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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CHAPTER ONE COMPUTER SYSTEM FUNDAMENTALS 1.1 Computer System as a Universal Tool A computer system is an electronic device that accepts inputs; transform the input through some processes to obtain output or information that can aid effective decision making. Information originated from raw data which by its own simple definition is any raw fact or figure that can be subjected to a form of manipulation before it can be trusted for decision making. Data can originate from various sources depending
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Steve Jobs 11/11/2010 Emrah Rustamov Steve Jobs Walter Isaacson‚ the author of the novel Steve Jobs‚ has written a series of popular biographical and autobiographical books. Walter Isaacson wrote a book about Einstein which all of us know him as the theoretical physicist. The book is called Einstein after his name. It is New York Times bestselling biography of Albert Einstein. The novel Steve Jobs is a biography of Steve Jobs. Let’s start talking about the cover it is pure
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New graduate - new job Summer turns most people’s thoughts to holidays‚ but those leaving university or school will be thinking about the big‚ wide world of work. Whatever job you decide to tackle first‚ it will prove to be a valuable training ground. Filing or typing memos may not be your idea of a great career move‚ but be prepared to learn these lowly tasks. You may have a top degree‚ but no boss will hire you if you can’t answer the telephone in a proper manner. Most graduates and school
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5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
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HISTORY AND APPLICATIONS OF COMPUTERS || INTRODUCTION When more than one thing is needed to work together before an action can take place‚ we say we have a system. The computer needs several things before it can be used to solve problems. Therefore‚ we say the computer is a system. We may have systems around us even in our body. How we eat or what happens to the food we eat is a system. This is called the Digestive System. We need mouth‚ tongue‚ teeth and stomach for us to make good
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In our society today‚ computer technology plays an important role in many form of business‚ especially in the field of accounting. As technology advances‚ not only does the use of computers penetrates individual’s everyday life‚ it also helps to mange and improve many business operations from service‚ manufacturing to retail. Ken‚ an accounting graduate‚ works as an accounting clerk at Advance Manage‚ a service operation located in Markham‚ Ontario. The small business is in the form of a partnership
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Computers in Society Today computers are a part of everyday life‚ they are in their simplest form a digital watch or more complexly computers manage power grids‚ telephone networks‚ and the money of the world. Computers are a relatively new invention. The first computers were built fifty years ago and it is only in the last thirty or so years that their influence has affected our everyday life. Personal computers were introduced as recently as the early eighties. In this short time they
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to the industry. Goal Strengthen the governance structure and system of SDC to ensure the efficient and effective implementation of different programs and services towards the enhancement of a quality education. The Purpose of Job Analysis The need of having a job analysis for guidance counselor in Surigao Doctors College is inspired from the school mission and vision by nurturing a caring relationship between student and
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Summary The job of waiting on tables in a busy restaurant demands a good deal of stamina and dedication to customer satisfaction. It’s a job which is perfect for the friendly‚ outgoing person who enjoys the social aspects of working and can provide the all important extra service to the dining experience. A good character combined with a sense of when to approach and when not to‚ are all important in this job. With modern tills and hand-held card services there are often duties which require the
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