LECTURE 2 COMPUTERS ARE EVERYWHERE 1 – THIS LECTURE LOOKS AT A FEW SPECIFIC AREAS of SOCIETY AND WHERE COMPUTERS ARE USED » TRANSPORT » MEDICAL WORLD » AGRICULTURE » AIRLINE TRAVEL COMPUTERS ARE EVERYWHERE 2 Computers are everywhere. Our lives are directly affected when they do not operate. Computers have infiltrated our lives so we do not know how to function without them. INFORMATION AGE 3 We live in what we call the INFORMATION AGE – Evolving more
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Classifications of Computers According to the U.S. Census "Forty-four million households‚ or 42 percent‚ had at least one member who used the Internet at home in 2000" (Home Computers 2). Today‚ no doubt‚ even more family members in the United States use computers. Most people are aware of the desktop computers which can be found in the home and in the workplace. What are the different types of computers and what are their purposes? Computers can be classified into three different categories
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A computer is an electronic device that can receive a set of instructions or program and the carry out this program by performing calculations on numerical data or by compiling and correlating other forms of information. ("Computer" Encarta). It also performs calculations and processes information with astonishing speed and precision. Computer Technology has improved our lives. It will continue to affect our future which will lead to an easier‚ less complicated lifestyle‚ with more job opportunities
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TYPES OF COMPUTERS The types of computers range from the Hybrid to the Analog types. The computers you come across in the daily course of your day range from laptops‚ palmtops and towers‚ to desktop computers‚ to name a few. But the very word “computers” reminds one of the desktop computers used in offices or homes. Different categories of computes have been devised in keeping with our varied needs. The Types Of Computers: Analog and Hybrid (classification based on operational principle)
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APPLICATION OF COMPUTERS TO SOCIETY Computers play a great role in the society. Whether at home‚ in school‚ at the mall or in the office‚ computers significantly help in the accomplishment of various tasks. Be it at work or at play‚ computers have undeniably been utilized to perform general or specific activities that enable life to be more convenient and worry-free. Computers in Business In the field of business‚ computers are very useful. They are used in keeping records of daily sales
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Computer science From Wikipedia‚ the free encyclopedia Computer science (abbreviated CS or CompSci) is the scientific and practical approach to computation and its applications. It is the systematic study of the feasibility‚ structure‚ expression‚ and mechanization of the methodical processes (or algorithms) that underlie the acquisition‚ representation‚ processing‚ storage‚ communication of‚ and access to information‚ whether such information is encoded in bits and bytes in a computer memory 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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Fundamentals of Computer Topic:- Organization of Computer ( Questions & Answers) Assignment # 3 Submitted To: Ms Anum Latif Submitted By: Fatima J.Aldeen Date: 14/09/2013 Q1) Explain the functions of input and output devices. Ans) Before knowing anything about the features of these devices‚ we should know what they basically are. The information or data that’s entered or sent to the computer to be processed is considered input and anything that is displayed from the computer is output. Therefore
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Computer addiction is a mental illness which causes the excessive use of computers to the extent that it interferes with daily life. Excessive use may explain problems in social interaction‚ mood‚ personality‚ work ethic‚ relationships‚ thought processes‚ or sleep deprivation. The Diagnostic and Statistical Manual of Mental Disorders does not include a diagnosis for such a disease. The term ′computer addiction′ originated long before the Internet. Some people develop bad habits in their computer
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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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