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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can. The problem is that for most of us having the newest and best is more than we will ever need. The maximum exploitation of technology exits at workplace where personal computers‚ network systems‚ Internet access‚ e-mail and telephones are easily accessible for employee’s use. Employers’ greatest risk to their computer security comes not from outside hackers but from current and former employees who intentionally or inadvertently disclose confidential or sensitive information. Employees no longer
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computing | Hardware | * Hardware before 1960 * Hardware 1960s to present * Hardware in Soviet Bloc countries | Computer science | * Artificial intelligence * Compiler construction * Computer science * Operating systems * Programming languages * Software engineering | Modern concepts | * Graphical user interface * Internet * Personal computers * Laptops * Video games * World Wide Web | Timeline of computing | * 2400 BC–1949 * 1950–1979 * 1980–1989
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Social Networking? ?-? ?perhaps you’ve heard of it before‚? ?but are not quite sure what it means.? Social networking is the grouping of individuals into specific groups‚? ?like small rural communities or a neighborhood subdivision‚? ?if you will.? ?Although social networking is possible in person‚? ?especially in the workplace‚? ?universities‚? ?and high schools‚? ?it is most popular online.? ?This is because unlike most high schools‚? ?colleges‚? ?or workplaces‚? ?the internet is filled with
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with all the modern kitchen appliances‚ he takes his vehicles‚ drives himself to his workplace. Even there‚ he has everything to relax and be comfortable to work. For his comfort‚ he has coolers‚ fans‚ air conditioners‚ heaters‚ blowers. He uses computers (even laptops)‚ fax machine‚ printers and scanners to work. The best ever inventions of human brain is internet. Internet has shortened the boundaries. We can get any information from internet. We can communicate with anyone via internet and telecommunication
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separate manual action to perform each arithmetic operation‚ to punched card machines‚ and then to stored-program computers. The history of stored-program computers relates first to computer architecture‚ that is‚ the organization of the units to perform input and output‚ to store data and to operate as an integrated mechanism. Before the development of the general-purpose computer‚ most calculations were done by humans. Mechanical tools to help humans with digital calculations were then called
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Computer Science vs. Computer Engineering Moving from High School to college is often a rollercoaster on the mind of most students. After the appliance and acceptance process‚ we then encounter a bigger question: What will our major be? As a computer and technology lover‚ I had a hard time understanding and choosing between computer science and computer engineering; even though I already knew that I wanted to study computers. People often think that studying computer science is the same as studying
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with all the modern kitchen appliances‚ he takes his vehicles‚ drives himself to his workplace. Even there‚ he has everything to relax and be comfortable to work. For his comfort‚ he has coolers‚ fans‚ air conditioners‚ heaters‚ blowers. He uses computers (even laptops)‚ fax machine‚ printers and scanners to work. The best ever inventions of human brain is internet. Internet has shortened the boundaries. We can get any information from internet. We can communicate with anyone via internet and telecommunication
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Chapter 1. Introduction to Computer Organization and Computer Evolution I. Computer Organization and Computer Architecture In describing computers‚ a distinction is often made between computer architecture and computer organization. Although it is difficult to give precise definitions for these terms‚ a consensus exists about the general areas covered by each. Computer Architecture refers to those attributes of a system visible to a programmer or‚ put another way‚ those attributes that have a
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Laptop Computer vs. Desktop Computer A laptop is a computer which is designed to be portable. Usually this entails making sacrifices in terms of performance and utility. Laptops are intended for people who travel a lot and need a computer which can go with them. A desktop computer is meant to be stationary. This usually results in a lower price and better options for upgrading. Desktops are intended for permanent workstations and generally have more power and storage capacity than laptops.
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