Quiz for:
auto Type Specifier in C++
Question 10
What happens if you use 'auto' with a variable whose type isn't obvious?
A.The compiler assigns a random type
B.It requires additional manual work to understand the code
C.You receive a compile-time warning
D.The variable defaults to a string type
Question 1
What is the primary function of the 'auto' type specifier in C++?
A.To manually define the type of a variable
B.To let the compiler deduce the type of a variable automatically
C.To restrict the type of a variable to integer
D.To enhance the performance of a program
Question 2
In which version of C++ was the 'auto' type specifier introduced?
A.C++03
B.C++17
C.C++11
D.C++20
Question 3
What is an initializer in the context of the 'auto' type specifier?
A.A function that initializes a program
B.A value used to initialize a variable
C.A special type of variable
D.A syntax rule in C++
Question 4
What happens if the initializers of two variables declared with 'auto' have different types?
A.The program runs successfully
B.The compiler deduces a common type automatically
C.The compiler throws an error
D.The variables default to an integer type
Question 5
When is it recommended to use the 'auto' type specifier?
A.When the type is obvious and long
B.In every variable declaration
C.When using fundamental types
D.To make code execution faster
Question 6
Can a variable declared with 'auto' be left uninitialized?
A.Yes, initialization is optional
B.No, an initializer is required
C.Yes, the compiler assigns a default value
D.No, it will cause the program to crash
Question 7
What benefit does using 'auto' provide in terms of code writing?
A.It increases the execution speed
B.It makes code cleaner, shorter, and more readable
C.It reduces the need for debugging
D.It prevents syntax errors
Question 8
What will the compiler output if both variables val1 and val2 are declared with 'auto' and their initializers are 10 and 25?
A.Error
B.The sum 35
C.The type int
D.The type double
Question 9
Why is overusing 'auto' not recommended?
A.It can slow down the program
B.It reduces the readability if types are not obvious
C.It makes the program more complex
D.It increases compilation time
Question 10
What happens if you use 'auto' with a variable whose type isn't obvious?
A.The compiler assigns a random type
B.It requires additional manual work to understand the code
C.You receive a compile-time warning
D.The variable defaults to a string type
Question 1
What is the primary function of the 'auto' type specifier in C++?
A.To manually define the type of a variable
B.To let the compiler deduce the type of a variable automatically
C.To restrict the type of a variable to integer
D.To enhance the performance of a program