER, PRODUCT – STOCK and SUPPLIER. As a system analyst you need to develop the computer system: --
a. Mention the main attributes of the entity – CUSTOMER, ORDER, STOCK and SUPPLIER.
b. Explain the 1st, 2nd and 3rd normalization process on the attributes of each entity.
c. Show how the data / information flow between the various sections in the company using data flow diagram.
d. Show the E – R diagram of the entities using appropriate symbol.
5. a. Name and describe the three stages of testing for an information system.
b. What is needed to support an effective documentation system?
c. Why is modeling important?
d. Where would structure system models be used in the systems simplification?
6. a. Using top – down design approach draw a structure chart for a payroll program.
b. What are the advantages of combining all modeling components into one object?
c. What are the important components of a use case?
7. a. What is Crisis in business today? What role does information technology play in business?
b. What are the major challenges to the development of global information system?
c. Mention the main four strategies for global business.
8. Write short notes on any four in the following –
a. Information systems methodologies
b. Systems tools and techniques
c. Management information systems (MIS)
d. Information systems in business
e. Testing and debugging
f. Technologies needed for information systems.