Free Practice Quiz Question List

1 C++ Foundations and Syntax Online Quiz Questions

Use this free practice quiz with 20 questions to review 1 C++ Foundations and Syntax, test your knowledge, and prepare for your next test or exam.

20 questions

Choose one

1 point

In a hosted C++ program, which function does the operating system call to begin execution?

A
The global function named start
B
The global function named main
C
The first function listed in the source file
D
The first statement after #include

Choose one

1 point

Which name is a valid C++ identifier?

A
2students
B
total-cost
C
student_name
D
return

Choose one

1 point

A C++ source file passes compilation, but the build cannot construct the final executable because a required function definition is missing. What kind of error is this?

A
A syntax error caused by a missing semicolon
B
A run-time error caused by invalid input
C
A preprocessing error caused by an include directive
D
A linker error caused by a missing definition

Choose all

1 point

Select all statements that correctly describe C++ comments.

A
Comments are ignored when the program is translated.
B
A // comment continues through the entire source file.
C
A block comment can span multiple lines.
D
Comments can document intent or assumptions.

Choose all

1 point

Select all statements that correctly describe the basic C++ console stream objects and operators.

A
std::cout normally writes to standard output.
B
std::cin normally reads formatted input from standard input.
C
std::cin << value is the usual way to read a value.
D
The std:: prefix identifies a name from the standard library namespace.

True or false

1 point

True or false: A C++ comment is compiled into an instruction that the processor executes.

A
True
B
False

True or false

1 point

True or false: A function definition normally requires a semicolon immediately after its closing brace.

A
True
B
False

Written response

1 point

What is the name of the standard output stream object normally used to write to the console?

Written response

1 point

What integer value does the C++ expression 2 + 3 * 4 produce?

Fill in the blank

1 point

In C++, the operator sends values to an output stream, while the operator reads formatted values from an input stream.

Fill in the blank

1 point

After source files have been compiled into object files, combines those files and resolves references. The operating system then loads the executable during .

Open ended

1 point

Explain the difference between compilation, linking, and run time in the C++ translation process. Include what happens at each stage and when a missing function definition would typically be detected.

Choose one

1 point

Which declaration follows the material's recommended modern convention of initializing an object with braces when it is created?

A
double temperature = 21.5;
B
double temperature{21.5};
C
temperature double{21.5};
D
double{temperature} = 21.5;

Choose one

1 point

A hosted C++ program contains several functions, but none of them is necessarily written first in the source file. Which function does the operating system use as the program's starting point?

A
The first function defined in the source file
B
The global main function
C
The first statement after #include
D
The function with the most parameters

True or false

1 point

In C++, comments are ignored during translation and do not produce executable behavior.

A
True
B
False

Choose one

1 point

Which proposed variable name is invalid in C++ under the identifier rules described in the material?

A
student_name
B
item2
C
total-cost
D
numberOfStudents

Written response

1 point

Which C++ operator sends a value to an output stream such as std::cout?

Choose one

1 point

A project has two source files, and each source file compiles successfully, but the final executable cannot be constructed because a required function definition is missing. Which statement best distinguishes the relevant stages?

A
Compilation translates a source file into an object file; linking combines object files and libraries.
B
Compilation runs the executable; linking formats the source code.
C
Compilation resolves all library references; linking checks only indentation.
D
Compilation and linking are two names for preprocessing.

Written response

1 point

What namespace prefix appears before standard-library objects such as cout and cin?

Choose one

1 point

What value is assigned to result by this statement?

int result = 2 + 3 * 4;

A
20
B
24
C
14
D
10