C++ Developer - Comments

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using comments in programming?
To increase the execution speed of the program
To provide documentation and notes within the code
To make the code more complex
To reduce the file size of the program
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct syntax for starting a multiline comment in C?
#
/*
//
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In C programming, what happens if you remove a comment from the code?
The program will display a warning message
The program will automatically fix syntax errors
The program will not compile if the comment contained necessary code
The program will run faster
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about single line comments in C?
They are not supported in C
They can span multiple lines
They end at the end of the line
They require a closing delimiter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to declare a double variable with a value of 0.06 in C?
double salesTax = 0.06;
double salesTax = "0.06";
double salesTax = '0.06';
double salesTax = 0,06;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you include in a comment to indicate the purpose of a variable?
The variable's memory address
The variable's size in bytes
The variable's data type
A brief description of its use
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sales tax rate mentioned in the challenge exercise?
8%
7%
6%
5%
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