Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Textbook Question
Chapter 8.4, Problem 8.6PP
Practice Problem 8.6 (solution page 797)
Write a
linux>./myecho arg1 arg2
Command-ine argument :
argv [0]: myecho
argv [1]: arg1
argv [2]: arg2
Environment variables
envp [0] : PWD = /usro/droh/1GB/code/ec1
envp [1] : TERM= emacs
.
.
.
envp [25] : USER = droh
envp [26] : SHELL = /usr/local/bin/tech
envp [27] : HOME -= usr0/droh
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C++ 13.9.2 Pass by reference
Define a function ScaleGrade() that takes two parameters:
points: an integer, passed by value, for the student's score.
grade: a char, passed by reference, for the student's letter grade.
ScaleGrade() changes grade to A if the points are greater than or equal to 88 and less than or equal to 100, and grade is not A. Otherwise, grade is not changed. The function returns true if grade has changed, and returns false otherwise.
Ex: If the input is 88 B, then the output is:
Grade is A after curving.
Using the following code
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// insert code here
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Write a code in sim8085 for the following problem:
The pressure of two boilers is monitored and controlled by a microcomputer works based on microprocessor programming. A set of 6 readings of first boiler, recorded by six pressure sensors, which are stored in the memory location starting from 2050H. A corresponding set of 6 reading from the second boiler is stored at the memory location starting from 2060H. Each reading from the first set is expected to be higher than the corresponding position in the second set of readings. Write an 8085 sequence to check whether the first set of reading is higher than the second one or not. If all the readings of first set is higher than the second set, store 00 in the ‘D’ register. If any one of the readings is lower than the corresponding reading of second set, stop the process and store FF in
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Second Set:71, 78, 65, 89, 56, 75
1.BL=00, after instruction DEC BL is executed, CF =?
2.CH=80H; after ROL CH, 1; CH=?
Chapter 8 Solutions
Computer Systems: A Programmer's Perspective (3rd Edition)
Ch. 8.2 - Prob. 8.1PPCh. 8.4 - Prob. 8.2PPCh. 8.4 - Prob. 8.3PPCh. 8.4 - Prob. 8.4PPCh. 8.4 - Practice Problem 8.5 (solution page 797) Write a...Ch. 8.4 - Practice Problem 8.6 (solution page 797) Write a...Ch. 8.5 - Practice Problem 8.7 (solution page 798) Write a...Ch. 8.5 - Prob. 8.8PPCh. 8 - Prob. 8.9HWCh. 8 - In this chapter, we have introduced some functions...
Ch. 8 - How many hello output lines does this program...Ch. 8 - How many "hello' output lines does this program...Ch. 8 - Prob. 8.13HWCh. 8 - How many hello output lines does this program...Ch. 8 - How many "hello lines does this program print?Ch. 8 - Prob. 8.16HWCh. 8 - Prob. 8.17HWCh. 8 - Consider the following program: Determine which of...Ch. 8 - How many lines of output does the following...Ch. 8 - Use execve to write a program called my1s whose...Ch. 8 - What are the possible output sequences from the...Ch. 8 - Write your own version of the Unix system function...Ch. 8 - One of your colleagues is thinking of using...Ch. 8 - Modify the program in Figure 8.18 so that the...Ch. 8 - Write a version of the fgets function, called...
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