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Respond to one or more the questions. While it is not necessary to answer every one, they are provided to give you a range of topics to meet your Discussion Board assignment objectives of quantity and quality of postings (see syllabus for grading criteria). Please note that, while interaction (frequency) is an important aspect of the quality grade, greater emphasis is on substantive content and analytic contribution based on the readings and supplemental material.
Chapter Five discusses databases. How many of you use grocery card loyalty cards to obtain discounts while shopping? This is a significant marketing opportunity for the grocers to perform data mining on your shopping patterns. What is data mining? What specific data elements are stored on your card subject to monitoring by the chain? Does this concern you from a privacy perspective?
Compare and contrast freeware, shareware and commercial software. What are the characteristics of each? Discuss examples.
Create a report by city and another by product, including details of the sales and sub-totals and totals for quantity.
Consider a memory system with a level 1 cache of 32 KB and DRAM of 512 MB with the processor operating at 1 GHz. The latency to L1 cache is one cycle and the latency to DRAM is 100 cycles.
Let L1 be a regular language and L2 be a context-free language, both defined over the same alphabet Σ.
A mobile app has to dynamically select an encryption algorithm based on security requirements and computing time constraints.
Design a hashed file of words that could be used as a spell checker. What would you use as a hash function? Would your choice of a hash function depend on the language from which the words are chosen? Why should such a file not be stored as a sequent..
Suppose when merge sorting you could recursively sort four sub-lists instead of two and still merge them all in linear time. Give the recurrence relation that describes this.
Call a unary language an arithmetic progression if it is the set { x^(m+ni) } : i >= 0 for some m and n demonstrate that if a unary language is regular , then it is the union of a finite set and a finite number of arithmetic progressions
What term was a major issue during the process of continuously dubbing media? Digitization cured this issue.
write a C++ program that calculates the distance of a golf ball fallen in with each one-seconds interval drop from airplane calculate the distance in the current time Interval (ft) and total distance the golf ball falls at the end of each interval..
1. What are the basic concepts of circuit switching? 2. What ar the advantages and disadvantages of circuit switching?
For Firm ABC, each of the relations is in 3NF. Write down two differences should exist in company policies of Firm ABC? Explain your answer.
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