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1. Draw an E-R diagram for the following situations.
From discussions with hospital staff, reviewing hospital documents and studying existing information systems, the study team developed a list of business rules describing the policies of the hospital and nature of the hospital's operation that govern the relationships between entities. Some of the rules are:-
A facility maintains a number of laboratory(ies) : radiology, electrodiagnosis, hematology and so on. A facility contains a number of wards (obstetrics, emergency, rehabilitation, geriatrics, etc). • Each ward is assigned a certain number of staff members (nurses, secretaries, etc); a staff member may be assigned to multiple wards.
A facility staffs its medical team with a number of physicians. A physician may be on the staff of more than one facility. A physician treats patients and a patient is treated by any number of physicians. A physician diagnoses patients and a patient is diagnosed by any number of physicians. • A patient may be assigned to a ward (outpatients are not assigned to a ward). The hospital cares only about the current ward a patient is assigned to (if assigned at all). • A patient uses medical/surgical items, which are supplied by vendors. A vendor also provides supply items that are used for housekeeping and maintenance purposes. • A laboratory performs tests about patients.
Why do companies use RFPs and what benefits does use of RFP give to process of purchasing technology?
Produce an E-R diagram, which documents the entities and relationships involved in the Retail outlet of a Stationary Shop which includes sales, purchases and inventory of various stationary items etc.
How to execute software measurement? Write dwon challenges and difficulties of applying software metrics?
Explain the relationships between application development methodologies, models, and tools. Compare and contrast the various generations of programming languages.
Draw the E-R diagram which models an online bookstore. List entity sets and their primary keys. Assume the bookstore adds music cassettes and compact disks to its collection.
Write down the main ideas behind relational model? Why are they an improvement over what came before? In what ways is the relational model restrictive?
Design a class named HousePlant. A HousePlant has fields for a name (for example, "Philodendron"), a price (for example, 29.99). Create class diagram and write the pseudocode that defines the class.
Review the Personal Trainer fact-finding summary and draw an ERD with cardinality notation. Assume that system entities include members, activities and services, and fitness instructors.
Prepare a data flow diagram for computing the volume and surface area of a cylinder. Inputs are height and radius of cylinder.
Describe in details about the Systems Development Life Cycle Costs Differentiate between latency and Jitter The Protocol for Message Standards is divided into three important parts. Briefly describe each one
Create UML collaboration diagrams using Microsoft Visio or another drawing tool capable of preparing properly formatted UML collaboration diagrams.
Tellers at each branch use a four-digit numeric password, and each teller's computer is transaction-coded to accept only its authorized transactions. Carry out a risk assessment.
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