Why computers are called PCs?
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P= Personal\nC= Computer
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A computer is an information-processing machine that works by converting all kinds of information into binary numbers (ones and zeros) and then using simple mathematics to make decisions about, or to rearrange, those numbers. There are two things essential to understanding the basics of how a computer works. One is that a computer treats any type of information (not only numbers but also letters, words, dates, and so on) as if it consisted simply of binary ones and zeros. For example, a computer can translate the letter “A” typed into its keyboard into a string of ones and zeros, such as 1000001. One reason to do this is that once in binary form, the information can be stored and moved about more easily.
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absolutely nothing...except the word. Laptops are now called notebooks because there were a large number of people that actually thought you could use them on your laptop and ended up with hot legs.\n\nexcerpt from wikipedia article: While the terms laptop and notebook are often used interchangeably, "laptop" is the older term, introduced in 1983 with the Gavilan SC. "Notebook computer" is a later coinage, which was used to differentiate smaller devices such as those of the NEC UltraLite and Compaq LTE series in 1989, which were, in contrast to previous laptops, the approximate size of an A4 paper sheet.[1] The terms are imprecise: due to heat and other issues, many laptops are inappropriate for use on one's lap, and most notebooks are not the size of typical A4 paper notebook. Although some older portable computers, such as the Macintosh Portable and certain Zenith TurbosPort models, were sometimes described as "laptops", their size and weight were too great for this category.
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Sometimes I wonder why some people are allowed access to computers.
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Here is a long list of all what you might need to understand computer names. \n\nhttp://en.wikipedia.org/wiki/Computer_terms
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pc?\n\nyou mean personal computers?  or.. political correctness?
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Computers, like several other everyday items, was originally developed as a "tool".  Some of the first applications developed for the PC were word processors and spreadsheets, meant to take the place of typewriters and updating calculations on a chalkboard.\n\nBecause computers were able to perform many calculations with exceptional accuracy and speed compared to a human being, they were good for balancing checkbooks, amortizing loans, as well as keeping records of assets.\n\nAside from being a tool for calculations, the computer nowadays is used as a vehicle for entertainment purposes (such as games, music and videos) as well as advertising (banner ads on Web sites or Adware).\n\nWith the advent of the internet, computers helped people communicate with one another; both person to person as well as many people to communicate at once either through Web forums or in real-time such as Internet Relay Chat.\n\nDue to many of the innovations to which computers had been adapted, computers also helped provide a market for people to build, support, program and use them in their everyday lives.
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Here is a article that explains it pretty well.\n\nhttp://www.pcworld.com/article/id,110663-page,1/article.html
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Most computers are an integral part of the products we use including consumer electronics, automobiles, home appliances, cell phones and all the industrial products that contain computers. But wherever there's a computer, you also have software programs that tell the computer what to do. Since the computers and their software are dedicated as part of the consumer or industrial product, engineers refer to those types of computer and software applications as being "embedded" as opposed to your  PC for example that uses general purpose software applications like Microsoft Office, Adobe Acrobat, Apple Itunes etc in addition to the special purpose embedded software like device drivers.
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There are many different components that use computers. Off the top of my head:\n\nFlight Management System\nInertial Nagivation System\nGlobal Positioning System\nThe Autopilot\nStall Warning Computer
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The nice thing about PC's is that they have several diffrent company's making them, meaning there is competition so there prices are lower, and software companys and game makers usually focus on them instead of Macs. \n   They say that the Ipod is the only way Macintosh is staying alive.
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computer system is the synthesis of hardware and software. A typical computer system employs a computer that uses programmable devices to store, retrieve, and process data. [1] The personal computer or PC exemplifies one example of a computer system. An Automatic Teller Machine (ATM) is another example of a computer system. The Internet does NOT exemplify a computer system per se, but rather a network of computers. [2]\n\nEven the simplest computer classifies as a computer system, because at least two components (hardware and software) have to work together. But the real meaning of "computer system" comes with interconnection. Many computer systems can interconnect, that is, join to become a bigger system. Interconnecting computer systems can prove difficult due to incompatibilities. Sometimes these difficulties occur between differing hardware and sometimes between differing software.\n\nDesigners of different computer systems do not necessarily aim to interconnect their creations with any other system. Technically knowledgable people can often configure disparate computers to communicate using a set of rules and constraints known as protocols. Protocols attempt to precisely define the communication within and between computing endpoints. If two computer systems define the same protocols, they may be capable of interconnecting and become a part of a larger system.
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The computers microprocessor is its "brain".Its job is to do matemathical (3+9*85+*6) and logical (xor, and , or etc.) operations.Well the first computer ENIAC was used to do sums, i believe that was "it's original purpose".People often refer to the microproceesor as CPU, wich means Central Processing Unit.There a large variety of processors and processor brands, but the 2 most renowed types are Intel and Motorola.Intel (and AMD) Cpu's are used in pc's and Motorola's are used In Apple Machintosh systems(although apple is moving to the Intel platform).Intel based CPU's include the older 286, 386, 486 ,Pentium,Duron,Athlon,etc.The Intel 32 bit platdorm is also refered to as x86(because of the 86 at the end of the cpus codename).Now we are experincing the ascension of the x64 platform (64 bits) with cpus such as AMD Athlon64 and Intel Itanium.
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Depends on your needs...\n\nA PC is more of a family thing, something you cant take with you\n\nA Laptop is more of an "on the move" computer\n\nPC's stay in the house\nPC's may last longer/may be a better purchase over the long haul\n\nLaptops are more expensive\nLaptop batterys need to be charged after you use them
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It's just a brand name for a company, Advancrd Micro Devices,  that makes computer processors (and other things).   \n\nAMD and Intel are the 2 largest companies that make processors for pc's.
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Size and performance.  A laptop has all the features that a regular desktop pc can have.  A tablet PC can have most of those features, but they usually lack the battery power, the screen size and the overall performance of a laptop or a desktop.  Beware what you are buying.  Some called tablet pcs are really a big PDA disguised as a computer.
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And this has what to do with computers?