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Draw a level 0 data flow diagram (DFD) for the process of buying glasses. The first step is to see an eye doctor who will give you a prescription. Patient information will be stored at doctor's office. Once you have a prescription, you go to a glass store, where you select your frames and place the order for your glasses. The glass store maintains information on frames and orders. Once the glasses have been made, you return to the store for a fitting and pay for glasses. The payment information is recorder in the order. You can use any tool to draw the diagram.
Use map to define the following functions: convert-euro, which converts a list of U.S. dollar amounts into a list of euro amounts based on an exchange rate of 1.22 euro for each dollar.
Under what architecture would you classify technologies such as virtualization, cloud computing, and Web-based applications? Last, what factors are involved in selecting the architecture that is right for your organization?
Decision Tables and Dependency Diagrams
Consider the one time pad encryption scheme to encrypt a 1-bit message. Replace the XOR operation with another operation X. For which X does the resulting scheme satisfy perfect secrecy?
You should read a list of strings from a data file (using scanf), and find the minimum and maxium values of the string data. The input file format will start with a single integer that indicates how many strings will be read, and then lists those ..
The OSI model was designed to provide a framework for networking and internetworking standards. Which of the following are advantages of the OSI model? There are 4 correct answers.
give at least two real life examples ( not related to a computer system invironment) of each of these concepts:deadlock, starvation, and race. describe how the deadlocks can be resolved.
Create a new table using the column structure - From the l_foods table, list the description and price values of the following foods: hamburger, french fries, and soda. Sort the rows by description.
Assuming a 4 bit binary representation using excess 7 list all bit sequences for integers -7 to +8
Using Visual basic a tv set is bought with the loan of 563 to be paid off with five monthly payments of 116 interest is 1% per month.
Suppose Process P1 has events e11, e12, e13, e14, e15 e16 e17 P2 has events e21, e22, e23, e24, e25, e26, P3 has events e31, e32, e33, e34, e35 e36 There are message transits from e12 to e22, e24 to e15, e21 to e32, e35 to e25.
List and describe briefly the three guidelines for sound policy, as stated by Bergeron and Bérubé. Are policies different from standards? In what way? Are policies different from procedures? In what way?
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