13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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Introduction to Computers What is a computer? An electronic device for storing and processing data‚ typically in binary form‚ according to instructions given to it in a variable program.. Many people believe that knowing how to use a computer‚ is one of the basic skills needed to succeed in the workplace. In order to use the computer it is necessary to understand how the computer works. Hardware | Computer hardware is made up of the equipment used to make up you computer unit. These parts
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Many people fear the Internet because of its disadvantages. They claim to not use the Internet because they are afraid of the possible consequences or are simply not interested. People who have yet connected to the Internet claim they are not missing anything. Today’s technological society must realize that it is up to them to protect themselves on the Internet. Children using the Internet have become a big concern. Most parents do not realize the dangers involved when their children connect
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TASKBAR In the graphical user interface (GUI) for a computer operating system or application‚ a taskbar is a visual device on the desktop that typically shows the user which applications (tasks) are currently active and running. Combined window management and program launching As noted above‚ the Windows 7 taskbar combines two previously separate bits of functionality: Open window management and program launching/file opening. Prior to Windows 7‚ the taskbar was generally used only to manage open
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Advantage and Disadvantage of Technology Introduction Technology is the making‚ modification‚ usage‚ and knowledge of tools‚ machines‚ techniques‚ crafts‚ systems in order to solve a problem‚ improve a preexisting solution to a problem‚ achieve a goal or perform a specific function. Technology is‚ by definition‚ the practical application of knowledge. It is the systematic treatment of art and science. In the last century many people did things by hand but nowadays more and more tasks have
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The History of Computers Whether you know it or not you depend on computers for almost every thing you do in modern day life. From the second you get up in the morning to the second you go to sleep computer are tied into what you do and use in some way. It is tied in to you life in the most obvious and obscure ways. Take for example you wake up in the morning usually to a digital alarm clock. You start you car it uses computers the second you turn the key (General Motors is the largest buyers
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Computer fraud is the use of information technology to commit fraud. In the United States‚ computer fraud is specifically proscribed by the Computer Fraud and Abuse Act‚ which provides for jail time and fines. 1. Unauthorized access at North Bay Abdulswamad Nino Macapayad‚ a former accounts payable clerk for North Bay Health Care Group‚ admitted to using her computer to access North Bay’s accounting software without authorization‚ and in turn issued various checks payable to herself and others.
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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English Composition II Eng112-1002A-10 Final Project Computer Hacking May 7‚ 2010 Computer Hacking My field of study is Computer Information Security Networking; I chose this field because I enjoy working with computers and creating a safe environment in accessing data. One of the common problems in this field is hacking. Throughout my essay I plan on explaining what motivates hackers‚ what the definition of hacking is? What effects’ hacking has on society? And the
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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