CheckPoint Chapter 2 Programming Problem The manager of the Supermarket would like to be able to compute the unit price for the product sold here. To do this‚ the program should input the name and price of an item and its weight in pounds and ounces. Analysis Process: 1. Display the program title. 2. Prompt for item name. 3. Prompt for the price of item. 4. Prompt for weight of item in pounds. 5. Prompt for weight of item in ounces. 6. Convert pounds to ounces then add it to ounces.
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information systems‚ also it’s used by a team of business and systems professionals. 2. How has a systems analysis and design changed over the past four decades? 1950s: focus on efficient automation of existing processes 1960s: advent of 3gl‚ faster and more reliable computers 1970s: system development becomes more like an engineering discipline 1980s: major breakthrough with 4Gl‚ case tools‚ object oriented methods 1990s: focus on system integration‚ GUI applications‚ client/server platforms
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The construction of Object-Oriented Database Management Systems started in the middle 80 ’s‚ at a prototype building level‚ and at the beginning of the 90 ’s the first commercial systems appeared. The interest for the development of such systems stems from the need to cover the modeling deficiencies of their predecessors‚ that is the relational database management systems. They were intended to be used by applications that have to handle big and complex data such as Computer Aided Engineering‚ Computer
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OO Comparison Paper Object-oriented programming is the predominant paradigm in the software development world. Thus‚ it is important to understand how object-oriented programming works. One useful exercise may be to compare and contrast object-oriented programming to more traditional structured programming. I will do just that in this essay. We will review some history‚ give a brief overview of both paradigms‚ and discuss how they are similar and different. First it’s important to understand the
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Business Need and Approach 2 Analyze Information Environment 3 Assess Data Quality and data quality. The steps are shown in the figure and described in the box. 5 Identify Root Causes 6 Develop Improvement Plans 4 Assess Business Impact 7 Prevent Future Data Errors 9 Implement Controls 8 Correct Current Data Errors 10 Communicate Actions and Results The Ten Steps Process—Assessing‚ Improving‚ and Creating Information and Data Quality 1. Define Business
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Unit 4: Introduction to Object Oriented Programming Concepts Student Name Principles of Information Technology IT50-1101D David Reed Ph.D.‚ PMP 17th‚ May 2011 Table of Contents Abstract 3 Unit 4: Introduction to Object Oriented Programming Concepts 4 Programing Assignment 5 References 8 Abstract Object-oriented programming (OOP) is a programming paradigm using "objects" – data structures consisting of data fields and methods together with their interactions – to design
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Basic Concepts of Object-Oriented Programming 1. Classes 2. Objects 3. Data abstraction 4. Data encapsulation 5. Inheritance 6. Polymorphism 7. Dynamic Binding 8. Message Passing Student DATA Name DOB Marks …. FUNCTIONS Total Average Display …. Classes The entire set of data and code can be made as a user-defined type with the help of a class. Once a class has been defined‚ we can create any number of objects belonging to that class. A class gives a structure of what an object of its type will
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Credits: 4 Marks: 140 Part A (One mark questions) 1. The _is a systematic class framework used for the development of system tools and utilities. A. .Net Framework Class Library (FCL) B. .Net tools C. Visual Basic 2005 D. Visual Basic 6 2. The model does not offer a model for source code reuse. A. COM+ B. DCOM C. COM D. .Net 3. allow custom items of information about a program element to be stored with an assembly’s metadata. A. Properties B. Attributes C. Methods D. Classes
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n = keyboard.nextInt(); if (n > max) { max = n; } } System.out.print(max); 2. Rewrite the following event control program to while loop and for loop. Scanner keyboard = new Scanner(System.in); int total = 0; int c = 1; int n = keyboard.nextInt(); while(c<2*n) { System.out.print(" "+c); total = total + c; c = c* 2; } System.out.println(total); While loop: Scanner keyboard = new Scanner(System.in); int total‚ c‚ n;
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Compiler: A Definition Compiler‚ in computer science‚ computer program that translates source code‚ instructions in a program written by a software engineer‚ into object code‚ those same instructions written in a language the computer ’s central processing unit (CPU) can read and interpret. Software engineers write source code using high level programming languages that people can understand. Computers cannot directly execute source code‚ but need a compiler to translate these instructions into
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