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CS241 Study Guide - Standard Streams, Operand, Symbol Table

38 views6 pages
8 Oct 2014
School
University of Waterloo
Department
Computer Science
Course
CS241
Professor
Richard Ennis

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Document Summary

. word -1 sw , -4() sub , , add , sh, sh lis . word getlastelement jalr add , , lw , -4() jr getlastelement: sw , -4() sw , -8() sw , -12() sw , -16() lis . word 16 sub , , mult , mflo add , , add , , lw , 0() bne , , notnull lw , 0() beq sh, sh, restoreandreturn notnull: lis . word 16 add , , lw , -4() lw , -8() lw , -12() lw , -16() jr https://www. student. cs. uwaterloo. ca/~cs241/tutorial_w14/linked-list-noc. asm. The value of a label is defined to be the number of non-null lines (lines containing an instruction) that precede the label multiplied by 4. To begin, we mark all the non-null lines in the program. begin: Now we make a list of labels in the program. begin label after abc0 abc1 loadstore end.

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Related Questions

30. What is the following base 10 number, 31, in base 2?

35. What does the following program print? int( data = {10,20,30,40,50); for (int i = data.length-2; i >= 0; i--) { data[i+1] = data[i]; for (int i = 0; i < data.length; i++) { print (data[i] + " "); A. 10 20 30 40 50 B. 50 40 30 20 10 C. 10 10 20 30 40 D. 20 30 40 50 50 E 10 20 20 30 40

3. What is printed to the screen when the following program is run? (6 points) public class Alias Test { public static void main(String[] args) { int) foo = {1,2,3,4,5}; int[] bar = {20, 21, 22, 23); int) chocolate = bar; bar[0] = 30; chocolate [1] = chocolate [0] + foo(0); System.out.println("Phase 1"); System.out.println (bar[0]); System.out.println (chocolate[0]); System.out.println (foo [0]); System.out.println (bar[1]); bar - foo; foo - chocolate; foo [31 - foo [2] + foo[1]; System.out.println("Phase 2"); System.out.println (foo [1]); System.out.println (foo [2]); System.out.println (foo [3]); foo = new int [10); foo [0] = 3; System.out.println("Phase 3"); System.out.println(chocolate[0]); System.out.println (chocolate[1]); System.out.println(chocolate[21); System.out.println(chocolate[3]); //WHAT IS PRINTED TO THE SCREEN IN THIS RUN? What is printed to the screen when the above program is run?