6- Assume BH= 55h, AH= 7Eh, and DX= 35D8H. Select the XOR instruction that will: (a) XOR BH with AH and save the result in CL (b) XOR 56A3H with CX and save the result in DI (c) XOR DX with DI and save the result in BP (d) XOR IA23H with SI (e) XOR the word stored at the memory location addressed by [BP+ SI+23h] = 7799h and save the result in DI. 7- Clear the contents of AX=03ABH using XOR. Show the status of the flags.

Q: Select an XOR instruction that will: a) XOR BH with AH and save the result in AH. b) XOR 99H with…

A: a) XOR AH,BH b) XRI CL,99H c) XOR DX,DI

Q: The following instruction is executed. Assume that before execution, register R12 contains 0xA0, R15…

A: Given: We are given registers R12 and R15 with some initial values. The flags such as ZF,, SF, CF…

Q: The following instruction is executed. Assume that before execution, register R12 contains Ox90, and…

A: Registers are brief stockpiling areas inside the CPU that hold information and addresses. Its…

Q: After the SHR instruction is executed in the code sequence below, what is the final value for AL?…

A: The SHR command is an abbreviation for 'Right Shift'. This command simply moves the bits mentioned…

Q: The following instruction is executed. Assume that before execution, register R12 contains 0x05, and…

A: Instruction Pointer:- The program counter (PC), commonly called the instruction pointer (IP) in…

Q: After the SHR instruction is executed in the code sequence below, what is the final value for AL?…

A: Given: After the SHR instruction is executed in the code the final value for AL is:

Q: The following instruction is executed. Assume that before execution, register R15 contains 0x18, and…

A: answer    R15 contains =0x18 ZF=1 AF=0; CF=0;

Q: . Select an OR instruction that will : a) OR BL with AH and save the result in AH b) OR 88H with CX…

A: Here is the explanation of given OR instruction

Q: After the ROR instruction is executed in the code sequence below, what is the final value for AL?…

A:

Q: uestion// if AX=7272h and CX= 127Fh, what the value of both ag PF and AC after execute the following…

A: AC(Auxiliary Carry Flag) is set to 1 if there is carry from lower half to upper half ie from bit B7…

Q: Select an OR instruction that will: a) OR BL with AH and save the result in AH. b) OR 88H with CX.…

A: Here is the explanation

Q: H\W: Assuming the SP=1236, Ax=24B6, DI= 85c2 and Dx=5f93h show the content of the stack and the…

A: ADD AX SP comment add the value in register AX and SP and Stores The result In AX. so AX value will…

Q: H\W: Assuming the SP-1236, Ax=24B6, DI= 85c2 and Dx=5f93n show the content of the stack and the…

A: Actually register is used to store the data or information. In that AX,DX,PX,BX,CX  are the general…

Q: 1. Study this program, then answer the questions that follow : MOV AL, 64H ADD AL,27H DAA a) What…

A: The Flag register is a Special Purpose Register. Depending upon the value of result after any…

Q: estion// if AX=7272h and CX= 127Fh, what the value of both 3 PF and AC after execute the following…

A: PF(Parity Flag) is set to 1 if # of 1's in the result is even or else it is set to 0. AC(Auxiliary…

Q: Assume AL=35h; CL=05. Write the content of AL after RCR AL, CL - showing the calculation steps.…

A: Dear Student, RCR instruction in 8086 assembly language is used to perform rotations of all the bits…

Q: H.W 1) state the flags of the flag register for the following instruction 1- ADD AL, BL where the…

A: Explanation:

Q: ution, register R12 contains ________(in Hex) and the flags will be ZF=_____, SF=_____ and…

A: Solution 1: After execution, register R12 contains A0 (in Hex) and the flags will be ZF=0, SF= 0 and…

Q: State whether the following instructions are valid or invalid? Define the valid instructions. In…

A: 1. ADD BX, [1234H] Ans: invalid Why? :  BX stands for branch and exchange instruction set Which…

Q: In the following code sequence, show the value of AL after each shift or rotate instructionhas…

A: Given: Code sequence mov al,0D4hshr al,1 ; a.mov al,0D4hsar al,1 ; b.mov al,0D4hsar al,4 ; c.mov…

Q: If AL = 11111111 and BL = 0 10 10 10 1, then what will be the value of CF and ZF flags after…

A: Answer is CF=1 ZF=0   because CF means carry flag  carry flag is to indicate is there to indicate…

Q: For each LEGv8 instruction in Exercise 2.9, show the value of the opcode (Op), source register…

A: Answer :

Q: 3. Knowing that CL register has data 'F', what will the following instruction exactly do? OR CL,…

A: Logical instructions are basically based on binary operations like AND, OR, XOR, etc. Only the NOT…

Q: H\W: Assuming the SP-1236. Ax-2486. DI= 85c2 and Dx-5f93, show the content of the stack and the…

