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Motherboard presentation it


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motherboard, bus and machine cycle

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Motherboard presentation it

  1. 1. Caleigh Crowell Jacob Moore
  2. 2. What Is A Motherboard?  Primary Circuit  Connects all core components
  3. 3. Why A Motherboard Matters  Allows components to communicate  General-purpose and special-purpose
  4. 4. Who Has A Motherboard  Desktop PCs  Notebook PCs  Cell phones  IPods  Servers  Supercomputers  Outside devices to be connected to the system components
  5. 5. Picture of IPhone Motherboard
  6. 6. Personal Computer Motherboard  Sockets of microprocessor, main memory, ROM, expansion slots  Also includes buses
  7. 7. Different Size Motherboards  Small ex. netbooks, tablets, or smart phones  Large ex. Alienware Area-51 ALX desktop comptuer
  8. 8. What is A Bus?  Subsystem  Transfers data
  9. 9. Why Does A Bus Matter?  Connects components of computer system
  10. 10. Speed of the Bus  Impact performance of a CPU
  11. 11. Front Side Bus  More commonly known as the FSB  Considered the most important bus  Connects the CPU to the northbridge
  12. 12. Other Bus’s  Internal Bus  PCI Bus - Connects external devices to the core system components through expansion slots, or USB or PCI connections.  LPC Bus - Connects ROM and sometimes other input devices to the CPU.
  13. 13. Machine Cycles
  14. 14. Definition  Machine Cycle - used as an orderly method of processing software instructions.
  15. 15. Why This Matters  Provides organized method for the processor to carry out instructions from the server.  Without the machine cycle the processor would not be able to execute software code.
  16. 16. Step 1  Fetch Instructions are fetched from primary storage (RAM) or its cache memory.
  17. 17. Step 2  Decode The control unit decodes the instruction and then sends it to the arithmetic logic
  18. 18. Step 3  Execute The decoded instruction is sent to the ALU to execute.
  19. 19. Step 4  Store The results of the instructions are stored back primary storage.
  20. 20. Machine Cycle Facts  Today’s processors can overlap machine cycles and even execute multiple instructions simultaneously.  Machine Cycle’s keep computers running smoothly, and processing orderly.