Computers range from the very small to the very large. Computers cannot replace humankind: we make them. Computers are like calculators but bigger and better. Computers are something very useful and important to many people. Computers can be generally classified by size and power as follows, though there is considerable overlap:personal computer : A small, single-user computer based on a microprocessor. Computer magazine covers all aspects of computer science. Computer’s RSS Feed » AnnouncementsCheck out this month’s highlighted articles from the IEEE Computer Society’s other magazines. Computer’s David Alan Grier comments on the computing pioneer’s achievements. Computer cases are one of the most important components of a computer, since they have to house the motherboard, processor, video cards, audio cards and add-in cards, as well as your hard drives and optical drives. Computer cases can be divided into several categories by their sizes and purpose. Computer security is an increasingly important consideration. Computer desk and hutch sets offer space-efficient storage and organization. Computer desks Learn about differences among our computer desksGet tips on choosing the best computer desk for your home. – We are all familiar with what a computer is in a specific, contemporary sense. Personal Computers are found in most aspects of daily life, and for some it is hard to even imagine a world without them. But the term computer means more than simply the Macs and PCs we are familiar with. A computer is, at its most basic, a machine which can take instructions, and perform computations based on those instructions. It is the ability to take instructions — often known as programs in the parlance of Computers — and execute them, that distinguishes a computer from a mechanical calculator. In fact, most modern calculators are actually Computers, with a number of pre-installed programs to help aid in complex tasks. But theoretically, anything one computer is capable of doing, another computer will also be able to do. Given the right instructions, and sufficient memory, a computer found in a wristwatch should be able to accomplish anything a supercomputer can — although it might take thousands of years for the wristwatch to complete the operation. At one time, Computers were extremely large, and required enormous amounts of power. Over time, with technological advances, the computer was scaled down and its energy requirements lowered immensely. This allowed the power of the computer to be harnessed for a staggering array of uses. As prevalent as personal Computers are, they do not nearly begin to scratch the surface of computer use in our world. Interactive devices of all sorts contain their own Computers. Cellular telephones, GPS units, portable organizers, ATM machines, gas pumps, and millions of other devices all make use of Computers to streamline their operations, and to offer features which would be impossible without a computer. A computer like this is often referred to as an embedded computer. An embedded computer is differentiated from a personal computer because it is essentially static in its function. While a personal computer, or some cellular telephones, or some personal organizers are able to have new software installed, and make use of a wide range of features, an embedded computer usually has only a few purposes, which are relatively fixed once the computer is manufactured. An MP3 player, for example, is an embedded computer, but can have quite a bit of interaction and changes made to it. An embedded computer within a traffic light, to take another example, is probably quite fixed. The computer is one of the most powerful innovations in human history. With the use of Computers, people are suddenly able to perform a staggering amount of computations at dazzling speeds. As technology continues to advance, the computer will no doubt become even more pervasive — and in many cases, likely even less recognizable. An electronic computer is an electronic machine that runs software and accepts user input of data or commands. Even with a computer the heart of the machine is the Micro Processor or refereed to the CPU which can be an array of them. Some times equipment is run from Computers. In some specialized uses uP are integrated in systems like flight controls that can run specialized software but are not considered Computers or PC. The technicians and engineers that work on these systems are not considered as computer people but avionics systems workers. They do employ computer software and hardware engineers to integrate the systems to uP control. Then you have factory or other automated systems that may interface with Computers but the people who maintain or design them are not computer people. I agree, it is a hard task to speak of Computers without getting into the specifics of the many operations they carry out. A computer is a machine that accepts data, processes it, and then outputs information. If you don’t understand what a computer is now in 2009, then go churn some more butter. Once, Computers required large amounts of power to work and were used for code breaking. Cellular telephones, ATM machines, gas pumps and millions of other devices all make use of Computers to work and without a computer, making these machines work would be impossible. If one computer can do a job, then any other computer in the world can do the same job, though it can take different times for each computer to do it. For example, it can take one computer one second and a different