Attempt all the problems.
problem1) Describe how the computer-based information system designed to process payroll is a specific ex of a system. Be sure to account for all nine components of any system in your description.
problem2) Name various fact finding techniques. describe options for designing and conducting interviews and develop the plan for conducting an interview to determine system requirements for developing retail Point of Sale system.
problem3) List and describe different phases of information Systems Development Life Cycle (SDLC).
problem4) Describe what is meant by critical path scheduling, and describe the process of creating Gantt charts and Network diagrams. Give an ex to support your answer.
Case Study: Hospital Appointments System
A hospital runs the number of Outpatient Clinics. Patients who are referred to the hospital are given the appointment to see the particular consultant in the particular clinic. A patient may have appointments with more than one doctor in different types of clinic. Hospital has a number of Operating Theatres and each theatre is equipped to perform a number of different types of operation.
Consultants perform specific types of operation based on their area expertise. Each operation is the responsibility of one consultant. The appointments system is used for booking operations as well as outpatient’s appointments.
problem5) Identify the entities you will need to construct a database for the appointments system and show how these entities relate to each other in an entity relationship diagram.