volumes and video data‚ especially in real-time applications‚ the use of classic encryption methods like DES‚ AES‚ ...‚ is not efficient in terms of being time cosuming. In this article‚ a new method is proposed to encrypt digital images‚ using chos systems and utilizing DNA patterns. A central idea in the method suggested is to produce a pseudo-random DNA strand using chaos functions‚ which an encrypted strand is created‚ using the random strand and the strand produced from the main image. Also‚ in
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Computer was invented by Charles Babbage in 1822. The computer is the most wonderful gift of science to the modern man. The computer can do all the works of man. Thus‚ after the invention of computer‚ the gap between man and machine has been bridged up.The dictionary meaning of the word "Computer" is an electronic calculating machine. Though a machine‚ it contains and provides innumerable informations. It may seem strange‚ but it is true that the memory and intelligence of a computer can be greater
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The Role of Geographic Information Systems in Climatology: Literature Review Introduction Climate change is a problem that is affecting people and the environment in the modern world. The average weather conditions are changing and the intensity of extreme weather events is becoming greater. It remains to be seen if this is a natural progression of the earth over time or if humans are exacerbating it‚ but it is clear that there is a change occurring in today’s weather patterns. The
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A computer is not an acronym and is sometimes abbreviated as comp or ’puter. The term "computer" was originally given to humans who performed numerical calculations using mechanical calculators such as the abacus and slide rule. The term was later given to a mechanical device as they began replacing the human computers. Today’s computers are electronic devices that accept data (input)‚ process that data‚ produces output‚ and then store (storage) the results. The first computer was called the ENIAC
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Psychological Perspectives for Health and Social Care P2: Explain different psychological approaches to health practice Psychologists uses a range of perspectives and approaches when studying how individuals think‚ feel and behave. Some researchers may focus on one specific perspective‚ whilst other researchers study a more diverse approach that may incorporate multiple points of views. Each perspective aims to offer explanations for different aspects of human behaviour. The behaviourist approach’s
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Discuss the Role of Different Players in Creating and Protecting Cultural Landscapes 1.0 Introduction 1.1 Defining Culture Culture is everywhere; it’s something that gives identity to a group of people or a place. It can be seen in something as small as a group of friends or a town or reaching much larger scales of a whole country. However the complexity of the word is something most people fail to think about. It’s a word everyone understands but ultimately find very difficult to define
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P4 recommend a computer system for Tooting Films. Awais Khan Processors • • I have chosen to recommend Intel Core i7 4770K 3.50GHz processor for the tooting films gaming set up. This would offer superior performance over the previous generation processors. It would also boost results in performance‚ improvements in multi-tasking‚ encoding‚ gaming and multithreaded applications. As well as an improved PCI-Lane 3.0 bandwidth which helps further boost performance of latest generation 3 graphics
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justice system The criminal justice system is an expression used to describe the co-dependency mechanism of the courts‚ government correctional facilities‚ and the police. The expression also describes the agencies of the criminal justice system within states of a centralized government. The criminal justice system is comprised of three interdependent mechanisms. Law making has repeatedly been included as a fourth mechanism of the justice system‚ considering that all legal criminal justice system activities
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thing is the computer. The computer is important because I use it for entertainment‚ scholl work‚ and just to help out a friend when something important is due. Without a computer I dont know what I will do. Thank god for computers. In my home the computer is something that is needed especially for entertainment. First‚ my computer help me catch up on today events occuring around the world. Just in cause I miss the news on television‚ I can get updated on the computer. Second‚ the computer is a great
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Computers have become such indispensable devices in the modern era that we cannot imagine life without computers. However‚ there have been different ideas on the benefits of computers. In my opinion‚ computers do more good than harm because they can make life easier and also can help our work become more systematically and productively. Firstly‚ computers give many advantages as they can make life easier. As a student‚ many works must be done by using computer such as assignment and presentation
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