CPUs Used in PCs-Computer Fundamentals-Lecture Slides, Slides of Computer Fundamentals

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This lesson introduces:

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Intel Processors

-^ AMD Processors •^

Cyrix Processors

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Motorola Processors

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RISC Processors

CPUs Used in Personal Computers –Intel Processors •^

Since 1978, Intel's processors have evolved from the8086 and the 8088 to the 80286, 80386, and 80486, tothe Pentium family of processors. All are part of the80x86 line.

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Intel's Pentium family of processors includes thePentium, Pentium Pro, Pentium with MMX, PentiumII, Pentium III, Celeron, and Xeon processors.

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The earliest Intel processors included only a fewthousand transistors. Today's Pentium processorsinclude 9.5 million transistors or more.

CPUs Used in Personal Computers –AMD Processors^ •^

Advanced Micro Devices (AMD) was long known as aprovider of lower-performance processors for use inlow-cost computers.

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With its K6 line of processors, AMD challenged Intel'sprocessors in terms of both price and performance.

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With the K6-III processor, AMD broke the 600 MHzbarrier, claiming the "fastest processor" title for thefirst time in IBM-compatible computers.

The AMD K6-III

processor

The CyrixProcessor

CPUs Used in Personal Computers –Motorola Processors^ •^

Motorola makes the CPUs used in Macintosh andPowerPC computers.

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Macintosh processors use a different basic structuraldesign (architecture) than IBM-compatible PCprocessors.

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With the release of the G3 and G4 PowerPC processors,Macintosh computers set new standards for price andperformance.

CPUs Used in Personal Computers- RISC Processors •^

Most PCs are based on complex instruction setcomputing (CISC) chips which contain largeinstruction sets.

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Reduced instruction set computing (RISC) processorsuse smaller instruction sets.

This enables them to

process more instructions per second than (CISC)chips.

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RISC processors are found in Apple's PowerPCsystems, as well as many H/PCs, workstations,minicomputers, and mainframes.

Compaq’s AlphaServer computers are based on

RISC processors

le s s o n 8 R e v i

e w

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Name the three best-known families of CPUs and listtheir differences.

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List all the processors in Intel’s 80x86 line ofprocessors.

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Identify the key processor families from AMD andCyrix.

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Differentiate the processors used in Macintosh andIBM-compatible PCs.

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Define the terms CISC and RISC.

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Identify one advantage of using multiple processors incomputers.