C++ Programming Quiz 2

What is a function in C++?

• A set of rules that specify which statements are legal.

• A collection of statements that accomplish something when executed.

• A set of rules, symbols, and special words.

• The meaning of an instruction in a programming language.

What does syntax refer to in a programming language?

• The meaning of the instructions.

• The collection of predefined or standard functions.

• The rules that specify which statements are legal.

• The special symbols used in programming.

Which of the following best defines a programming language?

• A set of rules, symbols, and special words.

• A predefined function in C++.

• The collection of executable statements.

• A part of the operating system.

What do semantic rules define in C++?

• The meaning of an instruction.

• The rules that specify which statements are legal.

• The collection of functions in a program.

• The set of special symbols used in coding.

What is the purpose of comments in a C++ program?

• To provide instructions to the compiler

• To explain the code for the reader

• To speed up program execution

• To store program variables

Which of the following is a correct way to write a multi-line comment in C++?

• // This is a multi-line comment

• /* This is a multi-line comment */

• # This is a multi-line comment #

• -- This is a multi-line comment --

Which of the following best describes reserved words (keywords) in C++?

• User-defined variable names used in a program.

• Special symbols used for arithmetic operations.

• Predefined words with specific meanings in the language.

• Functions that return values in a program.

Which of the following is true about identifiers in C++?

• Identifiers can start with a digit.

• C++ is not case-sensitive, so NUMBER and number are the same.

• Reserved words can be used as identifiers.

• Identifiers can include letters, digits, and underscores but must start with a letter or an underscore.

What is the primary purpose of whitespaces in a C++ program?

• To increase the execution speed of the program.

• To separate special symbols, reserved words, and identifiers for better readability.

• To define the scope of functions and variables.

• To store special characters in a program.

Which of the following is not a category of simple data types in C++?

• Integral

• Floating-point

• Enumeration

• Pointer