Originally‚ a device known as the ’photophone’ was used to transmit sound. This replaced Thomas .A. Edison’s ’phonograph. Since the development of optical fibres ’photo phones’ and ’phonographs’ are no longer used or needed. Optical fibres have many advantages; they enable the sound messages to carry for 50km without any need for a repeater unlike other optical communication systems‚ which need repeaters at 1km intervals. Optical fibres have replaced other methods of communication for many reasons
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Types of Storage Devices A storage device is a device capable of storing data. The term usually refers to mass storage devices‚ such as disk and tape drives (www.webopedia.com). In this paper I will explore different types of storage devices and which ones are optimal for different situations. I will also explain what situations are appropriate for the following devices and explain why: a. Hard disk b. Floppy disk c. RAM d. CD ROM e. Tape Hard Disk A hard disk is a magnetic disk on
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Literary devices are employed to give the readers a realistic picture of what they are reading. Literary devices benefit war literature by painting a picture in your mind‚ so you can visualize what horrific events the soldiers are going through. All Quiet on the Western Front and “Dulce Et Decorum Est” exploit literary devices to affirm the horrors of war. Erich Maria Remarque and Wilfred Owen emphasize poetic language with the use of personification‚ simile‚ and imagery. An idea or animal that
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Other than the monitor‚ we also have the printer which is also an output device. A printer generally translates information that has been processed by the system unit and presents the information on paper. As students‚ we really benefit from such device for in times of projects‚ reports‚ and assignments we greatly rely on such output which we refer to as hard copy. There are five features of a printer ---- its resolution‚ color‚ speed‚ memory and duplex printing. Resolution is the measure of the
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this paper I am going to compare and contrast a literary text (Education for Leisure by Carol Ann Duffy) and a non literary text (Newspaper article from “The Independent” by Nigel Morris) focussing on the language features used‚ the structural and presentational devices‚ the use of correct punctuations‚ analyse the structure of the non literary text for bias and the techniques used to convey meaning and ideas by both authors. The objective of literary texts is to teach the readers a life lesson with
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In 2013‚ smart devices are not just a luxury‚ but have become a necessity. People of all ages‚ ranging from elementary school to senior citizens‚ use smart devices. Just like any other technology‚ there are benefits and disadvantages that come along with it. Smart devices provide countless services to its owner‚ and are great tools. They only become a problem when they are heavily and unnecessarily relied upon. Although people view smart devices as useful tools‚ nevertheless they have this potential
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Page 1 of 4 Expansion Devices I. Introduction Expansion devices are basic components of a refrigeration system which carry out two major purposes: (1) the pressure reduction from the condenser to evaporator pressure and (2) the regulation of refrigerant flow into the evaporator. These expansion devices can be generally classified into two types which are namely the fixed opening type (flow area is fixed) and the variable opening type (flow area changes correspondingly with a change in mass
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The Titanic’s maiden voyage was a disaster because they didn’t have a boat drill.Also they didn’t have enough lifeboats.Second they didn’t take the warning about the iceberg that was ahead.Third they didn’t warn people of the iceberg that was ahead.Fourth they didn’t go away from the iceberg.Fifth they didn’t send a message to other boats to help them with saving all of the people on the boat because they hit an iceberg.Last they didn’t even warned they people that they hit an iceberg at all.An example
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Alexus Neal April 15‚ 2013 English 101 The Devices of Advertising In his essay “With These Words I Can Sell You Anything” William Lutz informs readers about devices companies use to get people to buy their product. He explains many devices and techniques used in ads or commercials and how each of them work. There are many devices explained but there are 7 devices that are used most frequently. A dramatic claim uses a word and presents a dramatic claim after. Meaningless words are verbs that make
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Electronic Devices Society depends a lot on technology nowadays‚ they can obtain a lot of information in just a little device. Now some people read books in tablets or iPad‚ not in the real books. Some things are so different like they used to be. Some people prefer to get information with just giving a single touch to the screen of the table. There exist a lot of electronic devices that are changing our society‚ like the IPad‚ IPod or MacBook. The people who are more likely to buy this devices think
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