C++ Variables and Data Types

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Question 1

Which is a valid C++ data type?

  • integer

  • float

  • number

  • real

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Question 2

What does the const keyword do?

  • Allocates dynamic memory

  • Makes a variable modifiable

  • Defines a function

  • Prevents variable modification

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Question 3

What is the purpose of the auto keyword?

  • Declares a constant

  • Deduces variable type

  • Allocates memory

  • Defines a loop

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Question 4

What is a constexpr used for?

  • Runtime evaluation

  • Compile-time evaluation

  • Dynamic memory allocation

  • Function definition

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Question 5

What is the purpose of a variable in C++?

  • To repeat a set of instructions multiple times

  • To store data that can be used and modified during program execution

  • Define functions

  • To define reusable blocks of code

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