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Consider the orthogonality relation R on the set B^2 = {(0,0), (1,0), (0,1), (1,1)}, given by (x1, x2) R (y1, y2) ⇔ (x1·y1 + x2·y2) mod 2 = 0, for all (x1, x2),
(y1, y2) ∈ B^2.
(a) Show an example of a relation matrix MR representing R.
(b) Is R reflexive? symmetric? antisymmetric? transitive? Explain your answers.
You are developing the requirements for an online shopping system. To place an order, a user connects to the system, searches to find items to purchase, selects one or more items, and supplies credit card information to pay for them.
Study and explain copyright implications associated to Web site development. Write down minimum of 350 words explaining the implications of copyrights on usage of content on Web site.
What is the output of the following loop? System.out.println("+----+"); for (int i = 1; i
Write the function Xsort wich takes in a list of strings and returns sorted list with all words beginning wih "X" first in the list. f.ex: xsort (['kex', 'xylofonn', 'epli', 'xenos', 'asni']) returns ['xenos', 'xylofonn', 'asni', 'epli', 'kex']
Brenda evaluates the probability of heavy, normal, and light snowfalls as 0.25, 0.6, and 0.15, respectively. So what must be size of the order you would suggest to Brenda? Justify why.
I need to create a JSP that returns the name of the browser that is being used to display the page
1) As a member of an IT staff, how can you use social media to support e-commerce? You can search business websites to find good practices of using social media in e-commerce.
Create a PowerPoint presentation to present the findings of your research to the widget company that has hired you as a consultant. Use five or more slides that detail the recommendations you are making to the company executives.
Your company is creating a new network application that allows employees to view their pay checks subs electronically via the Internet. Should this application be connectionless or connection oriented?
Be sure to add a conclusion with a rationale detailing how risks can be mitigated. Reference your research so that Sean may add or refine this report before submission to senior management.
1) Describe the purpose of integrity constraints and identify the main types of integrity constraints on a logical data model and Give examples to illustrate your answers..
He would like his recipes to be displayed in very simple, step by step pages. Which structure would be the best for the storyboard created for one of his recipes?
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