Thermionic valves which were once used in computers‚ radios‚ and TVs were replaced by transistors. Compared to thermionic valves transistors: ~Had much smaller sizes (miniaturization) ~Much cheaper and more reliable ~Used less power When transistors were first developed they were about 0.5 cm3 in volume It was found that transistors could also be miniaturized by using silicon doped with arsenic/gallium. Several million transistors could now be placed on area of 1cm3. This had enormous consequences
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Today‚ many high school students are entering the work force. Students are becoming more and more eager to start working and become independent. Although a beneficial balance of school and extracurricular activities as well as employment can be productive‚ it is very difficult to maintain. If a student is intending on going to college‚ he or she should only hold very minimal and flexible employment. A part-time job interferes with school in many situations. Even if the job is held after school and
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The 19th and 20th centuries are very rich about inventions that changed our lives. The automobile is one of those inventions changed people’s lives. Short after its invention automobile became a necessity in daily life more than being luxury or a symbol of nobility. Today the numbers of cars are close to half of earth’s population. Almost every family in developed countries owns a car. The automobile has had the greatest effects on our lives in last two hundred years because it is a necessity‚ it
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Discuss the concept of creativity‚ invention and innovation and their complimentary roles in the field of entrepreneurship. Which one do you think is most vital for the entrepreneur? INTRODUCTION Creativity‚ invention and innovation are not the same thing. To create a successful product or business‚ the entrepreneur needs to recognize the differences‚ and combine them in the right mix. These concepts are closely linked together. They make us think of something new‚ something really different
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The First World War‚ also known as ‘The Great War’ due to its immense number of casualties and also large amount of countries involved‚ took place in 1914-1918. The spark that started the whole war occurred when Arch Duke Franz Ferdinand‚ the heir to the Austro Hungarian throne‚ was assassinated on the 28th of June‚ 1914. The First World War was pernicious in many ways; however there are three main reasons the Great War was so deadly: the new types of weapons‚ lack of successful leadership and the
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Standard pieces of equipment in most homes‚ watching television has become a standard activity for most families. Although there are many excellent programs‚ many people think television is one of the worst inventions of modern times. All too often‚ television is harmful because of the shows it broadcasts‚ the effect it has on people‚ and the way it is used in homes. First‚ heavy TV viewing leads to poor school performance. Most television broadcasters show a variety of programs 24 hours a day‚
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Headlights‚ airbags‚ and wheels theft are becoming the hottest and most stolen car items. They have found that it’s not financially related. It could be a jealous neighbor or acquaintance that will steal the wheels in spite. Basically if I can’t have them then you won’t either. As for wheels‚ I think the reason why theft is so high is because tires and rims are very high in price. The thieves can easily steal them and then place them up for sale on EBAY or other related classified ads. I actually
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Suffering soul in scientific age Outlines Introduction What is soul? Relationship between soul and body Why Soul is suffering in scientific age? Scientific age and inventions Food of soul is affection Soul needs spirituality Body needs materialistic pleasures Conclusion As flower needs water and sun shine for blooming‚ as similar soul needs love of Almighty God? Love of Almighty Allah who is merciful and benevolent is very essential for the gratification of human soul. Soul gets glow
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.scribd.com/doc/13314549/Internship-Report-oExecutive Summary BANKING HISTORY The first banks were probably the religious temples of the ancient world‚ and were probably established in the third millennium B.C. Banks probably predated the invention of money. Deposits initially consisted of grain and later other goods including cattle‚ agricultural implements‚ and eventually precious metals such as gold‚ in the form of easy-to-carry compressed plates. Temples and palaces were the safest places
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Television is a system for reproducing on a screen visual image transmitted by a radio signal. T.V short for television is popular among many people around the world. It is a means of communication. No‚ I don’t believe that television has any contribution on isolating people. The excerpt says “At first‚ television watching was a communal affair; …………..proudly invite the neighbors in to view the marvelous box”. I completely disagree with this line. For me communal affairs are those activities
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