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Assembly Programming Language Quiz 2

Description: Assembly Programming Language Quiz 2
Number of Questions: 8
Created by:
Tags: assembly
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Attempted 0/8 Correct 0 Score 0
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What is the value of over flow (O) flag after the instruction: SUB AX,AX










assembly





    

  1. 

    Set
    

    2. 

  2. 

    Cleared
    

    3. 

  3. 

    Unknown
    

    4. 

  4. 

    none of the above
    

    5. 










 Show answer












Correct Option: B













The operating system functions:









assembly





    

  1. 

    System boot
    

    2. 

  2. 

    Running applications
    

    3. 

  3. 

    Both wrong
    

    4. 

  4. 

    Both correct
    

    5. 










 Show answer












Correct Option: D













What about the Stack segment in .COM program during execution:









assembly





    

  1. 

    Must be defined explicitly in the program
    

    2. 

  2. 

    DOS uses the high area of the COM program for the Stack
    
 
    3. 

  3. 

    There is no stack for .COM program during execution
    

    4. 

  4. 

    none of the above
    

    5. 










 Show answer












Correct Option: B













The physical address 12345 can be represented by the logical address:








assembly





    

  1. 

    1234:5
    

    2. 

  2. 

    1230:45
    

    3. 

  3. 

    Both (a) and (b) are wrong
    

    4. 

  4. 

    Both (a) and (b) are correct
    

    5. 










 Show answer












Correct Option: D
















You want to initialize the IP register with the value 2000:









assembly





    

  1. 

    Mov IP,2000
    

    2. 

  2. 

    Jmp 2000
    

    3. 

  3. 

    Mov 2000,IP
    

    4. 

  4. 

    You can not change IP register
    

    5. 










 Show answer












Correct Option: B
















The maximum memory space addressable by 8086 processor was:









assembly





    

  1. 

    64 KB
    

    2. 

  2. 

    640KB
    

    3. 

  3. 

    1MB
    

    4. 

  4. 

    2MB
    

    5. 










 Show answer












Correct Option: C
















What is the value of AX register after executing, MOV AX,456h, CMP AX,456h









assembly





    

  1. 

    456h
    

    2. 

  2. 

    Zero
    

    3. 

  3. 

    1
    

    4. 

  4. 

    Unknown
    

    5. 










 Show answer












Correct Option: A













To increment both AL, AH registers:



 




assembly





    

  1. 

    INC AX
    

    2. 

  2. 

    INC AL INC AH
    

    3. 

  3. 

    both (a) and (b) are correct
    

    4. 

  4. 

    both (a) and (b) are wrong
    

    5. 










 Show answer












Correct Option: B








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