Data flow in a computer

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Information about Data flow in a computer

Published on January 7, 2014

Author: OriginalGSM



For Unit 3, P3 in my Cisco work.
I have uploaded this to explain input and output devices, the system bus, and north/south bridge.

P3-Represent data flow around the computer By George Smith-Moore

Block diagram of the computer system. Processing Input Output Input devices: Output devices: It is used to insert data into a computational device Mouse Keyboard Joystick Controller It is used to retrieve information from a computational device CPU Output Input Memory Monitor Projector Speakers

CPU MEMORY INPUT AND OUTPUT It is used by the CPU to communicate with other devices Address BUS It is used to specify a physical address for the CPU Data BUS It allows the transfer of data between two components on the motherboard, or between two computers. System BUS Control BUS

The Northbridge connects with the faster I/O’s such as the RAM and the AGP, the Northbridge is bigger looking than the Southbridge, the Southbridge connects with the slower I/O’s such as the USB and the BIOS. AGP The Northbridge and Southbridge refer to the chipsets. CPU F S B RAM North Bridge (GPU) Legacy PCI(e) BIOS South Bridge USB ISA (Industry standard architecture) IDE (integrated drive electronics)

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