HISTORY OF COMPUTER Abacus - The First man-made computing device. - It can perform addition and subtraction - invented in China Pascal’s calculating machine/Pascaline - The first mechanical calculator - Invented by Blaise Pascal - Can perform addition & subtraction Leibnitz calculator - First general-purpose calculating machine - Extended version of Pascal Calculating machine - Can perform multiplication and Division - Invented by Gottfried Leibnitz Automatic
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The computer technology became a very important aspect in human lives that is greatly relied upon. Nowadays personal computers are made quite affordable and allow for easy and fast way to access information and solve problems in daily life. Life is a continuous information interchange and technological progress helps accelerate this exchange. However‚ people are so dependable on computers that they do not realize the impact it has on literacy. Computer literacy is essential in our modern society
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What is a computer: A computer is an electronic device that executes the instructions in a program. A device that accepts data‚ processes the data in accordance with the stored program‚ generates results and usually consists of input‚ output‚ storage‚ Airthmatic logic and control units. A computer has four functions: a. accepts data Input: Data or information written into the computer by user The Information Processing Cycle b.processes data Processing: The calculations performed according
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Table of Contents Introduction 2 Methodologies 2 Literature Review 3 Wired Connection 3 Dial-Up 3 ADSL/DSL 3 Fiber Optic 4 Wireless Connection 5 Fixed Wireless 5 Wimax 5 Mobile Internet 7 Analysis 7 Findings 8 Advantages 8 Recommendation 9 Conclusion 9 Introduction In the early nineties‚ Bangladesh had access to email via dialup to Bulletin Board Systems (BBS) of a few local providers. The combined Internet users of all the email-only service providers were not
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Computer Technology Computer Technology Technology has helped us in every phase of life since the beginning of time. From the invention of the simple calculator to the Internet‚ technology has been a great factor on the way our civilization has grown. With more and more technological advances just around the corner‚ our civilization will continue to grow faster and faster than ever before. After the invention of the computer this world did many inventions in a short time with the help of technology
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Getting to know each other! .January 3‚ 2010 at 10:33amTo do this‚ go to “notes” under tabs on your profile page‚ paste these instructions in the body of the note‚ type your title as "Getting to know each other!"‚ tag 25 people including me (tagging is done in yethe right hand corner of the app) then click publish. 1. What time did you get up this morning? 0530 2. How do you like your steak? Medium. 3. What was the last film you saw at the cinema? "zombieland" right before i left
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Why is it that Computer Hacking is something we don’t ever hear about? Hundreds of Hackers every day break into banks and businesses and steal valuable information or even money from people such as ourselves. They are other hackers that start viruses and worms through big computer networks that can destroy all your information you have and your computer. Hackers use everyday things to start computer eaters‚ which is why we have those annoying viruses and worms everywhere in computers. We use anti-viruses
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History of Computer Introduction Man’s progress is measured by sophistication of his tools. First‚ he discovered how to control fire. Eventually‚ he invented the wheel. He built boats and earned to harness the wind. As soon as commerce developed in the early societies‚ people recognized the need to calculate and keep track of information. They soon devised simple computing devices and bookkeeping systems to enable them to add‚ subtract‚ and simple record transactions. Today‚ we are witnessing
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Task 1: Identification of the peripherals of a computer. To prepare a report containing the block diagram of the CPU along with the configuration of each Peripheral and its functions. AIM: To identify the peripherals of a computer. 1. The Mother Board [pic] 2. CPU (Processor) [pic] 3. SMPS (Switched mode Power Supply) [pic] 4. Cabinet [pic] 5. CPU heat Sink and fan [pic] 6. RAM (Random Access Memory) [pic]
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THE VALUE OF COMPUTER EDUCATION TODAY Necessity is the mother of revolution. The saying holds true for computers also because computers were invented as a result of a main search for a fast and an accurate calculating device. A few days ago there were only few computers in our country. They were enormous and expensive machines. Although abacus was invented around 600 B.C. It is interesting to know that it can calculate at an amazing speed. The first mechanical adding machine was invented by Blaise
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