Data Types in C++

Arthur, Sophie, and Freya are having a debate about primitive data types in C++. Which of the following is a primitive data type in C++ that they should consider?

• boolean

• int

• string

• float

Answer explanation

The correct answer is 'int'. In C++, 'int' is a primitive data type used to store integer values. The other options, 'boolean' and 'float', are also primitive data types in C++, but 'string' is not. It is a derived data type in C++.

Lily, Elsie, and Noah are having a debate about which data type is used to store whole numbers in C++. Can you help them settle the debate?

• float

• boolean

• int

• string

Answer explanation

In C++, the 'int' data type is used to store whole numbers. The other options, 'float', 'boolean', and 'string', are used for different purposes. 'Float' is for decimal numbers, 'boolean' for true/false values, and 'string' for text.

Harry, Anaya, and Chloe are having a debate about which data type is used to store decimal numbers in C++. Can you help them settle the debate?

• int

• char

• bool

• float or double

Answer explanation

In C++, decimal numbers are stored using the 'float' or 'double' data types. The 'int' data type is used for integers, 'char' for characters, and 'bool' for boolean values. Therefore, the correct answer to the question is 'float or double'.

Ishaan, William, and Emily are playing a game where they need to guess the data type used to store single characters in C++. Can you help them?

• char

• string

• float

• int

Answer explanation

In the question, Ishaan, William, and Emily are trying to guess the data type used to store single characters in C++. The correct answer is 'char'. This is because 'char' is specifically designed to hold single characters in C++, unlike 'string', 'float', or 'int'.

Scarlett, Evie, and Anaya are playing a game of C++ trivia. They come across a question: Which data type is used to store true or false values in C++?

• int

• float

• bool

• char

Answer explanation

In C++ trivia, the question asks about the data type used to store true or false values. The correct choice is 'bool', as it is specifically designed to hold boolean values, i.e., true or false. Other options like 'int', 'float', and 'char' are used for different purposes and not suitable for storing boolean values.

Aarav, Anaya, and Rohan are having a debate about the size of the 'int' data type in C++. Can you help them settle the argument?

• 4 bytes

• 8 bytes

• 16 bytes

• 2 bytes

Answer explanation

In C++, the 'int' data type typically has a size of 4 bytes. This is the standard size for most implementations, although it can vary depending on the system and compiler. However, 4 bytes is the most common size, making it the correct choice in this debate.

Rosie, Rohan, and Matilda are having a debate about the size of the 'float' data type in C++. Can you help them settle the argument?

• 1

• 2

• 8

• 4

Answer explanation

In C++, the 'float' data type has a size of 4 bytes. Rosie, Rohan, and Matilda were debating the size, and the correct answer is 4. The other options, 1, 2, and 8, are incorrect as they do not represent the size of the 'float' data type in C++.

Eesha, Priya, and Aarav are having a debate about the size of the 'char' data type in C++. Can you help them settle the argument?

• 1 byte

• 8 bytes

• 4 bytes

• 2 bytes

Answer explanation

In C++, the 'char' data type is used to store a single character and has a size of 1 byte. This allows it to represent 256 different values, which is enough to cover all the ASCII characters. Therefore, the correct choice is 1 byte.

Aarav, Max, and Neha are having a friendly debate about C++. Aarav says that the 'bool' data type in C++ is 1 byte in size. Max thinks it's 2 bytes, while Neha believes it's 4 bytes. And there's a rumor going around that it's actually 8 bytes! Who do you think is correct?

• Aarav (1 byte)

• Max (2 bytes)

• Neha (4 bytes)

• Rumor (8 bytes)

Answer explanation

Aarav is correct. In C++, the 'bool' data type is 1 byte in size. The other options, 2 bytes, 4 bytes, and 8 bytes, are incorrect. The size of a 'bool' data type is determined by the compiler and is typically 1 byte, which is enough to represent true or false values.

Leo, Benjamin, and Grace are having a friendly debate about C++. They can't agree on which data type is used to store a sequence of characters. Can you help them settle this?

• char

• int

• float

• string

Answer explanation

In C++, the 'string' data type is used to store a sequence of characters. While 'char' can store a single character, 'int' and 'float' are used for storing integer and floating-point numbers, respectively. Therefore, the correct choice is 'string'.