computer maybe even a few years. I also learned that long ago, you needed a lot of energy to use a computer, so you could only use it sometimes. But, these days most people can’t live without a computer. but now they decreased in size, the power need has lowered immensely and this allowed the power of the computer to be harnessed for a staggering array of uses. Cellular telephones, ATM machines, gas pumps and millions of other devices all make use of Computers to work and without a computer making these machines work would be impossible. Some Computers can do a 100 calculations in one second others take hours for a simple calculation. But anything one computer is capable of doing, another computer will also be able to do it. Many things are stored in a computer like: music, games, e-mail,etc. The computer is a technology we use in our daily lives. The computer is made of very small parts. There are many types of Computers such as personal and super. Everyone around the world uses a computer. In the end I would like to say Computers is something we need in our daily lives. I understand that a computer takes instructions and does the job. I did not know that Computers used to be really huge and took a lot of power. Even a gasoline pump is operated by a computer. I see that Computers have made the world an easier place, but if you do not handle them with care, they could be hazardous to a child’s health. There are many electronics and other technologies that have come from Computers including: Ipods, MP3′s, and video games like the PlayStation 3. How can we relate this simple definition of a computer, i. My computer model is the Averatec 3200. ” therefore, I would say that: A computer is a device that takes information(DATA), does something with it called processing and gives output/storage. Hardware: All the physics parts of the computer; example:Monitor, C. Software: The instructions that run a computer; example:Windows XP, Word, Lotus notes. , for more information on computer errors. 9we use Computers in order to do a lot of work in shorter time, because Computers can do millions of work in shorter time. The two principal characteristics of a computer are:It responds to a specific set of instructions in a well-defined manner. All general-purpose Computers require the following hardware components:memory : Enables a computer to store, at least temporarily, data and programs. mass storage device : Allows a computer to permanently retain large amounts of data. input device : Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer. output device : A display screen, printer, or other device that lets you see what the computer has accomplished. central processing unit (CPU): The heart of the computer, this is the component that actually executes instructions. For example, every computer requires a bus that transmits data from one part of the computer to another. In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data. A workstation is like a personal computer, but it has a more powerful microprocessor and a higher-quality monitor. minicomputer : A multi-user computer capable of supporting from 10 to hundreds of users simultaneously. mainframe : A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously. supercomputer : An extremely fast computer that can perform hundreds of millions of instructions per second. For more than 40 years, developers, researchers, and managers have relied on Computer for timely, peer-reviewed information about research, trends, best practices, and changes in the profession. It helps me stay up to date with computer news, and keeps me aware of changing trends. A third article presents a seminal approach to designing Computers that work without any microelectronics at all. The fourth discusses and evaluates the fact that when working with devices at the nanometer scale, architects must be exceptionally careful if they are to design a computer that is reliable at the system level. Renew your IEEE Computer Society membership today to continue getting access to Safari Books Online, technical and business online courses, and substantial savings on publications, products and services. With nearly 85,000 members, the 64-year-old IEEE Computer Society is the world’s premier organization of computing professionals, with rich offerings in publications, standards, certifications, conferences, and more. We publish or sponsor over 30 magazines and scholarly journals, as well as books and conference proceedings, covering all aspects of computer science and engineering. MembershipBecome part of the communityCurrent Focus:Join Today for US$99Become a professional member of the IEEE Computer Society for just US$99. Members receive a subscription to Computer, free access to e-learning courses and online books, and significant savings on publications, conferences, and certification. The latest updates from IEEE Computer Society experts are now only a click away. Current Feature:Browse by SubjectFind your way quickly to the technology fields that interest you with the Browse by Subject feature in the Computer Society Digital Library. The IEEE Computer Society’s New Media Center features podcasts, interviews, videos, and webinars in which experts explore hot technologies and distinguish between best practices and hype. Browse book titles co-published with Wiley Books, proceedings from the hundreds of Computer Society-sponsored conferences every year, and publications edited by leading software experts. The IEEE Computer Society sponsors over 200 conferences