Cryptography is the science of converting data into a secret code to hide the meaning of the message during transmission. Cryptographic systems provide the following security services: • Confidentiality‚ by ensuring that only authorized parties can access data. • Integrity‚ by verifying that data has not been altered in transit. • Authentication‚ by proving the identity of the sender or receiver. • Non-repudiation‚ by validating that communications have come from a particular sender at a particular
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What kids haven’t played with lasers? We have all loved the laser fights in movies like Star Wars. Who wouldn’t want wield a laser around while fighting an enemy. Did you know that the term laser came from an acronym meaning “light amplification by stimulated emission of radiation.”? It should actually be all capitalized but for simplicity it isn’t. The first working laser was actually demonstrated by Theodore Maiman at the Hughes Research Laboratories back in 1960. The strength of early lasers
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Haille Selassie “Haile Selassie was an emperor of Ethiopia whose influence as an African leader far surpassed the boundaries of his country. Although his popularity declined near the end of his sixty-year reign‚ Selassie remains a key figure in turning Ethiopia into a modern civilization.” In 1931 Selassie began to develop a written constitution (a system of basic laws of a country) to symbolize his interest in modernization and intention to increase the power of the African government‚ Haile
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Bogota Bogota is a vibrant city that is situated below the cold Andean Mountains and offers a mixture of modern shopping malls and historic colonial buildings. The City’s main centre is the La Candelaria where there are restaurants‚ bars and hotels in amongst the ancient homes‚ churches and convents. The South of the City is where the working class stay and is still well known for the drug industry but North of the city is filled with hotels and entertainment in the districts of Zona Rosa and Zona
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Contents Introduction Chapter 1. Theoretical grounds of characteristics of language and its functions. 1. Characteristics of the English language 1. English as an analytical language……………………………………..5 2. Relation between units in the English language……………………….6 1.1.3. Structure of the English language……………………………………..8 1.2.1. Functions of the English language……………………………………11 Chapter 2.1. Practical usage of functions of the English language Conclusions Literature used Introduction Language
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In Uneven Ground‚ the author Ronald D. Eller narrates the economic‚ political‚ and social change of Appalachia after World War II. He writes “persistent unemployment and poverty set Appalachia off as a social and economic problem area long before social critic Michael Harrington drew attention to the region as part of the “other America” in 1962.”(pp.2) Some of the structural problems stated by Eller include problems of land abuse‚ political corruption‚ economic shortsightedness‚ and the loss of
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The Crossover by Kwame Alexander coming to age novel was written in a unique poetic form uses line breaks narrative free verse also figurative language including metaphors‚similes and more.The Book shows drama and many emotional things such as Josh’s and Jb s dad dying because of this health issues‚the fight between Josh and Jb two identical twin brothers who had a strong bond that gets broken and threatened in many ways‚ such as Josh throwing a basketball at Jb s face and breaking his nose and
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company is a good training ground. Because this government company created a good service to their clients and gave training for the students like me. They treated me as their fellow worker. But unfortunately it is far from our university. For the company‚ they must have an IT Department or computer technicians to assist them about their problems regarding their computers. For the future OJT trainees‚ they must have a good company that would give them a good training ground and would enhance their
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would establish ground rules with your learners‚ which underpin behaviour and respect for others. According to Petty (2004‚ p.98) ‘Good teacher–student relationships are based on mutual respect’ which thrives where there is good classroom organisation that ‘…allows the lesson to run smoothly‚ so that good relationships can grow through positive experiences’ (Petty‚ 2004 p.104). As a trainer‚ there are a number of ways in which I establish ground rules with my learners. The ground rules are all based
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Shifting Ground Book Seven seemed like a critical turning point in the story. Father Zossima’s death and burial are a huge benchmarks in the life of the characters‚ particularly Alyosha. Zossima has represented all that Alyosha has loved and wanted to emulate up to this point. For Alyosha‚ Zossima was the rock on which his beliefs stand. At Father Zossima’s burial everyone is expecting a miracle. They believe that Zossima is transforming into a saint who will emit healing powers from his corpse.
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