CS401 Assignment 1 Solution and Discussion Spring 2020


  • Cyberian's Gold

    Re: CS401 Assignment 1 Solution and Discussion

    Computer Architecture and Assembly Language Programming (CS401)
    Assignment # 01
    Total marks = 20

    Deadline Date
    June 1, 2020

    Please carefully read the following instructions before attempting assignment.
    RULES FOR MARKING
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    Topic Covered:
    • Segmented Memory Model
    • Addressing Modes
    NOTE
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    Q 1. Calculate the effective address for the following set of values. (5)
    Code Segment = 6032h
    BX = 3060h
    DI = 4001h
    Offset = 0470h

    Q 2. Find the physical Address, if segment address is FF01H and offset is FF02H.(7)

    Q 3. Calculate the offset when the physical address is 003Ch and the contents of segment register are 003Ah. (8)

    “The End”


  • Cyberian's Gold

    @zaasmi said in CS401 Assignment 1 Solution and Discussion Spring 2020:

    Q 3. Calculate the offset when the physical address is 003Ch and the contents of segment register are 003Ah. (8)

    Solution:
    Physical address = (Segment Address0x10) + Offset address.
    Offset Address = Physical address – (Segment Address
    0x10).
    = 0003Ch – (003Ah*0x10)
    = 0003Ch - 003A0h
    = FC9Ch


  • Cyberian's Gold

    @zaasmi said in CS401 Assignment 1 Solution and Discussion Spring 2020:

    Q 2. Find the physical Address, if segment address is FF01H and offset is FF02H.(7)

    Solution:
    Physical address = (Segment Address*0x10) + Offset address.
    = (FF01h * 0x10) + FF02h
    = FF010h + 0FF02h
    = 0EF12h


  • Cyberian's Gold

    @zaasmi said in CS401 Assignment 1 Solution and Discussion Spring 2020:

    Q 1. Calculate the effective address for the following set of values. (5)
    Code Segment = 6032h
    BX = 3060h
    DI = 4001h
    Offset = 0470h

    Solution:
    Effective address = Base + Index + Offset
    = 3060h + 4001h + 0470 h
    = 74D1h



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