Wednesday, January 19, 2011

microprocessor Previous Terms-of-the-Day Term of the Day XML/RSS feed Term of the Day Google Gadget    Term of the Day on Twitter A silicon chip that contains a CPU. In the world of personal computers, the terms microprocessor and CPU are used interchangeably. At the heart of all personal computers and most workstations sits a microprocessor. Microprocessors also control the logic of almost all digital devices, from clock radios to fuel-injection systems for automobiles. Three basic characteristics differentiate microprocessors: Instruction set: The set of instructions that the microprocessor can execute. bandwidth : The number of bits processed in a single instruction. clock speed : Given in megahertz (MHz), the clock speed determines how many instructions per second the processor can execute. In both cases, the higher the value, the more powerful the CPU. For example, a 32-bit microprocessor that runs at 50MHz is more powerful than a 16-bit microprocessor that runs at 25MHz. In addition to bandwidth and clock speed, microprocessors are classified as being either RISC (reduced instruction set computer) or CISC (complex instruction set computer). See the Microprocessor Comparison Chart page in the Quick Reference section of Webopedia for a comparison of microprocessors. eBook: What to Expect With Virtualization "Download this Internet.com eBook to learn about the benefits of this exciting technology as well as the risks and make sure your IT organization is ready." Download this Internet.com eBook now. Click Here.  Interested in placing your AD HERE? Click Here Microprocessor Comparison Chart Processor Architecture and Operation Processor Physical Characteristics PC system processor reference guide National Semiconductor home page VLSI Microprocessors Webopedia is on Facebook, Let's connect! Webopedia is on Facebook, are you? Let's connect! Join more than 1,500 Webopedia fans on Facebook and interact with the site's editors, post messages on the "Webopedia Wall," plus add comments on term definitions, articles, discuss technology and even suggest topics for inclusion in Webopedia.

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