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SYSTEM UNIT
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Microprocessor Details - E-Commerce - Lecture Slides, Slides of Fundamentals of E-Commerce
E-Commerce is a growing and dynamic field. It is of special concern for the IT students. Following are the fundamental aspects of these Lecture Slides : Microprocessor Details, Microprocessors, Memory, Unit Components, Microprocessor Components, Word Size, System Board, Main Board, Circuit Board, Electronic Components
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2012/2013
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SYSTEM UNIT
Lecture Objectives
System unit components
Microprocessors Memory
Microprocessor Details
Microprocessor Components
Main Types (CISC/ RISC) ofMicroprocessors
Word Size of a Microprocessor
System Board
Connects all components Allows communication between devices Main board or motherboard Circuit boardelectronic components
Sockets Slots Bus lines
Microprocessor
Central Processing Unit (CPU ) Two basic components
Control unit Arithmetic and logic unit
… The Microprocessor chip
Input DevicesInput Devices
Output DevicesOutput Devices
Mouse Keyboard Printer Screen Program ProblemData Control Unit ALU
Microprocessor Chips
Chip capacities are expressed in
word
sizes
Types of microprocessor chips
CISC chips: Complex instruction chips
Most widely used design Used by Intel
RISC chips: Reduced instruction set computer chips
Uses fewer instructions Design is simpler and less costly Used by the PowerPC
Microprocessor & Server Chips Manufacturer Processor Type Typical Use Intel Pentium CISC Microcomputers AMD Athlon CISC Microcomputers hammer CISC Workstations Motorola PowerPC RISC Apple computers Sun SPARC RISC Workstations
Microprocessor Chips
Word size
Number of processed bits Expresses chip capacity Size of word determines power
32 bit processor– 4 bytes at atime 64 bit processor – 8 bytes at atime
More Microprocessor Detail
on the Web
The Pentium 4 and the PowerPC G4e (and Part II ) http://www.arstechnica.co m/cpu/01q2/p4andg4e/p4 andg4e-1.html a detailed comparison of the very different designs of the world's two most popular processors. Inside the IBM PowerPC 970 (and Part II ) http://www.arstechnica.co m/cpu/02q2/ppc970/ppc9 70-1.html a detailed look at the design of the just-released PowerPC G5, including comparisons to the G4e and Pentium-4. Into the K (and Part II )^ http://www.arstechnica.co m/cpu/3q99/k7_theory/k7 -one-1.html a detailed look at the Athlon, the only competitor to ever really challenge Intel's dominance in the world of x86 processors. The UltraSPARC III http://www.aceshardware. com/Spades/read.php?arti cle_id= a brief look at the only mainstream processor to still use purely in-order execution, along with its other features such as a wave-pipelined D- cache. Itanium: Titan or Titanic? http://www.aceshardware. com/read.jsp?id=4500018 3 a brief look at both the design and the performance of "the most controversial Intel CPU the industry has ever seen". The Pentium 4 and Hyper- Threading http://www.aceshardware. com/read.jsp?id=5000031 9 some benchmarks for real-world applications showing where SMT helps and where it doesn't (at least