Homework Answers
Please do understand my concern, as per HOMEWORKLIB RULES we are supposed to answer the one question if there is more than one question in a post(but I have answered 2), your downvote effects my career a lot, if I get a downvote for a wrong answer or incomplete answer I will accept it. Please give a positive rating
16)
mov eax, nr will make eax= 0x1A2B
inc eax // eax= eax+1 = 0x1A2C
mov ebx, [eax] // ebx= value at the address of eax= A
so ebx will have a value of A
17)
mov eax, [nr] // eax= value at the address of nr = 8 = 1000 in binary
shr eax,1 // shift right 1 bit in eax = 1000 shifted to 1 bit to right gives 100 in binary = 4 in decimal
Add Answer to:
14. In the code from Question 12 true is: A. a constant B. a variable C....
1) Assume the registers are initialized to the indicated values: Se al A c and code...
1) Assume the registers are initialized to the indicated
values:
Se al A c and code frogments MUST use 32 ぁ ar movennes (anor be "nedfra-ne ibrary function or procedural calls ino- Pe Peue c for ll codr ond code frogments only othu ey document your code with Comments unless the code size is Drow Fow Chort for any flow of control involving branches and loops Use PoCedures as modules to organize most of the code and code fragments. In...
Question#1 Write a short program demonstrating that the INC and DEC instructions do not affect the...
Question#1 Write a short program demonstrating that the INC and DEC instructions do not affect the Carry flag. Question#2 Write a program that uses addition and subtraction to set and clear the Overflow flag. After each addition or subtraction, insert the call DumpRegs statement to display the registers and flags. Make sure to include an ADD instruction that sets both the Carry and Overflow flags. Using comments, explain how and why the Overflow flag was affected by each instruction. Question#3...
Using the AddTwo program from Section 3.2 as a reference, write a program that calculates the...
Using the AddTwo program from Section 3.2 as a reference, write a program that calculates the following expression, using registers: A = (A + B) + (C + D). Assign integer values to the EAX, EBX, ECX, and EDX registers. AddTwo program: ; AddTwo.asm - adds two 32-bit integers ; Chapter 3 example .386 .model flat,stdcall .stack 4096 ExitProcess PROTO, dwExitCode:DWORD .code main PROC mov eax,5 ; move 5 to the eax register add eax,6 ; add 6 to the...
For the C code 1 int loop while(int a, int b) int result 1; while (a < b) t result (atb); return ...
For the C code 1 int loop while(int a, int b) int result 1; while (a < b) t result (atb); return result; Gcc generates the following assembly code: %ebp+8, mov1 movl movl %ebp+12 at 8(%ebp) ,%ecx 12(%ebp) ,%ebx $1,%eax a at b 5 jge L11 leal (%ebx, %ecx), Xodx 8 L12: inull %eax , %eax addl $1,%ecx addl $1, edx cmp1 %ecx , %ebx 9 10 12 13 J8 14 ·L11: .L12 In generating this code, occ makes an...
1. Assume that you are given values in eax, ebx, ecx. Write an assembly code that...
1. Assume that you are given values in eax, ebx, ecx. Write an assembly code that does the following: eax = (ecx + edx ) - (eax + ebx) 2. Write a piece of code that copies the number inside al to ch. Example: Assume that Initially eax = 0x15DBCB19. At the end of your code ecx = 0x00001900. Your code must be as efficient as possible. 3. You are given eax = 0x5. Write one line of code in...
read carefully Which DOES NOT evaluate. Consider the following arithmetic operations in C: int X-20; int Y-20; int Z-2*(X+Y) which assembly code(0x86) does not evaluate value for Z correctly? mov...
read carefully Which DOES NOT evaluate.
Consider the following arithmetic operations in C: int X-20; int Y-20; int Z-2*(X+Y) which assembly code(0x86) does not evaluate value for Z correctly? mov eax.X b) mov ebx. Y add eax ebx mov el.4 mov ebx.Y a) add eax.ebx mov cl.2 imul cl mov Z eax imul cl shr eax. 1 mov Z.eax d) mov eax.X mov ebx.Y add eax.ebx shl eax, I mov Z,eax mov eax X c) mov ebx,Y shl eax.2 shl...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructio...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructions int j 0X20AB int *Ptr asmi MOV EAX, Ptr; MOV EBX, [EAX] ADD EBX, 1; Which of the following statements is true? (b) EBX hold 0x20AC in hexadecimal (d) EAX hold 0x20AC in hexadecimal (a) EBX hold 0x20AB in hexadecimal (c) EAX hold Ox20AB in hexadecimal 29....
EAX 1CB2 H, EBX = 952 D, ECX - 1275 D, EDX -300 D What will...
