C++ quiz (finals)

It is a basic data type that stores a single character/letter/number, or ASCII values.

• string

• char

• int

• Boolean

Answer explanation

The correct choice is 'char' because it is a basic data type that stores a single character/letter/number, or ASCII values.

C++ was developed by _________ and ____________.

• Bjarne Stroustrup and Bell Laboratories

• Bjarne Stroustrups and Albert Einstein

• Bjarne Strostrup and Bel LaboratorieS

• Bjarne Laboratories and Bell Stroustrup

Answer explanation

C++ was developed by Bjarne Stroustrup and Bell Laboratories, making the correct answer choice A.

These data types are built-in or predefined data types and can be used directly by the user to declare variables. example: int, char, float, bool, etc.

• Primitive Data Types

• Abstract or User-Defined Data Types

• Derived Data Types

• User-Defined Data Types

Answer explanation

Primitive Data Types are built-in or predefined data types that can be directly used by the user to declare variables like int, char, float, bool, etc.

It is a basic data type that stores true or false values.

• char

• int

• boolean

• string

Answer explanation

The correct choice is boolean because it is a basic data type that stores true or false values.

C++ was made available outside Bell Laboratories in 1985. The first commercial C++ compiler, Cfront, was released in _________.

• 1985

• 1995

• 1989

• 1975

Answer explanation

The first commercial C++ compiler, Cfront, was released in 1985, the same year C++ was made available outside Bell Laboratories.

The data types that are derived from the primitive or built-in datatypes are referred to as ________________.

• Abstract or User-Defined Data Types

• Derived Data Types

• User-Defined Data Types

• Primitive Data Types

Answer explanation

Derived Data Types and User-Defined Data Types are the data types derived from primitive or built-in data types.

After the return statement, execution control returns to the operating system component that launched this program. Execution of the code terminates here.

• Main Function Section

• Function Body Section

• Main Function Body Section

• Standard Libraries Section

Answer explanation

After the return statement, execution control returns to the Main Function Section where the program was launched from, terminating the code execution.

1.    These data types are built-in or predefined data types and can be used directly by the user to declare variables. example: int, char, float, bool, etc.

• Primitive Data Types

• Derived Data Types

• Abstract or User-Defined Data Types     

• User-Defined Data Types

Answer explanation

Primitive Data Types are built-in or predefined data types that can be directly used by the user to declare variables, such as int, char, float, bool, etc. This matches the description provided in the question.

1.    These data types are defined by the user itself. Like, as defining a class in C++ or a structure.

• User-Defined Data Types

• Derived Data Types

• Abstract or User-Defined Data Types

• Primitive Data Types

Answer explanation

The correct choice is Primitive Data Types as they are predefined by the user, like defining a class in C++ or a structure.

7.    It is a basic data type that stores fractional numbers, containing one or more decimals. Sufficient for storing 7 decimal digits.

• string

• int       

•   double

• float

Answer explanation

The correct choice is double because it is a basic data type that stores fractional numbers with decimals, sufficient for storing 7 decimal digits.