device of a computer where all data is saved. Hard drives are non-volatile which allows the data to be saved even when the computer is shut down. “Although most hard drives are internal hard drives‚ many users also use external hard drives to backup data on their computer and expand the total amount of space available to them”( "What Is Hard Drive?" Computer Hope. Web. 14 Sept. 2014.) The first Hard Drive was released by IBM in 1956. Random Access Memory (RAM): Another form of computer storage‚
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It is not true that computer to be more of a barrier than a help. Actually‚ computers have made significant contributions to human potential. For instance‚ people with no talent become rich and famous since the development of scientific technology. These would be discussed how computers have brought about unimaginable benefits to the thorn. It is easy to realize that computers have help business transaction‚ banking system with exactly proper records and data analysis. Thanks to never ending process
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What Is Computer Software? When you think of a computer imagine a machine made of two parts. The first part is the computer hardware‚ the physical parts of the computer that you can actually touch. Some examples of hardware are disks‚ monitors‚ boards‚ chips‚ etc. Hardware does all of the physical work of the computer‚ from memory storage to display. The second part‚ what we call “computer software”‚ acts as the brain of the computer‚ telling the hardware what to do and when and how to do it
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Computer Organization & Architecture Lecture #12 Organization and Architecture Computer Architecture Those attributes of the system that are visible to a programmer. Those attributes that have a direct impact on the execution of a program. • • • • Instruction sets Data representation – number of bits used to represent data Input/Output mechanisms Memory addressing techniques Computer Organization The operational units and their interconnections that realize the architectural specifications. Those
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speech will be related to an important echo that face technology with is computer threats. I will cover some of important threats that face most of us; I will tell you how to protect your computer from threats‚ how to deal with hackers‚ crackers and what to do if your computer was attacked. The most popular threat that face computers are viruses‚ A virus is a program written intentionally to change the way your computer operates without your permission or knowledge. Their behavior is similar
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Introduction and History Computer engineering is a very time consuming‚ challenging job. To be a good computer engineer you need years of experience and collage education. Computer engineers provide information and data processing for certain computer firms and organizations. They conduct research‚ design computers‚ and discover and use new principles and ideas of applying computers. I am going to tell you specific facts about the careers of computer engineers like payment‚ education needed‚ skills
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Computer Mouse Mouse is a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad. The main goal of any mouse is to translate the motion of your hand into signals that the computer can use. The mouse was first invented by Douglas Engelbart in 1964 and consisted of a wooden shell‚ circuit board and two metal wheels that came into contact with the surface it was being used on. Six years after Engelbart made the mouse they
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Computer Crimes Alicia Brown Computer Literacy 103 Professor Sally Rogers October 9‚ 2008 Computer Crimes A computer crime would be defined as criminal activity where a computer or network is the source or place of a crime. Computer crimes have become more common in today’s society. In the old days people would rob banks to get a pay out‚ nowadays people are committing crimes through computers. Besides the obvious difference‚ computer crimes have a much larger pay out than the
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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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Young 1 English 101-A18 April 16‚ 2012 SWA #1 These days‚ computers are used for learning purposes. Right from elementary classrooms‚ kids are being trained not only in using computers but also using them in their day to day academic work. Education aims for the all-round development of individuals. Computer based instructional programs can help students develop subject matter and reinforce classroom skills. Are schools replacing the classroom instructional process such as reading‚ writing
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