C++ Developer - Project - Reading Data from File and Printing Statistics

C++ Developer - Project - Reading Data from File and Printing Statistics

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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This video tutorial guides viewers through a project involving file input and output. The task is to read a file named 'scores.txt', process the data to calculate minimum, maximum, and average scores, and handle invalid data. The tutorial provides step-by-step instructions for setting up the project, coding the solution, and debugging. It emphasizes the importance of data validation and offers tips for handling invalid inputs. The video concludes with a preview of the next project, which involves dynamic object creation and file reading.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main task of the project involving the scores.txt file?

To sort the scores in ascending order

To count the number of scores

To calculate and display the minimum, maximum, and average scores

To find the median score

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should the program do with invalid input values?

Replace them with zero

Log them to a separate file

Ignore them and not consider them for statistics

Include them in the calculations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the project?

Test the program with sample data

Create a new project called file stats

Write the main function

Compile the code

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to check if the file exists before proceeding?

To verify the file format

To ensure the file is not empty

To avoid runtime errors when trying to open a non-existent file

To check the file size

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the while loop in the code?

To read and process each line of the file

To check for duplicate scores

To sort the scores

To write the results to a new file

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should the program handle a score of 105?

Ignore it as it is out of the valid range

Replace it with the maximum valid score

Include it in the average calculation

Subtract 5 to bring it within range

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done if the count of valid scores is zero?

Use a default average value

Skip the average calculation

Display an error message

Set the average to zero