HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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Are We Too Dependent on Computers? We have become too dependent on computers for answers‚ personal interactions‚ and we spend way too much time on them. If we used the computers for learning and as a tool this issue wouldn’t be as big. The sad truth is that people use this great tool for an easy way to get out of face to face interactions with other people. In 10-20 years it is said that there will be a computer smarter than the whole human race alive today. That is a scary future that we don’t
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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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A computer is a machine that is able to take information (input)‚ do some work on or make changes to the information‚ to make new information (output). Computers have existed for much of human history. Examples of early computers are the astrolabe and the abacus. Modern computers are very different from early computers. They are now very powerful machines that are able to do billions of calculations every second. Most people have used a personal computer in their home or at work. Computers are
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Computers in Education By Carla Cooper and Evelia Ramirez December 2006‚ University of California at Berkeley www.consttutioncenter.org “Today‚ education is perhaps the most important function of state and local governments. Compulsory school attendance laws and the great expenditures for education both demonstrate our recognition of the importance of education to our democratic society. It is required in the performance of our most basic public responsibilities‚ even service in the armed
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Bibliography Atelsek‚ Jean (1993) All About Computers: Discover the World of Computers. Ziff- Davis Press Emeryville‚ California. A computer is a machine that can store and process information. Game machines are special computers that work by sending imagines to the screen and responding to the buttons you press. Computers have existed for many years helping people keep track of information and solving problems. The development of the computer started with the need to keep track of
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provided by the sensor and sending the barcode’s content to the scanner’s output port. Biometrics Biometrics[1] (or biometric authentication)[note 1] refers to the identification of humans by their characteristics or traits. Biometrics is used in computer science as a form of identification and access control.[2] It is also used to identify individuals in groups that are undersurveillance.[citation needed] Biometric identifiers are the distinctive‚ measurable characteristics used to label and describe
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together. The wondrous dream of the "happily ever after" is one hidden deep in everyone. Although‚ the dreamy‚ vain quest for this perfect life mostly results in pretense‚ lying‚ and ceases in complete unhappiness. In George Meredith’s poem from Modern Love‚ the speaker conveys a kind of love that is very grim. Both characters long to escape their dark marriage. It seems their life together has regretfully been empty and full of pretense. That is shown in the beginning of the poem‚ when she does
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History of Computers Glenn G. Fabia Department of Computer Science Ateneo de Naga University A typical computer operation back when computers were people. Counting Tables History of Computers 2 A Modern Day Abacus (Oldest surviving‚ 300 B.C) Note how the abacus is really just a representation of the human fingers: the 5 lower rings on each rod represent the 5 fingers and the 2 upper rings represent the 2 hands. History of Computers 3 Napier’s Bones In 1617 John Napier
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teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several keys simultaneously or in sequence. While most keyboard keys produce letters‚ numbers or signs (characters)‚ other keys or simultaneous key presses can produce actions or computer commands. Despite the development of alternative
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