Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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university in Cairo Computer Science & Engineering Department CSCE 106 - Fundamentals of Computer science Course Layout – Spring 2013 http://www.cse.aucegypt.edu/~csci106k/ Course: Instructor: Office: Office hours: Lab Instructor: CSCE 106-03&05 “Fundamentals of Computer Science” ‚ 3 Credit Hours Dr. KHALIL E-Mail: akhalil@aucegypt.edu Room 2148 SSE 1:00 - 2:00 pm UTW Alia Saad E-mail: alisaad@aucegypt.edu Course Description Introduction to the discipline of computing. Computer history and Evolution
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to Computers and C++ Programming 1 What is Computer? Computer Organization Computer Languages C++ Your First Program in C++ Variables and Operators Computer Programming (HKU SPACE HDIT 10/11) 2 Computer Programming (HKU SPACE HDIT 10/11) 3 Computer ◦ Device capable of performing two major functions 1. 2. Computations Making logical decisions Computer programs Hardware ◦ Sets of instructions used by computers to process
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Computer hacking is the practice of modifying computer hardware and software to accomplish a goal outside of the creator’s original purpose. People who engage in computer hacking activities are often called hackers. Since the word “hack” has long been used to describe someone who is incompetent at his/her profession‚ some hackers claim this term is offensive and fails to give appropriate recognition to their skills. Computer hacking is most common among teenagers and young adults‚ although there
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Computer forensics‚ also called digital forensics‚ network forensics‚ or cyberforensics‚ is a rapidly growing field that involves gathering and analyzing evidence from computers and networks. Because computers and the internet are the fastest growing technology used for criminal activity‚ the need for computer forensics specialists will increase in years to come. A computer forensics specialist examines computer media‚ programs‚ data‚ and log files on computers‚ servers‚ and networks. Many areas
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Computers and culture | Computers and their role in human life have changed drastically since the 1950s. If 60 years ago computers did not play an important role in society‚ these day computers play a significant role in our lives. Initially‚ computers were big and awkward machines that were used just for keeping information and calculations. Throughout the last 50 years computers have become much smaller and much more sophisticated. If first computers were so large that they
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Computers in accounting Uses and advantages and disadvantages of computers in accounting Traditionally accounts were kept by the means of handwritten record. Computers have only begun to be used in some of the functions of accounting over the last fifteen years or so. As computers became cheaper‚ easier to use‚ and more powerful‚ more firms have decided to computerise their own accounting records. However‚ some firms‚ (albeit a declining number) still prefer to use handwritten accountings. This
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How many inventions in your lifetime can you think of that have changed everything in our society today? Computers have taken over today ’s society. From everyday tasks to moving satellites in space‚ PCs have revolutionized almost everything in our society. Computers weren ’t always this complicated though‚ and were around a long time before anyone even knew what the word "computer" meant. The Abacus was the first known machine developed to help perform mathematical equations. From what researchers
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Computer graphics This article is about graphics created using computers. For the article about the scientific study of computer graphics‚ see Computer graphics (computer science). For other uses‚ see Computer graphics (disambiguation). [pic] Computer graphics are graphics created using computers and‚ more generally‚ the representation and manipulation of image data by a computer. The development of computer graphics‚ or simply referred to
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