Mobile phones are an invention of this current century that many people never believed would come to be the technological sensation that it has become today. If you only look back a few years‚ a mobile phone was actually considered a luxury and not the necessity that it has come to be. It was certainly not affordable by everyone. And then suddenly out of nowhere almost everyone has a mobile phone and not many can imagine a life without it. It seems that everyone is carrying a cell phone‚ no matter
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Disadvantages: a. Iris Recognition is intrusive. b. Due to fluctuations‚ the Iris is hard t pinpoint c. Iris Recognition is very expensive A. The iris is a small target and a scan cannot be performed properly if the person is more than a few meters way. In order for an iris to be properly scanned‚ the person’s head must be completely still. Eyelashes‚ lenses‚ and anything that would cause a reflection‚ could all make a scan difficult. It is a moving target and can be obscured by objects such as
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1. Why is letter of credit the commonest method of payment in international trade? EX1: How to pay or be paid becomes a crucial choice as soon as you begin doing business across borders. When you do business internationally‚ there are ways of paying that you might never hear about when doing business in just one country. There are a lot of method of payment in intertraditional trade but the commonest method is letter of credit. Letters of credit are the most common method of payment in international
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since it serves them such as: tidings‚ merriment‚ ken and so on; concurrently‚ TV also provides them many disadvantages. First of all‚ it is able to make people’s eyes become weaker and weaker‚ because TV telecasts brightness and contrast that could react against people’s eyes‚ by doing so‚ if they are all eyes on TV too close to the screen‚ they might face with sore eyes. Focus on second disadvantage‚ ferocious on TV has detrimental effects on children. Researchers investigated in some far-off hamlets
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ECONOMICS “Chapter 19: The Goods Market in an Open Economy” ------------------------------------------------- Chapter 19: The Goods Market in an Open Economy 19-1 The IS Relation in an Open Economy When we were assuming that the economy was closed to trade‚ there was no need to distinguish between the domestic demand for goods and the demand for domestic goods. They were clearly the same thing. Now‚ we must distinguish between the two. Some domestic demand falls on foreign goods‚ and
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The Disadvantages of Playing Video Games In the last several years the interactive games have had an amazing development in terms of image quality and variety of games. This has led to children and adults spend more time gaming and less time sharing with their families and friends. There are many significant disadvantages of playing video games. First‚ electronic games might have a negative impact over personal physical health. Gamers become lazy because they do not exercise every
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Discuss the advantages and disadvantages of unisexual schools. Boy schools and girl schools shoot up very rapidly both in foreign countries and at home. In China‚ girl schools have enjoyed a very long history since one hundred years ago. Many sociologists and educationalists present their views on this issue from different angles. In this essay‚ I will zero in on the advantages and disadvantages of the controversial phenomenon. (60 words) Some parents prefer to send their children to boy schools
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successful because it provides a lot of entertainment that humans need. For example‚ today many people are watching or downloading free entertainment on the internet‚ and many people are playing on-line games. In contrary‚ the internet has a lot of disadvantages. There have been many people who became victims of pornographic sites on the internet.When your computer connects to the internet it is often the case that a virus attacks your computer hard disk. In addition‚ many people steal personal information
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COMPUTER – ADVANTAGES AND DISADVANTAGES Almost every home‚ office‚ or school has a computer of some kind these days. The word ‘computer’ comes from ‘computing’ i.e. calculating. They can do complicated sums very quickly. We can play games‚ draw pictures and even make sound and music on them. Computers can be used to keep records of diaries‚ slides‚ recipes‚ songs or any information which we want to store and get back sometime later in some form. We can link computers together to share information
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What are the advantages and disadvantages of drinking coffee? Advantages: • Coffee is actually one of the healthiest beverages billions of people consume regularly. • Coffee containing with bitter orange‚ hydroxycitric acid‚ and chromium can encourage an increase up to 30% in metabolic rate. • Coffee with exercise when taking 300mg averages a 20% increase in energy and fatigue while burning fat increased 107% greater than without caffeine. • Caffeine in coffee keeps our brains alert and receptive
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