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Question: Assume you wish to keep a record of everything you have in your house. You could use a sequential data document to keep track of common items such as 'cloths'. The sequential file may contain multiple fields with the different types of descriptions of your close such as pants, shirts, shorts, etc.
If the problem is simple one should use a sequential or relational file and if the problem is complex one should choose to use a database?
What are entity-relationship diagrams, and how are they used? Discuss the ethical issues to consider when planning a database.
Assume a flash storage device is used instead of disk, and it has seek time of 1 microsecond and transfer rate of 40 MB per second. Recompute the cost of sorting the relation in seconds.
A college course may have one or more scheduled sections, or may not have a scheduled section. Attributes of COURSE include Course_ID, Course_Name, and Units.
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.
Create a program using C++ or Java that will automatically generate x numbers between a range provided by the user? For purposes of this project, the range can be 1-20 and store them in an array.
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.
Then sort arrays so that records are in descending order by purchase amount for month. Output lists the names of the top five customers.
Question 1. Explain five types of information systems, and give an example of each. Question 2. Describe three common reasons for a systems request. Try and find one not listed in the text.
Create the graphical representation of Newick format tree given below. Label each leaf with appropriate sequence identifier, and label each branch with its appropriate length.
Structure of such two-stack data type would consist of two arrays and two top pointers. Describe why this may not be a spacewise efficient implementation.
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.
Discuss the advantages and disadvantages of the new algorithm compared with the eager decision tree algorithm, and the advantages and disadvantages of the new algorithm compared with the lazy kNN algorithm.
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