The Object Oriented Model The object-oriented(OO) model actually had its beginning in the 1970s‚ but it did not see significant commercial use until the 1990s. This sudden emergence came from the inability of then existing RDBMSs (Relational Database Management Systems) to deal with complex data types such as images‚ complex drawings‚ and adio-video files. The sudden explosion of the Internet and the World Wide Web created a sharp demand for mainstream delivery of complex data. An object is a
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of the average mark per section so she can see which areas were badly done by the students. She also needs to know whether this is dependent on the course in which the student is enrolled.” She has always had to collate the statistics herself using a spreadsheet but she wants the Assignment Submission System to do it for her. Task 1 Develop a Use Case capturing this scenario. Name: Report by assignment with a breakdown of the average mark per section. Actor: Dr Burns Precondition: Dr Burns
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ADVANTAGES AND DISADVANTAGES OF USING INTERNET In the history of mankind‚ the Internet is the greatest development in the domain of communication industry. Internet has tremendous potential and a lot to offer in terms of services. We can notice advantages and disadvantages of using Internet. In the beginning we can indicate some advantages. At first‚ Internet is a source of information. There is a huge amount of information available on the Internet for just about every subject known to man‚
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Object Oriented Design The object oriented design to be used CD and DVD media collection system to identify the information about the media. You will need some general information to make the system work correctly. Item CD DVD The media collection needs to have a item class to keep the general information about the media and a class to handle the media to is going to be used. Attributes are: Name‚ type and quantity. Methods
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We encounter many craft- oriented objects day to day. I do not think I really thought about how objects were made and their value in life until I received this assignment. As I was thinking about all of the things that are craft- oriented‚ I especially thought about things at work and my home. I actually work at a dress shop and I’ve thought about how those dresses were made. Every dress company has a location where they make their dresses‚ like China. Each dress is handmade and takes many
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Advantages and disadvantages of using Internet. Nowadays almost everyone in the world have had a contact with computers. A great part of them has been using international computer’s net known as Internet. I think using internet has more advantages then disadvantages. First of all‚ Internet provides access to a lot of information. Some of them are very useful in your job other helps in your hobby. Searching the net with Google‚ you can find everything you want. You can also do shopping using Internet
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People often do not see any disadvantages of having computers; I will try to show you good and bad sides of using them. In the first place‚ a computer is a really comfortable‚ convenient and helpful thing; it often makes lots of work for us which normally consumes plenty of time.Another useful thing is that computers now are often small and we can take them wherever we want. We can use them f. ex. in planes‚ restaurants or in same waiting rooms.An additional advantage of using the computer is that we
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CheckPoint: Object-Oriented Data and Processes Identify a task you perform regularly‚ such as cooking‚ mowing the lawn‚ or driving a car. Write a short‚ structured design (pseudocode only) that accomplishes this task. Think about this task in an object-oriented way‚ and identify the objects involved in the task. Identify how you can encapsulate the data and processes you identified into an object-oriented design. Describe the architectural differences between the object-oriented and structured
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Skype makes us easier to communicate with each other. Until September 2011‚ Skype has 663 million registered users around the world. I.2 Problem 1. What is Skype and what are its features? 2. How to operate Skype? 3. What are the advantages and disadvantages of using Skype? I.3 Purposes The purposes of
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Object oriented system development is an approach to system design in which the development process of the entire system is decomposed into smaller independent stages called objects. It is considered to be a partial lifecycle. Each object and its attributes are abstract entities and is characterized by its functionality. Using the functionality of objects they can further be grouped in classes. Object oriented system development is characterized by reusability of components i.e. Objects that
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