A: Given Data: SP = 1236H AX = 2486H DI = 85C2H DX = 5F93H   ADD AX,SP: Add values of AX and SP and…

Q: What is the final result for AL and BL after executing the sequential mnemonic opcode/operand…

A: Solution ::  Let's see first what is sequential mnemonic opcode/operand ? Answer ::  An opcode is a…

Q: Q1: If DX contains 81FEH and CX contains 1986H, explain the effect of the following instructions on…

A: i)  SUB DX, CX

Q: 1. Given R= 20, PC = 12 and index register X = 15, show the value of the accumulator for the…

A:

Q: What is the final result for AL and BL after executing the sequential mnemonic opcode/operand…

A: What is the final result for AL and BL after executing the sequential mnemonic opcode/operand…

Q: Q6) Choose the correct answer: 1- LEA DI, [BX+50H] Suppose BX-1E3H, DI-3034H and [BX+50)-58H. The DI…

A: Note : As per guidelines we are authorized to answer 3 sub-parts of a question when multiple sub…

Q: Home Work: Execute the following instruction using all previous instruction format types: 1- X= (A +…

A: 1.Expression: X = (A+B)*(C+D)Postfixed : X = AB+CD+*TOP below means top of stackM[X] is our any…

Q: Based on the diagram below, what is the result for register DX after executing the mnemonic…

A: MOV AX,200h MOV BX,100h In multiplication instruction, the result is doubleword. So, Higher order…

Q: When an instruction depends on the results of the previous instructions then a) error occurs b)…

A: Question. When an instruction depends on the results of the previous instructions then a) error…

Q: The content of AC in the basic computer is hexadecimal 85B2 and the initial value of E is 0.…

A: Given that, The content of AC in the basic computer is 85B2H  The initial value of E is 0 The…

Q: 9- Choose an instruction that subtracts 1 from register BX= 33BAH 10- Write a code to execute SBB…

A: Note: As per our guidelines, we are supposed to answer only one question. Kindly repost other…

Q: q) State whether the following instructions are valid or invalid? Define the valid instructions. In…

A: The question is on stating whether the given instructions are valid or invalid and state the…

Q: After executing the SUBLW instruction, if C = 1 then the result is positive. Select one: O True O…

A: Programs are the set of lines of code that is used to provide instructions to the computer. The…

Q: If AX=(BA78). Write a program that finds the value of AX after executing each instruction in figure…

A:

Q: The effective address of the following instruction is MUL 5(R1,R2). А. 5*([R1]+[R2]) 5+R1+R2 C.…

A: Effective address for the following instruction MUL 5(R1,R2)

Q: 5) Rebuild the instructions a- INC CX b- SUB Al,02H c- SUB AX,DX

A: Please give positive ratings for my efforts. Thanks.   ANSWER     a )  INC CX   It increments the…

Q: 5) Rebuild the instructions a- INC CX b- SUB Al,02H c- SUB AX,DX

A: a) INC CX      INC − Used to increment the provided                     byte/word by 1.    CX=CX+1…

Q: 5) Rebuild the instructions a- INC CX b- SUB Al,02H c- SUB AX,DX

A: a)INC CX is mainly used as increment counter in loops INC: Increment: This instruction increments…

Q: Write the logical expression for the control signal RF_Write assuming the instruction set consists…

A: Logical expressions are expressions allowing the Boolean values True, False, or Unknown (for NULL…

Q: QUESTION 3 Register Content Data Memory Content wo Ox1006 Ox1000 OXFEB1 W1 OXAB9A Ox1002 Ox0193 W2…

A: The question is to select the instruction which sets the status register Z=1, C=0.

Q: When the CMP instruction sequence executes, the final value for AL sets or resets the Carry flag,…

A: In this question, we have to Compare given 2 values and tells the values of carry flag, Zero flag…

Q: If DS=7F0OH, BX=37EH and AX=1F05H, find the value of (AL) after executing *:(XLAT) instruction, if…

A: DS - Data segment register store the upper 16-bits of the address of two segments registers. BX-…

Q: The instruction that is not possible among the following is a) MOV AX, [BX]. b) MOV AX, 5555H c)…

A: Answer: (d) MOV [SI], [DI].

Q: When the CMP instruction sequence executes, the final value for AL sets or resets the Carry flag,…

A: Here is the answer with an explanation:-

Q: A. Explain what operation is performed by each of the instruction that follow 1. MOV AX, 0110H 2.…

A: Note- Hello. Since you have posted multiple questions and not specified which question needs to be…

Q: Execute the following instruction using zero address instruction. X=X*Y+Z/A-B*C+E*F *

A: The execution of the following Instruction using zero address instruction X=X*Y+Z/A-B*C+E*F  is…

Q: Initially Accumator has value 5 stored in it and if the instruction given is executed then find the…

A: MOV should have 2 operands. In the given instruction, MOV has only one. So I am assuming it to be…