Computer systems may be classified into the following groups: 1 - The supercomputers are extremely fast computers that are used in scientific research for their ability to do large amount of calculations and store large amount of data. One use of these computers is weather forecast because of the large amount of calculations involved. 2 - Mainframe computers allows several thousands of users at any time. They are used by government companies‚ airline companies for bookings‚ insurance companies
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Computer Memory Memory: Your memory does not store everything forever. The computer memory refers to computer components‚ devices and recording media that retain digital information. The computer data storage provides one of the core functions of a computer that of information retention. How a Computer Remembers: A computer has two memories‚ called RAM and ROM. ROM stands for Read Only Memory. It carries the information. The computer needs to carry out‚ it’s task‚ and it cannot be altered
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Here are some facts about a growing problem of computer addiction. Tom Wood was always irritable‚ tired and not interested in anything but his "bloody computer"‚ his father Ray Wood said. It was not until Mr Wood smashed Tom’s keyboard into 100 pieces that the 16-year-old schoolboy realised he had an obsessive dependency - computer addiction. But recent stories of children hiding with laptops under their doonas to avoid the wrath of their parents indicate that the modern day problem is
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’s world nothing can be done without a computer‚ but upon a closer look‚ you will find that it is the hardware components and input and output devices that make a computer useful. What is it that determines the speed at which a computer can find a file? How do you get a report from your PC to the members of your next Board meeting? It is the hardware that is used with your computer that allows you to accomplish all of your business needs using your computer. Data input is the collection of raw
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Improvements on common machines Computer- For most of the people‚ computer is a machine used for a calculation or a computation‚ but actually it is much more than that. Precisely Computer is an electronic device for performing arithmetic and logical operation. Or “Computer is a device or a flexible machine to process data and converts it into information.” To know about the complete process that how computer works‚ we will have to come across the various terms such as Data‚ Processing and Information
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INTRODUCTION The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological development that fundamentally changed the way computers operate. The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological
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Assignment # 01 History Of Computers Introduction To Computer Submitted by Irrum Fatima 2013-B.env-029 2nd Semester Environmental Sciences Submitted to Madiha Wahid Department of Environmental Sciences FJWU – Rawalpindi Computers Computers are the Electronic Device Have Storing Capabilities Have Processing Capabilities Give outputs against inputs Give instructions to carry out operations and then store in memories Computers made our lives easy and reliable. Now a day‚ computer becomes necessary
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The Effects of Home Computers on Educational Outcomes: Evidence from a Field Experiment with Community College Students forthcoming Economic Journal Robert W. Fairlie University of California‚ Santa Cruz rfairlie@ucsc.edu Rebecca A. London Stanford University rlondon@stanford.edu July 2011 We thank the Community Technology Foundation of California (ZeroDivide)‚ UCACCORD‚ and Computers for Classrooms‚ Inc. for funding. We thank Hardik Bhatt‚ Jesse Catlin‚ Eric Deveraux‚ Oliver
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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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Brief History of Computers (A Look Back at Computing) Computers have become one of the most important parts of modern society. Nearly everything that is modern required or uses computer related technology in some way. But how did computers as we know them come to exist? Did someone sitting in his lab just one day say‚ "Aha! I’ve got it! The computer?! Well‚ no‚ that is not how this happened. Rather‚ many years of brilliant ideas and research from many different individuals contributed
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