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Aleks [24]
3 years ago
6

While writing a program to regulate the speed of a self-driving car, you find that your software sometimes miscalculates the ide

al car speed for city streets to be over 1500 MPH (nearly twice the speed of sound), when it should be approximately 30 MPH. Which of the following strategies would be most efficient to employ in debugging your program?
a. At the very end of the speed calculations, add an additional line of code that divides the calculated speed by 50 so that the program never produces such high speeds
b. After each calculation within your program, insert a temporary statement that displays the most recently calculated value. When running your program, compare the displayed values with the expected values to identify where in the program the error is being introduced.
c. Starting at the end of your program and working backwards, systematically delete each line of code that relates to calculating and re-run the program after each deletion to identify where in the program the error is being introduced
d. Delete all of the code relating to speed calculations and rewrite it again
Computers and Technology
1 answer:
Likurg_2 [28]3 years ago
3 0

Answer:

b. <em>After each calculation within your program, insert a temporary statement that displays the most recently calculated value. When running your program, compare the displayed values with the expected values to identify where in the program the error is being introduced.</em>

Explanation:

Logging statements are an effective debugging technique. It is a good way of finding the location of faulty logic in a program.

One can trace the root problem through logging intermediary outputs.

We can find out from where the program is producing unexpected or unintended calculations, when their's a weird output logged.

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Answer:

Table for Area codes are not missing;

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This program will be implemented using c++ programming language.

// Comments are used for explanatory purposes

// Program starts here

#include <iostream>

using namespace std;

int main( )

{

// Declare Variable area_code

int area_code;

// Prompt response from user

cout<<Enter your area code: ";

cin<<"area_code;

// Start switch statement

switch (area_code) {

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case 229:

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break;

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case 404:

case 470:

case 678:

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case 762:

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