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Question: Define and explain a relation D on the set of all people in the following way: x D y if and only if x = y or x is a descendent of y. Determine which of the properties does this relation have? For each property, explain why the relation has the property, or give a counterexample.ReflexiveSymmetricTransitiveAntisymmetricEquivalence relationPartial order relationTotal order relation
Modularity can have a negative as well as a positive effect. A program that is overmodularized performs its operations in very small modules, so a reader has trouble acquiring an overall perspective
Draw and ERD for this situation. What attribute or attributes did you designate as the identifier for the STUDENT entity? Why?
Create an object relationship diagram that provides an overview of the system, including how textbooks are selected by instructors, approved by a department head, and sold to students by the bookstore.
Explain how Software Architecture Department can support production, inventory, sales, and marketing to assure Zilack can meet its business objectives.
What are the primary responsibilities of a system analyst? What skills do system analysts need? Discuss the role the systems analyst plays in the system development lifecycle.
Illustrate how are RFID systems used in inventory control and supply chain management? What kinds of relationships are possible in relational database?
Recognize an example of a business related report created with MS Excel. Attach a sample of the report in an Microsoft Excel file.
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.
Draw a flowchart to let a user play 10rounds of head or tail guessing game. Display how many times the player has guessed the outcomes correctly.
Design an E/R diagram for the following situation: Doctors prescribe drugs for patients. A given doctor can prescribe many drugs for a certain patient.
Create a context diagram for new system. Create a diagram 0 DFD for new system. Write brief memo that describes the significance of leveling a set of DFDs.
In Systems Analysis and Design. There are at least 2 approaches to system development, variety of life cycles, and long list of techniques.
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