WEEK-3 Data Abstraction Destructors • Destructors are functions without any type • The name of a destructor is the character ’~’ followed by class name – For example: ~clockType(); • A class can have only one destructor – The destructor has no parameters • Destructor automatically executes when the class object goes out of scope C++ Programming: Program Design Including Data Structures‚ Sixth Edition 2 Data Abstract‚ Classes‚ and Abstract Data Types • Abstraction – i
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What is Data Communications? Next Topic | TOC The distance over which data moves within a computer may vary from a few thousandths of an inch‚ as is the case within a single IC chip‚ to as much as several feet along the backplane of the main circuit board. Over such small distances‚ digital data may be transmitted as direct‚ two-level electrical signals over simple copper conductors. Except for the fastest computers‚ circuit designers are not very concerned about the shape of the conductor or
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whether the anticipated benefits are greater than the projected costs to develop the information system. ____ 9. Increased customer satisfaction (not measurable in dollars) is an example of a tangible benefit. ____ 10. Schedule feasibility is not a concern when the project must be completed by a specific date. ____ 11. Questionnaires are an effective method for obtaining preliminary insight into the information needs of the various stakeholders. ____ 12. The review of existing forms and reports
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describe its functionalities. Transaction processing (TPSs) monitor‚ collect‚ store‚ and process data generated from all business transactions. These data are inputs to the organization’s database. TPSs have to handle high volume and large variations in volume efficiently‚ avoid errors and downtime‚ record results accurately and securely‚ and maintain privacy and security. The backbone of most information systems applications is the transaction processing system. 2. List some drawbacks
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any browser and on Windows platform. CHAPTER 2 SYSTEM ANALYSIS 2.1 INTRODUCTION Systems analysis is a process of collecting factual data‚ understand the processes involved‚ identifying problems and recommending feasible suggestions for improving the system functioning. This involves studying the business processes‚ gathering operational data‚ understand the information flow‚ finding out bottlenecks and evolving solutions for overcoming the weaknesses of the system so as to achieve the
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COMPUTER APPLICATIONS (86) The Aim: 1. To empower students by enabling them to build their own applications. 2. To introduce students to some effective tools to enable them to enhance their knowledge‚ broaden horizons‚ foster creativity‚ improve the quality of work and increase efficiency. 3. To enable students to learn to use the World Wide Web in order to gather knowledge and communicate with students and the academic community all over the world. 4. To enable students to learn to process words
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The Journey Inside Introduction to Computers Lesson 2: Four Components of a Computer Directions: Use the http://educate.intel.com/en/TheJourneyInside/ExploreTheCurriculum/ website to complete the units in this series. Choose Intro to Computers on the gray menu bar. Choose Lesson 2 on the left side of your screen and complete the questions below after reading the paragraph‚ watching the video‚ and completing Activity 1. 1. Both a toaster and a computer have physical parts you can touch such
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UNIVERSITAS INDONESIA CASE STUDY 6 DEVELOPMENT OF METHODOLOGY FOR COMPUTER ASSISTED INFORMATION SYSTEMS AUDITING By: Mario Žgela‚ M Sc SISTEM INFORMASI DAN PENGENDALIAN INTERNAL Chitarani Kartikadewi - 1406524682 Desi Susanti - 1406524695 Karina Ayu Ditriani - 1406524713 FAKULTAS EKONOMI PROGRAM MAKSI-PPAK OKTOBER 2014 CHAPTER I SUMMARY Analysis of Some Cases Resulting in Significant Losses or Bankruptcies During 1990’s and 2000’s‚ there are several companies that severe bankruptcies or
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Computer Architecture 1. Describe Von Neumann architecture and explain why it is important. The Von Neumann architecture explains the architecture of an electronic computer. It is attributed to be root of every electronic computer that has ever been made. According to Von Neumann architecture an electronic computer has Control Unit‚ Arithmetic Logic Unit‚ Memory & Input / Output Devices. The following diagram shows this architecture:- Memory: - Memory holds both
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this? Explain. (The darker area represents Males) 4. Dexter is 45 years old and 181 cm tall. For the last 8 years‚ his doctor has charted Dexter’s mass and related it to his BMI (Body Mass Index). A BMI between 20 and 26 is considered healthy. The data is shown in the following table. Mass(kg)62 72 66 79 85 82 92 88 BMI 19 22 20 24 26 25 28 27 (a) Create a scatter plot for the data. (b) Describe any trends in the data. Explain. (c) Construct a median–median line for the data. Write
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