How Cell Phones Work Cell phones are very interesting! Have you ever wondered how a cell phone works? Well we have. Cell phones have changed a lot since 1984. The first cell phone that came out was called the Dyna TAC8000X. (top left) It weighed 2 pounds! The brick only offered a half-hour of talk time for every charge. You could get this amazing device for $3‚994! The man who invented this phone is Ruby Knopp. (top left) He also invented the newer modern Motorola Razor. (top middle) Some of
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My project report is on ‘how network architecture has changed over the decade’. In this report‚ I’d be talking about different network architecture that has been adopted over the past years. I would as well put light upon early network architecture and the advantages and disadvantages of former and why and how latter architecture were needed and adopted. Network architecture is the design of communication network. It is the complete framework of computer network. The diagram of the network architecture
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How Credit Cards Work Have you ever stood behind someone in line at the store and watched him shuffle through a stack of what must be at least 10 credit cards? Consumers with this many cards are still in the minority‚ but experts say that the majority of U.S. citizens have at least one credit card -- and usually two or three. It’s true that credit cards have become important sources of identification -- if you want to rent a car‚ for example‚ you really need a major credit card. And used wisely
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How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
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Health and Safety How to work safely at a computer All jobs have elements of risks to your health. Some maybe more than others. Even working at a computer poses a risk on your health and well-being. The risk? Upper limb disorders (ULD’s) or repetitive strain injuries (RSI’s) Now in order to reduce the risk of suffering from these problems‚ it is essential to understand how you get them in the first place. ULD’s normally occur when you have a job which requires a lot of twisting
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HOW AN ELECTRIC GENERATOR WORKS Electrical generators by definition are devices that convert mechanical energy into electric energy. The mechanical energy in turn is produced from chemical or nuclear energy in various types of fuel‚ or obtained from renewable sources such as wind or falling water. Steam turbines‚ internal-combustion engines‚ gas combustion turbines‚ electric motors‚ water and wind turbines are the common methods to supply the mechanical energy for such devices. Generators
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algebra system with a friendly user interface. It works in parallel with your teaching to help students stay engaged in math and science. Algebra and geometry students benefit from fast‚ clear equation-solving‚ while more Top 3 advanced reasons students get to use it help in subjects such as calculus‚ trigonometry‚ physics‚ and chemistry. 1) Free and easy. Microsoft Mathematics is a free download that’s easy to install. It works with PCs and Windows® operating systems. The approachable
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understanding how technology shapes people’s interactions with each other and vice versa and the way natural world plays a vital role in order to develop and implement new technologies and also for all those people and organizations that have to use those technologies throughout their personal and professional lives. Komal Sunil Savtale The impact or the role of technology in our professional as well as personal lives is inevitable. For those who research its necessary to understanding how technology
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between machines. Ideally‚ TCP/IP is used whenever Windows-based computers communicate over networks. This subject describes the components of the TCP/IP Protocol Suite‚ the protocol architecture‚ which functions TCP/IP performs‚ how addresses are structured and assigned‚ and how packets are structured and routed. Microsoft Windows Server 2003 provides extensive support for the Transmission Control Protocol/Internet Protocol (TCP/IP) suite‚ as both a protocol and a set of services for connectivity and
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How the Stock Market Works Why Do Companies Issue Stock? Companies throughout the world issue new stock shares every day. But what is stock‚ and why does a company issue it? To help you to better understand these important concepts in this tutorial we will discuss: What is Capital? Equity vs. Debt Why Do Corporations Issue Stock? Advantages for Stock Holders Let us begin by defining the word capital. What Is Capital? Let’s imagine that you decide to start up your own ice cream shop business
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