SophiaPretty

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About SophiaPretty

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Teaching Since: Jul 2017
Last Sign in: 305 Weeks Ago, 1 Day Ago
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  • MBA,PHD, Juris Doctor
    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

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  • Manager Planning
    WalMart
    Mar-2001 - Feb-2009

Category > Computer Science Posted 18 Nov 2017 My Price 10.00

What are the opcode, data type, and operand(s)

Are you available to help out with these labs and assignments? I attached the format as well. Thanks!

  • Chapter 3

    4. What are the opcode, data type, and operand(s) in this instruction:

    MOV AH, 7

     

    12.What does this instruction accomplish?

    BSWAP EBX

     

    14.Registers AX, BX, CX, and DX contain, respectively, 1111H, 2222H, 3333H, and 4444H. What are the contents of each register after this sequence of instructions?

    PUSH AX

    PUSH CX

    PUSH BX

    POP DX

    POP AX

    POP BX

     

    22. If EAX contains 00000200H, EBX contains 00000003H, and the data segment contains 1000H, what is the effective address generated by these instructions?

    (a) MOV ECX,[EAX]

    (b) MOV ECX,[EBX][EAX]

    (c) MOV ECX,[EAX][EBX*8]

    (d) MOV ECX,[ESI][EDI]

     

    30. IF BX contains 9A00H, what are the results of these two instructions?

    (a) MOVSX EBX, BX

    (b) MOVZX EBX, BX

     

    Chapter 4

    8. If DX contains 00EEH and AX contains 0980, what is the result of:

    MOV BX, 0F0H

    DIV BX

     

    12. What is the final value of AL in this series of instructions?

    MOV AL, 27H

    MOV BL, 37H

    ADD AL, BL

    DAA

     

    14. If AL contains 55H and BL contains AAH, what is the result of :

    (a) AND AL, BL

    (b) OR AL, BL

    (c) XOR, BL, AL

     

     

     

     

    22. How many times does the NOP instruction execute in the following sequence?

                MOV   CX,20H

    XYZ:   PUSH CX

                MOV   CX, 9

    ABC:   NOP

                LOOP ABC

                POP   CX

                LOOP XYZ

     

    52. Registers AX, BX, and CX contain the respective values 2000H, 1000H, and 3000H. What is the result of CMPXCHG BX, CX?

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SophiaPretty
(5)
Status NEW Posted 18 Nov 2017 09:11 AM My Price 10.00

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