Introduction of Computers What is Computer. Computer is an electronic machine‚ which accepts instructions‚ commands and information‚ based on the information process the given information at Ultra High Speed and produce the result on the screen and printer. Qualities of Computer. Possess the following:- a. Ultra High Speed b. Accuracy c. Huge Capacity for Storage d. Decision Making Ability Main Parts of Computers. Following are the main parts
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Computers are all around us and can be considered a wonder of the world. Thanks to the computers‚ we drive computerized cars‚ receive letters sent by computers‚ astronauts can go to the space and return safely. Thus‚ the computer has significantly changed our world through advances in science and medicine‚ business and education. In fact the computer is a wonderful electronic brain that we have come to rely on. First off‚ computers have contributed to the advances in science and medicine. In the
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In what Ways Books are Similar to Computers? In what Ways are Different? Where are the sources of information and knowledge for us? Books and computers are our information and knowledge‚ but they have some differences and similarities. We need to know what ways books are different from computers‚ and what ways books are similar to computers. It is very helpful when we use books and computers. Books and computers have some ways that they are different. Computers have a big source of knowledge‚
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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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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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From the time computer games made their way into family homes‚ parents have wondered if violent video games may negatively affect children and teenagers. Today‚ parents still worry about the effects of violent computer games and of course it also remains a popular topic for the media. However‚ with a growing number of children and teens spending excessive time playing computer games‚ perhaps parents should be more worried about teenagers addicted to computer games than the effects of violent video
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