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Question: Discuss how you would design a database to keep track of all students at a university. Explain tables, relationships, attributes, Primary Keys, Foreign Keys, Candidate Keys. Explain minimum and maximum cardinalities for each relationship. Make sure the database is normalized.
Items to keep track of in database:
first namelast namemiddle namecitystatezipphone1phone2emailgenderbirthdatemajor(s)minor(s)club(s)organization(s)honor(s)classes takengrades in each class takentrack gpa and major gpa
Create an algorithm which will prompt for and accept four numbers, sort them into ascending sequence and display them to the screen. Your algorithm is to include a module
Using the best fit algorithm, show the state of memory after processes of 212K, 417K, 112K and 350K (in request order) arrive.
Find out whether there is an assignment of true/false values to the literals such that at least a*m clauses will be true. Note that 3-SAT(1) is exactly the 3-SAT problem. Give an O(m*n)-time algorithm that outputs a satisfying assignment for 3-S..
Discuss why does the Internet need HTTP, TCP, IP and DNS? Explain why is not the Internet Protocol enough to do the job? Please reply to these specific points of confusion.
You have been allotted task of designing an algorithm for following task. Someone has built the array of person numbers of all n students enrolled in 331 this fall.
Today ISDN cost $40 every month for BRI service which includes 1 D Channel and 2 B Channels. Every channel is capable of transmitting 64kbps of voice, data, video or fax for a total of 128 kbps.
You are given a DAG called G which is the prerequisite graph for a set of courses required for a degree. Each vertex corresponds to course. Provide a high-level description of algorithm which labels each vertex in G with minimum number of semesters..
If this message is encrypted with DES by using a random 56-bit key, determine encrypted message's entropy?
Demonstrate a decision tree or table
A group of N stations share a 56-kbps pure ALOHA channel. Every station outputs a 1000-bit frame on an average of once every one-hundred secs, even if the previous one has not yet been sent.
A local department store employee you to create an automated checkout program to expedite customers in a hurry. The checkout line can only allow 5-products for any one purchase.
Your goal is to solve the following simple programming exercise. You have been asked by your accounting department to design an algorithm determining the annual profit for your company.
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