Buses And Its Types Formation

In This you will know differents types of System Bus
there Functions And About there Work

1. Name: Hassan Mansoor Program: Bs (CS) 4 TH Semester Topic To Present: “Buses & Its Types” Professor Name: “ Mr.Haseeb Khalid”

2. CONTENTS: What is bus? Bus Width. System Bus. Data Bus. Address Bus. Control Bus. Expansion Bus and Its Types.

3. What Is Bus? Devices are connected together by a communications channel  called Bus. T o move a large amount of bits in the form of electrical pulses from one unit to another.

4. Bus Width: The amount of data that a bus can carry at one time is called   bus width 32 Lines Carry 32-bit Data Or 4 Bytes.

5. The bus is used to connect the following units: Central Processing Unit 1.Control Unit 2.Arithmetic and Logic Unit Main Memory (RAM, ROM) Input / Output Devices

6. System Bus:

7. Data Bus: Transfer data between different components of the computer.   It transfers instructions from to CPU for execution . The data bus lines are B i-directional and can carry data to or from memory.

8. Address Bus:   Identify particular addresses in main memory . A computer with a 32-bit address bus can directly address 4GB of physical memory.

9. Control B us:   Transmit different commands from one component to another component. A control signal contains the following: Timing Information:  It specifies the time for which a device can use data and address bus. Command Signal:  It specifies the type of operation to be performed.

10. Expansion Bus: The buses that connect CPU to the peripheral devices are called   expansion buses .   Provide faster transfer speeds and wider bit widths for higher data transfer rates

11. Some Common Expansion Buses: Peripheral Component Interconnect (PCI bus). PCI Express ( PCIe ) bus AGP Bus USB FireWire/1EEE 1394 Bus ISA Bus

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