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1.5: Unit 1 Summary

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    At the end of this unit, you will be conversant with the advanced functional organization of computer. This is by learning how data transfers occurs in the computer, the architecture of the microprocessor, the types of transfer of instructions within the computer and the processor and system performance of the computer.

    Unit Assessment

    The following section will test your understanding of this unit Instructions
    Answer the following questions

    1. Differentiate between computer architecture and computer organization.
    2. Explain the significance of layered architecture.
    3. Explain the various types of performance metrics.

    Grading Scheme

    The marks will be awarded as shown below

    question sub-question marks awarded
    1 Any difference award 2 mark 8
    2 any significance listed award 1.5 mark, maximum 4 significances 6
    3 Explanation only 2 marks. 6
    Each significance listed award 1 mark (maximum 4)
    Total 20


    1. Difference between computer architecture and computer organization:

    Computer architecture Computer organization
    It includes emphasis on logical design, computer design and the system design It includes emphasis on the system components, circuit design, logical design, structure of instructions, computer arithmetic, processor control, assembly language, programming methods and of performance enhancement
    It is concerned with structure and behaviour of computer as seen by the user Computer organization is concerned with the way the hardware components operate and the way they are connected together to form the computer system

    2. Explain the significance of layered architecture

    Significance of layered architecture: In layered architecture, complex problems can be segmented into smaller and more manageable form. Each layer is specialized for specific functioning. Team development is possible because of logical segmentation. A team of programmers will build. The system and work has to be sub-divided of along clear boundaries.

    3. Explain the various types of performance metrics.

    Performance metrics include availability, response time, Channel capacity, latency, Completion time.

    This page titled 1.5: Unit 1 Summary is shared under a CC BY-SA license and was authored, remixed, and/or curated by Harrison Njoroge (African Virtual University) .

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