around the world, bringing together computer scientists and engineers to explore the leading edge of technology. Or stop by Booth 2633 to spin the Computer Society prize wheel. The IEEE Computer Society and Symform are hosting a free webinar exploring future storage models. The registration deadline has been extended to Monday, 14 February for the IEEE Computer Society student design contest. Adhiparasakthi Engineering College has signed a memorandum of understanding with Registered Education Provider Purna Career Solutions to offer IEEE Computer Society software development education programs to APEC students. Pace University’s Seidenberg School of Computer Science and Information Systems will offer master’s students in Software Development and Engineering a rigorous program of preparation leading to certification as Certified Software Development Associates (CSDAs). IEEE Computer Society 2011 President Sorel Reisman is beginning his term by launching a video blog and Twitter feed to increase member engagement, establishing an advisory board to better meet the academic audience’s needs, and helping implement social-networking-based communities to serve specific technical interests. The IEEE Computer Society’s Conference Publishing Services (CPS) division has announced plans to offer conference organizers the option to publish their proceedings online. EIC Searches & ReappointmentsThe IEEE Computer Society seeks applicants for the position of editor in chief, serving two-year terms starting 1 January 2013. For more information on the search process and to submit application materials for the following title, please contact Robin Baldwin, rbaldwin@computer. Most of the computer cases are made of steel or aluminum. Some parts of a computer case can also be made of plastic. HTPC (Home Theater PC), or Media Center Cases are used for a personal computer specifically designed to help you manage your multimedia and video assets, sometimes including digital video recorder functions. HTPC/Media Center Cases also can be used to serve media files to other Computers /devices on a network, play games or provide access to other media files and programs. Newegg is proud to offer a wide variety of computer cases, case accessories, controller panels, HTPC/Media Center Cases and server chassis. Find the computer case you are looking for at Newegg. Receive the latest Computer news and deals. Receive the latest Computer Part news and deals. Testimonials TD is the only place I buy computer parts. first started using TD back in like 2003, when I was in the process of building my first computer. Well, now it’s 2010 and that computer I built is still running strong. Sign up Since its debut in 1987, the TigerDirect catalog delivers the hottest deals in Computers and electronics to your front door. Most computer-savvy people know about viruses and how to prevent an infection. Hardware VideosComputer Virus VideosMore Great Links:What’s new on DiscoveryCould a single hacker crash a country’s network. HowStuffWorks Computer answers your home networking questions and more. From USB connectors to motherboards, the HowStuffWorks Computer Hardware Channel will help you find explanations, reviews, videos and prices for the parts you need. Peripherals are pieces of hardware that you add to your computer. In the Computer Peripherals Channel, find explanations, reviews, videos and prices on these parts, plus how they communicate with your computer. From authentication to encryption keys, learn how to keep your computer’s hard drive protected and your personal information safe. Software refers to the programs your computer uses to perform the actions you want it to. Learn all about computer software, from Web browsers to the latest operating systems, with our explanations, reviews, videos and prices. If you’re thinking of networking the Computers in your home, you have several options to explore. Offering desks, computer desks, computer desk, corner desks,glass desks, executive desks and other home office furniture. Enhance productivity and work more efficiently from a well built, well designed computer desk. Don’t forget about the computer carts, bookcases, filing cabinets, printer stands, and more. Don’t Forget a Computer Chair:We also carry a 100′s of computer chairs. Do you already know which brand of computer desk you are looking for. We know you will be happy with the price and the quality of the computer desk you order. Our laptop computer desks offer beautiful designs made from classic hardwoods. Find a versatile computer carts that’ll roll as smoothly as you do. More than just afunctional and stylish furniture piece, a computer desk is an oasis of normalcy in a nomadic world. Search More information about Computer desks Create a stylish, modern workspace with a computer desk from Overstock. Our premium desks and computer workstations give you an efficient workspace for your computer, with compartments sized for your computer and its peripherals. Whatever your style and space requirements are, you’re sure to find a great wood or glass computer desk on sale at Overstock. Corner computer desks are an excellent way to create space for your computer without letting the desks dominate the room. A petite computer desk, such as a wedge glass computer desk, is a low-profile option that fits into the corner of any room. For more room to work, try an L-shaped glass computer desk. Most computer desks feature a specific compartment to hold the computer case. 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