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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INPUT DEVICES 1. Where does the name QWERTY keyboard come from ? The name QWERTY comes from the first six letters on the top row of the alphabet keys. 2. Why do think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy way of usage and when you get used to it you start typing faster 3. Who might make use of a concept keyboard? A concept keyboard might be used by a fast food restaurant
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INPUT DEVICES 1. Where does the name QWERTY keyboard come from ? The name QWERTY comes from the first six letters on the top row of the alphabet keys. 2. Why do think the QWERTY keyboard is the most popular method of data entry? The QWERTY keyboard is the most popular method of entering data because an easy way of usage and when you get used to it you start typing faster 3. Who might make use of a concept keyboard? A concept keyboard might be used by a fast food restaurant
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Pointing Devices are direct entry input devices. They allow users to control the pointer and the insertion point on the screen. Examples of pointing devices are mouse‚ trackball‚ touch pad‚ pointing stick‚ joystick‚ touch screen‚ light pen and graphics tablets. A mouse is a computer device‚ which has a ball sealed at the bottom. It is attached with a cable to the system unit. When rolled on the flat surface‚ the movement of the ball will generate electrical circuits‚ which are then sent to the
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Construction in Italy - Key Trends and Opportunities to 2018 On 11th April 2014 Synopsis This report provides detailed market analysis‚ information and insights into the Italian construction industry including: The Italian construction industry’s growth prospects by market‚ project type and type of construction activity Analysis of equipment‚ material and service costs across each project type within Italy Critical insight into the impact of industry trends and issues‚ and the risks and opportunities
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Construction in France - Key Trends and Opportunities to 2018 On 11th April 2014 Synopsis This report provides detailed market analysis‚ information and insights into the French construction industry including: The French construction industry’s growth prospects by market‚ project type and type of construction activity Analysis of equipment‚ material and service costs across each project type within France Critical insight into the impact of industry trends and issues‚ and the risks and opportunities
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Peripheral vascular disease (PVD) is a medical condition that affects the blood vessels. One main cause of the peripheral vascular disease is diabetes. Therefore‚ being diagnosed with diabetes will increase a person’s chances of developing PVD later on in life. Type 2 diabetes occurs in individuals that have had a long history of medical symptoms such as obesity‚ high blood pressure‚ high cholesterol‚ and insulin resistance. After a period of time without treatment‚ there is a buildup of medical
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Market Research Report Life Insurance in Hong Kong‚ Key Trends and Opportunities to 2018 ©reportscue Synopsis: The report provides in-depth market analysis‚ information and insights into the Hong Kong life insurance segment‚ including: • The Hong Kong life insurance segment’s growth prospects by life insurance category • Key trends and drivers for the life insurance segment • The various distribution channels in the Hong Kong life insurance segment • The detailed competitive landscape in the
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The industry data report package Gas Turbine Markets in the Top 5 Asian Countries to 2018 - Market Size‚ Trends‚ and Forecasts offers the most up-to-date market data on the actual market situation‚ trends‚ and future outlook for gas turbines in Asia. The package includes country reports from the following countries: China‚ India‚ Japan‚ Singapore‚ South Korea The reports include historic market data from 2007 to 2013 and forecasts until 2018 which makes the reports an invaluable resource for industry
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General Computer Questions [pic] General Computer Question 1: What is a computer? Answer: A common‚ somewhat simplified‚ definition is that the computer is an electronic device that can be used to process information. Today‚ computers are not only used for calculations‚ but also for creating and manipulating text and pictures. They are used to design bridges and spacecraft‚ to record a company’s sales and to keep track of customers‚ to create a school newspaper‚ or to estimate the cost
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