tag:blogger.com,1999:blog-89824705165218183652012-01-26T23:07:33.253-08:00This blog contains articles about computer, keyboard, hard disk, random access memory RAM, downloads, MotherboardJameshttp://www.blogger.com/profile/09406939040259813258noreply@blogger.comBlogger131100tag:blogger.com,1999:blog-8982470516521818365.post-54569892355068818922009-02-03T10:30:00.000-08:002009-02-03T10:32:09.725-08:00

It is difficult to identify who the device as the earliest computer, partly because the term "computer" is subject to different interpretations over time. Originally, the term "computer" referred to the person who performed numerical calculations (a human computer), often with the help of a mechanical calculating device.History of the modern computer begins with two separate technologies - that

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The first devices that resemble modern computers date to the mid 20th century (1940-1945), although the computer concept and various machines similar to computers existed earlier. Early electronic computers were the size of a large room, consuming as much power as several hundred modern personal computers (PC). Modern computers are based on small integrated circuits and are millions to billions

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The color printing a company has done is often the first thing a person will see in connection to that company. This is the very point of most advertising. You’re trying to target people who either don’t know who you are or haven’t had any interest before in shopping at your store.This means your advertising is going to be a very important part of your marketing push, and the backbone of any good

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Virus And PC Protection HelpVirus can not only intimidate your isolation, they can lessen your PC performance and even hang your PC.A lot of computer users have put back their PCs considering the computer is not doing fine enough when they truly want to take away the virus from their computer to get good performance.You can avoid and treat the problem of Virus and other unreceptive software by

Jameshttp://www.blogger.com/profile/09406939040259813258noreply@blogger.com1tag:blogger.com,1999:blog-8982470516521818365.post-89425269376656747932007-01-08T05:47:00.001-08:002007-01-08T05:47:59.893-08:00

Special-purpose supercomputers are high-performance computing devices with a hardware architecture dedicated to a single problem. This allows the use of specially programmed FPGA chips or even custom VLSI chips, allowing higher price/performance ratios by sacrificing generality. They are used for applications such as astrophysics computation and brute-force codebreaking.Examples of

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The parallel architectures of supercomputers often dictate the use of special programming techniques to exploit their speed. Special-purpose Fortran compilers can often generate faster code than C or C++ compilers, so Fortran remains the language of choice for scientific programming, and hence for most programs run on supercomputers. To exploit the parallelism of supercomputers, programming

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Supercomputer operating systems, today most often variants of Linux or UNIX, are every bit as complex as those for smaller machines, if not more so. Their user interfaces tend to be less developed, however, as the OS developers have limited programming resources to spend on non-essential parts of the OS (i.e., parts not directly contributing to the optimal utilization of the machine's hardware).

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Vector processing techniques were first developed for supercomputers and continue to be used in specialist high-performance applications. Vector processing techniques have trickled down to the mass market in DSP architectures and SIMD processing instructions for general-purpose computers.Modern video game consoles in particular use SIMD extensively and this is the basis for some manufacturers'

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Supercomputers using custom CPUs traditionally gained their speed over conventional computers through the use of innovative designs that allow them to perform many tasks in parallel, as well as complex detail engineering. They tend to be specialized for certain types of computation, usually numerical calculations, and perform poorly at more general computing tasks. Their memory hierarchy is very

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Software tools for distributed processing include standard APIs such as MPI and PVM, and open source-based software solutions such as Beowulf and openMosix which facilitate the creation of a sort of "virtual supercomputer" from a collection of ordinary workstations or servers. Technology like ZeroConf (Rendezvous/Bonjour) pave the way for the creation of ad hoc computer clusters. An example of

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Supercomputers introduced in the 1960s were designed primarily by Seymour Cray at Control Data Corporation (CDC), and led the market into the 1970s until Cray left to form his own company, Cray Research. He then took over the supercomputer market with his new designs, holding the top spot in supercomputing for 5 years (1985–1990). Cray, himself, never used the word "supercomputer," a

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A supercomputer is a computer that leads the world in terms of processing capacity, particularly speed of calculation, at the time of its introduction. The term "Super Computing" was first used by New York World newspaper in 1920 to refer to large custom-built tabulators IBM made for Columbia University.

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A computer is a machine for manipulating data according to a list of instructions.Computers take numerous physical forms. Early electronic computers were the size of a large room, consuming as much power as several hundred modern personal computers. [1] Today, computers can be made small enough to fit into a wrist watch and be powered from a watch battery. Society has come to recognize personal

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