hyperthreading
Windows XP and Windows Vista, Intel's Hyperthreading did not exist before these Operating Systems. Now I may be wrong here, but I am confident that hyperthreading is a technology built into the processor itself, and any operating system should be able to utilize it. You are right to the extent that Hyper Threading is built into the processor itself, but a chipset and OS which supports hyper threading are also required. Here is the link which gives the list of OS which supports Hyperthreading http://www.intel.com/support/processors/sb/CS-017343.htm Windows XP supports HT Technology ,but widows and windows 9x/me does not
Intel has HyperThreading, and AMD uses HyperTransport, so the logical processor can run threads in parallel with other processors in the chipset. (see A+ 220-701).
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A traditional processor normally isn't 100% active. There are some parts of the processor that specialise in different processes, and they can only process one thread (or task) at a time, so when it is doing one process, other parts of the processor used for other things remain idle. A hyperthreading processor is seen in operating systems as 2 CPUs so it is given 2 threads (or tasks if you like) at once. The processor then processes one thread, and uses inactive parts of the processor to process the other thread.
Processor Technology was created in 1975.
Hyper-Threading Technology (HT Technology) is the brand under which Intel markets a generation of processors that can increase efficiency by improving multi-task processing, and are ideal in multi-threaded environments.
Hyperthreading is cheaper, and will produce less heat. Overall though, dual-cores are better.
Hyperthreading has to be enabled or disabled in the BIOS.
Macintosh's processor (produce by Intel) are the most common use RISC technology.
Actually, hyperthreading is Intel's name for its implementation of simultaneous multithreading.
A few new sockets came out with Pentium 4. I know 423, 478, and 775 were used during this time. It was based on the Netburst architecture, which was new with this version of Pentium. Northwood was one of the new revisions of pentium 4, that's new too. The most gaping new technology was HTT. Hyperthreading Technology, which actually did not premier with the Pentium 4, but was developed late in the life of P4, and applied for the first time here.