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Which one of the following LC-3 instruction sequences will be generated when converting statement "*e b" to LC-3 assembly language instructions? ADD RO, rL, #B LDR R1, RO, rL, #E STR R1, #0 O LDR RO, rL, #B LDR R1, RO, # 0 STR R1, rL, #E LDR RO, rL, #B LDR R1, rL, #E STR RO, R1, # 0

Which one of the following LC-3 instruction sequences will be generated when converting statement "*e b" to LC-3 assembly language instructions? ADD RO, rL, #B LDR R1, RO, rL, #E STR R1, #0 O LDR RO, rL, #B LDR R1, RO, # 0 STR R1, rL, #E LDR RO, rL, #B LDR R1, rL, #E STR RO, R1, # 0

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Which one of the following LC-3 instruction sequences will be generated when converting statement "*e = b" to LC-3 assembly language instructions? ADD RO, rL, #B LDR R1, rL. #E STR RO, R1, #0 LDR RO, rL, #B LDR R1, RO, # 0 STR R1, rL, #E O LDR RO, rL, #B LDR R1, rL, #E STR RO, R1. # 0 LDR RO, rL, #B STR RO, rL, #E O LDR RO, rL, #B LDR R1, RO, # 0 LDR R2, rL, #E STR R1, R2, # 0 Which one of the following LC-3 instruction sequences will be generated when converting condition " (a < c)" of the "while" statement to LC-3 assembly language instructions? Label "PRINT" should be regarded as the label of the printf statement. Oa. LDR RO, rL, #C NOT RO, RO ADD RO, RO, # 1 LDR R1, rL, #A ADD RO, RO, R1 BRnz PRINT O b. LDR RO, rG, #A NOT RO. RO LDR R1, rG, #C ADD RO, RO, R1 BRnz PRINT O c. LDR R1, rL, #A NOT R1. R1 ADD R1, R1, # 1 LDR R2, rL, #C ADD R1, R1, R2 BRzp PRINT o d. LDR RO, rL, #A NOT RO, RO ADD RO, RO, #1 LDR R1, rL, #C ADD RO, RO, R1 BRnz PRINT Oe. LDR R1, rL, #A NOT R1. R1 LDR R2, rL, R1, #C ADD R1, R2 BRnz PRINT
Transcribed Image Text:Which one of the following LC-3 instruction sequences will be generated when converting statement "*e = b" to LC-3 assembly language instructions? ADD RO, rL, #B LDR R1, rL. #E STR RO, R1, #0 LDR RO, rL, #B LDR R1, RO, # 0 STR R1, rL, #E O LDR RO, rL, #B LDR R1, rL, #E STR RO, R1. # 0 LDR RO, rL, #B STR RO, rL, #E O LDR RO, rL, #B LDR R1, RO, # 0 LDR R2, rL, #E STR R1, R2, # 0 Which one of the following LC-3 instruction sequences will be generated when converting condition " (a < c)" of the "while" statement to LC-3 assembly language instructions? Label "PRINT" should be regarded as the label of the printf statement. Oa. LDR RO, rL, #C NOT RO, RO ADD RO, RO, # 1 LDR R1, rL, #A ADD RO, RO, R1 BRnz PRINT O b. LDR RO, rG, #A NOT RO. RO LDR R1, rG, #C ADD RO, RO, R1 BRnz PRINT O c. LDR R1, rL, #A NOT R1. R1 ADD R1, R1, # 1 LDR R2, rL, #C ADD R1, R1, R2 BRzp PRINT o d. LDR RO, rL, #A NOT RO, RO ADD RO, RO, #1 LDR R1, rL, #C ADD RO, RO, R1 BRnz PRINT Oe. LDR R1, rL, #A NOT R1. R1 LDR R2, rL, R1, #C ADD R1, R2 BRnz PRINT
Read the program and the descriptions below before answering the next SEVEN questions. #include <stdio.h> int w = 1, x = 1; int main() { int a = 0, b = 0, c = 5; int* d = &W; int* e = &X; while (a < c) { b = *d + *e; *d = *e; *e = b; a++; } printf("w = %d, x = %d\n", w, x); Assume that (i) rG represents the register pointing to the beginning of the locations where the global variables are stored, (ii) rL denotes the register that records the start of the locations where the local variables are stored, and (iii) the offsets of the variables in the program above are given in the table below. In the table, each capital letter represents an integer. Variable Offset A b B d. e E W X
Transcribed Image Text:Read the program and the descriptions below before answering the next SEVEN questions. #include <stdio.h> int w = 1, x = 1; int main() { int a = 0, b = 0, c = 5; int* d = &W; int* e = &X; while (a < c) { b = *d + *e; *d = *e; *e = b; a++; } printf("w = %d, x = %d\n", w, x); Assume that (i) rG represents the register pointing to the beginning of the locations where the global variables are stored, (ii) rL denotes the register that records the start of the locations where the local variables are stored, and (iii) the offsets of the variables in the program above are given in the table below. In the table, each capital letter represents an integer. Variable Offset A b B d. e E W X
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