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    Cpu Cpu Presentation Transcript

    • CPU (CENTRAL PROCESSING UNIT ) ESMA IŞIL 2006514010
    • introduction
      • What is the CPU?
      • CPU components.
      • CPU function
      • Branching Instructions
      • Clock pulses
      • Fixed-Point and Floating-Point Numbers
      • Measuring CPU speed
      • Processor brand manufacturers
      • Early computers
      • The transistor
      • The integareted circuit
    • What is the cpu?
      • The Central Processing Unit (CPU) is the brain of the computer. Without the CPU, you have no computer.
    •  
    • CPU COMPONENTS
      • Core
      • Math Co-processor (ALU)
      • Instruction sets / Microcode
      • Multimedia extensions
      • Registers
      • Flags
      • Pipelining
      • Cache
    • Cpu function
      • A CPU is similar to a calculator, only much more powerful. The main function of the CPU is to perform arithmetic and logical operations on data taken from memory or on information entered through some device, such as a keyboard.
    • Branching Instructions
      • These branches are either unconditional or conditional. An unconditional branch always jumps to a new, out of order instruction stream. A conditional branch tests the result of a previous operation to see if the branch should be taken.
    • Clock Pulses
      • The CPU is driven by one or more repetitive clock circuits that send a constant stream of pulses throughout the CPU’s circuitry.
    • Fixed-Point and Floating-Point Numbers
      • Most CPUs handle two different kinds of numbers: fixed-point and floating-point numbers.
    • MEASURING CPU SPEED
      • The main measurement quoted by manufacturers as a supposed indication of processing speed, is the clock speed of the chip measured in hertz.
    • PROCESSOR BRAND/ MANUFACTURERS
      • American Micro Devices (AMD)
      • Intel
      • Motorola
      • Cyrix
    •  
    • 22,000,000 1999-2000 AMD K7 Athlon 7th Generation 27,400,000 18,900,000 9,300,000 -- 28,000,000 1999 Mobile Pentium II Mobile Celeron Pentium III AMD K6-3 Pentium III CuMine Improved 6th Generation 5,500,000 8,800,000 7,500,000 9,300,000 1995 1997 1997 1998 Pentium Pro AMD K6 Pentium II AMD K6-2 6th Generation 4,500,000 6,000,000 6,000,000 1997 1997 1998 Pentium MMX IBM/Cyrix 6x86MX IDT WinChip2 3D Improved 5th Generation 3,100,000 -- -- 3,500,000 1993-95 1996 1996 1997 Pentium Cyrix 6x86 AMD K5 IDT WinChip C6 5th Generation 1,200,000 1990-92 80486SX, 80486DX, 80486DX2 and 80486DX4 4th Generation 275,000 1987-88 80386SX and 80386DX 3rd Generation 134,000 1984 80286 2nd Generation 29,000 1978-81 8086 and 8088 1st Generation Number of Transistors Year CPU's PC
    • Early Computers
      • I n the first computers, CPUs were made of vacuum tubes and electric relays rather than microscopic transistors on computer chips
    • The Transistor
      • A solution to the problems posed by vacuum tubes came in 1948, when American physicists John Bardeen, Walter Brattain, and William Shockley first demonstrated a revolutionary new electronic switching and amplifying device called the transistors.
    • The Integrated Circuit
      • Development of the computer chip started in 1958 when Jack Kilby of Texas Instruments demonstrated that it was possible to integrate the various components of a CPU onto a single piece of silicon.
    • references
      • www.geocities.comcfleriintro.com
      • www.webinstituteforteachers.org~dmooreIntroBasicWebDesigncpu.com
      • www.encarta.msn.comencyclopedia_761556091Central_Processing_unit
      • www.inetdaemon.comtutorialscomputershardwarecpuindex.com
      • www.elektrotekno.com
      • www.wikipedia.com
      • www.fotosearch.com
      • www.computerhope.com
      • www.howstuffwork.com