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Welcome

Welcome. Class: IX- B.Std. Subject: Computer Studies. Conducted by. Rashedul Islam Lecturer in Computer Science. Computer Organization. Organization of computer in the early age.

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Welcome

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Presentation Transcript

  1. Welcome Class: IX-B.Std Subject: Computer Studies Conducted by Rashedul Islam Lecturer in Computer Science

  2. Computer Organization

  3. Organization of computer in the early age CPU, Mathematical Logic Unit, Control Unit, Input-output, Memory would place separately in the hardware portion. Example: IBM 1620

  4. Organization of computer at present Hardware Software CPU Operating system Input Output Application program

  5. CPU(Microprocessor)

  6. Major works done by CPU Microprocessor has 3 parts Control unit Memory unit ALU

  7. Control Unit Output unit Input unit ALU Memory Control signal

  8. Instruction cycle Start Instruction fetch and decode (Fetch cycle) Instruction Execution (Execution cycle) Stop

  9. BUS Address Bus (Unidirectional) Data Bus Control Bus

  10. Other famous Buses VESA ISA EISA PCI USB Fire wire

  11. Group # Group activities 1 Write down importance of microprocessor 2 Describe activities of control unit.

  12. Evaluation

  13. Home Work How CPU can be used to process result of any exam?

  14. THANK YOU

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