EAX 1CB2 H, EBX = 952 D, ECX - 1275 D, EDX -300 D What will be value stored in the four registers after executing the following instructions? Each group of instructions is executed independently from the initial values given above. Please also show which flag (zero, carry, sign) may be influenced. Hint you can test it in NSAM. a) and CL, AH b) shr CX, 3 c) or CL, 0D H not CL d) rol CX, 3 cmp DX,...
pls write correct answers asap.... Note- You are athempting question 9 out of 10 Match the following: 1) Quick Sort A)...
pls write correct answers asap....
Note- You are athempting question 9 out of 10 Match the following: 1) Quick Sort A) Divide and conquer programming 2) Task Scheduling B) Greedy programming 3) Merge Sort C) Dynamic programming 4) Prim's D) Not stable a) 1-B2-A 3-C4-D b) 1-D 2-C3-A 4-B c) 1-D 2-C 3-B 4-A d) 1-C 2-D 3-A 4-B Ansre Note - You are attermpring qpestion out of 10 Odd man out: e Topological sort Algorithm DFS Algorithm Binary search...
WHAT is the value of A,B, and C Consider the following code fragment where the right-hand...
WHAT is the value of A,B, and C
Consider the following code fragment where the right-hand side of the assignments in func are to be completed by answering this question: typedef struct point { float *p; struct { float x; float y; }s; struct point* next; } point; void func(point *sp1, point* sp2) { sp2->p = A; sp2->S.X = B; sp2->s.y = c; int maino { point *init, *final; // assume init has been initialized to some value; func(init, final);...
1) Assume the registers are initialized to the indicated
values:
Se al A c and code frogments MUST use 32 ぁ ar movennes (anor be "nedfra-ne ibrary function or procedural calls ino- Pe Peue c for ll codr ond code frogments only othu ey document your code with Comments unless the code size is Drow Fow Chort for any flow of control involving branches and loops Use PoCedures as modules to organize most of the code and code fragments. In...
For the C code 1 int loop while(int a, int b) int result 1; while (a < b) t result (atb); return result; Gcc generates the following assembly code: %ebp+8, mov1 movl movl %ebp+12 at 8(%ebp) ,%ecx 12(%ebp) ,%ebx $1,%eax a at b 5 jge L11 leal (%ebx, %ecx), Xodx 8 L12: inull %eax , %eax addl $1,%ecx addl $1, edx cmp1 %ecx , %ebx 9 10 12 13 J8 14 ·L11: .L12 In generating this code, occ makes an...
read carefully Which DOES NOT evaluate.
Consider the following arithmetic operations in C: int X-20; int Y-20; int Z-2*(X+Y) which assembly code(0x86) does not evaluate value for Z correctly? mov eax.X b) mov ebx. Y add eax ebx mov el.4 mov ebx.Y a) add eax.ebx mov cl.2 imul cl mov Z eax imul cl shr eax. 1 mov Z.eax d) mov eax.X mov ebx.Y add eax.ebx shl eax, I mov Z,eax mov eax X c) mov ebx,Y shl eax.2 shl...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructions int j 0X20AB int *Ptr asmi MOV EAX, Ptr; MOV EBX, [EAX] ADD EBX, 1; Which of the following statements is true? (b) EBX hold 0x20AC in hexadecimal (d) EAX hold 0x20AC in hexadecimal (a) EBX hold 0x20AB in hexadecimal (c) EAX hold Ox20AB in hexadecimal 29....
EAX 1CB2 H, EBX = 952 D, ECX - 1275 D, EDX -300 D What will be value stored in the four registers after executing the following instructions? Each group of instructions is executed independently from the initial values given above. Please also show which flag (zero, carry, sign) may be influenced. Hint you can test it in NSAM. a) and CL, AH b) shr CX, 3 c) or CL, 0D H not CL d) rol CX, 3 cmp DX,...
pls write correct answers asap....
Note- You are athempting question 9 out of 10 Match the following: 1) Quick Sort A) Divide and conquer programming 2) Task Scheduling B) Greedy programming 3) Merge Sort C) Dynamic programming 4) Prim's D) Not stable a) 1-B2-A 3-C4-D b) 1-D 2-C3-A 4-B c) 1-D 2-C 3-B 4-A d) 1-C 2-D 3-A 4-B Ansre Note - You are attermpring qpestion out of 10 Odd man out: e Topological sort Algorithm DFS Algorithm Binary search...
WHAT is the value of A,B, and C
Consider the following code fragment where the right-hand side of the assignments in func are to be completed by answering this question: typedef struct point { float *p; struct { float x; float y; }s; struct point* next; } point; void func(point *sp1, point* sp2) { sp2->p = A; sp2->S.X = B; sp2->s.y = c; int maino { point *init, *final; // assume init has been initialized to some value; func(init, final);...
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