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Question 1:
1. Define the term ‘use case' and explain the various types of actors in a Use Case.
2. Explain the difference between the <<include>> and <<extends>> relationships in use case diagrams? Give examples
3. Describe with examples ‘encapsulation', ‘information hiding', ‘polymorphism' and ‘data abstraction'.
4. What is the difference between USDP and the Waterfall lifecycles in the relationship of between activities and phases?
5. Explain Class diagram. Outline the main steps in developing a class diagram for a Use Case(UC).
Question 2: Describe UCs and write full use case description for the following UCs:
• Start line run• Record employee joining the line• Record employee leaving the line• Stop line Question 2: Communication diagram Prepare a communication diagram for each of the UC in Q1 and also include justification of the objects included in the diagram(s). Question 3: Class Diagram Draw a class diagram based on the information supplied in the case study and the communication diagrams drawn in Question 2.
Prove that PERM=POWER P, the obvious algorithm doesn't run in polynomial time as problem size is logarithmic (and no linear) with respect to the value of t.
write a Java program for performing order matching according to the typical rules of a double auction system.
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An individual threat can be represented in more than one threat category. If a hacker hacks into a network, copies a few files.
What are some of the most important technological innovations of the past year?
The aim of this project is to exercise and test your ability to read and understand descriptions of data formats and to interpret raw data according to a particular format. In this exercise you will produce and read the dump of a ZIP file.
1.How would you overload the comparison operators == and !=? What is the format to overload these operators? 2. Class templates are typically used to replace overloaded functions. Can you compare the two?
As an IT project manager, you may take a systems view of a project.
Write a simple program in which the value, $55, is added three times HCS12
Write a commented C++ program to re-format dates. Prompt the user to input a date in the form: Sunday, January 2, 2010. Display the date in each of the following formats: January 2 was a Sunday in 2010 Sun, Jan 2 '10 2010-01-02
Write down a 2-3 page paper explaining the hardware and software utilized to support personal, workgroup, and enterprise computing in the present organization.
Implement the circuit with a 3x8 decoder and OR gates. Use a block diagram for the decoder.
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