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neha
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Fri Oct 02, 2009 10:30 pm
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Post subject: Dual Core Processor For Fastening PC's 
Computer Seminar Topics >> Dual Core Processor
A dual core processor is a CPU with two separate cores on the same die, each with its own cache. It's the equivalent of getting two microprocessors in one. In a single-core or traditional processor the CPU is fed strings of instructions it must order, execute, then selectively store in its cache for quick retrieval. When data outside the cache is required, it is retrieved through the system bus from random access memory (RAM) or from storage devices. Accessing these slows down performance to the maximum speed the bus, RAM or storage device will allow, which is far slower than the speed of the CPU. The situation is compounded when multi-tasking. In this case the processor must switch back and forth between two or more sets of data streams and programs. CPU resources are depleted and performance suffers.In a dual core processor each core handles incoming data strings simultaneously to improve efficiency. Just as two heads are better than one, so are two hands. Now when one is executing the other can be accessing the system bus or executing its own code. Adding to this favorable scenario, both AMD and Intel's dual-core flagships are 64-bit.To utilize a dual core processor, the operating system must be able to recognize multi-threading and the software must have simultaneous multi-threadi0ng technology (SMT) written into its code. SMT enables parallel multi-threading wherein the cores are served multi-threaded instructions in parallel. Without SMT the software will only recognize one core. Adobe Photoshop is an example of SMT-aware software. SMT is also used with multi-processor systems common to servers. An attractive value of dual core processors is that they do not require a new motherboard, but can be used in existing boards that feature the correct socket. For the average user the difference in performance will be most noticeable in multi-tasking until more software is SMT aware. Servers running multiple dual core processors will see an appreciable increase in performance.
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bamirthampr
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Sat Oct 03, 2009 9:23 pm
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Post subject: Re: Dual Core Processor For Fastening PC's
thanks
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graham
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Mon Oct 05, 2009 10:24 pm
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Post subject: Re: Dual Core Processor For Fastening PC's
Cool Neha I never knew that thanks any idea of the cost?
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sangkeertanan
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Fav Quote: no one is too old to learn, no one is too young to teach
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Sat Oct 10, 2009 10:42 pm
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Post subject: Re: Dual Core Processor For Fastening PC's
if i'm not mistaken, currently quad core pcs are already on the market rite? they are more faster den dual core, n den der is also core duo, which is like one core but its like havin two cores, where one is like virtual..am i correct? ..^^
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