Information science is an interdisciplinary science primarily concerned with the analysis‚ collection‚ classification‚ manipulation‚ storage‚ retrieval and dissemination of information.[1]Practitioners within the field study the application and usage of knowledge in organizations‚ along with the interaction between people‚ organizations and any existing information systems‚ with the aim of creating‚ replacing‚ improving or understanding information systems. Information science is often (mistakenly)
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How Computers have changed our lives Imagine our life without computers is impossible. The ubiquity of these machines will show our dependence on them incorrigible. Computers were initially used only in the workplace. However‚ it soon became a household name‚ which revolutionized everything from homework to shopping. When computers were supplemented via the Internet‚ which caused a big change in how it worked. It corrected several folds in the long-distance communication. This gave an impetus
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computer ------------------------------------------------- Computational chemistry From Wikipedia‚ the free encyclopedia Computational chemistry is a branch of chemistry that uses principles of computer science to assist in solving chemical problems. It uses the results of theoretical chemistry‚ incorporated into efficient computer programs‚ to calculate the structures and properties of molecules and solids. Its necessity arises from the well-known fact that apart from relatively recent results
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INTRODUCTION Welcome to computer programming! You are about to discover an interesting and exciting world – a world of computer programming. In this unit‚ we introduce you to the concepts of basic computer programming . You will study the terms and concepts used in computer programming. We will then describe the five steps in computer programming. 2.0 OBJECTIVES At the end of this unit‚ you should be able to: 1. Understand the programming process 2. Define computer programming‚ program
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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Computer programmers put in writing‚ analysis‚ and maintain programs and/or software which run the computers; they also write programs for coding into computer language. Programmers work long hours with concentrated workloads against firm deadlines. Here is a listing of some of the tasks that Computer Programmers carry out: • Code instructions into programming languages • Debugging programs • Organize records and reports • Assisting computer operators to resolve computer issues • Train amateurs
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Outline Topic: Children and Computers I. Introduction (paragraph 1) a. Hook: “The computer has been introduced into the early childhood education programs and elementary schools at the national level.” (brainy-child‚ “computers on your children”‚ May 26‚ 2010) b. Connecting information: many children begin to use computers at an early age‚ and children can use computers in negative and positive ways. c. Thesis statement: computers effect children in positive and negative manner such
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Computers in Games and Sports Practically everybody has played sports video games on a computer. It’s fun to pick a team and see how well you can play against a “virtual” rival. However‚ the uses for computers in various games and sports go far beyond video games. If you ask a cricket bowler how he throws a ball‚ he may not be able to tell you. He may say it’s just “instinct.” It’s something that comes naturally to him. The fact is that there are ways to help bowlers become better bowlers
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of things: find information about something or somebody; find the word definitions; read different maps; read classics for literature lessons‚ etc. A few years ago people should go to the library and work with encyclopedias‚ dictionaries‚ atlases‚ books. They did a tremendous work Now we can surf the Internet and without leaving our homes we can find information in Wikipedia‚ Google Earth‚ and even read books on-line. From year to year it becomes easier to get the information we need. We have
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Introduction to the Teaching Guides Features of the Teaching Guides A practical approach Issues involved in using computers Ideas on class management Some ideas for practical application Unit 1: The evolution of computers Teaching objectives Learning outcomes Introduction for the teacher Sample lesson plan for a 40-minute period Suggested answers to end-of-unit questions Additional information for the teacher Activity sheet Test sheet Answers to activity sheet Answers to test sheet v v vi vi vi vii vii
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