Table of Contents
What is the default storage class of the variable?
Auto
Auto is the default storage class for all local variables.
Which is the default storage class in C Mcq?
The default storage class for functions in ‘C’ language is: Auto. Register. Static. Extern.
What are the storage classes available in C?
There are primarily four storage classes in C, viz. automatic, register, static, and external.
Which is not storage class in C?
Which of the following is not a storage class specifier in C? Explanation: volatile is not a storage class specifier. volatile and const are type qualifiers.
What is the default storage class for a variable Mcq?
4) What is the default C Storage Class for a variable.? Explanation: int a=5; // auto is by default auto int b=10; // storage class auto is explicitly mentioned.
What is Auto in C?
Auto is a storage class/ keyword in C Programming language which is used to declare a local variable. A local variable is a variable which is accessed only within a function, memory is allocated to the variable automatically on entering the function and is freed on leaving the function.
What is register storage class in C?
The register storage class is used to define local variables that should be stored in a register instead of RAM. This means that the variable has a maximum size equal to the register size (usually one word) and can’t have the unary ‘&’ operator applied to it (as it does not have a memory location).
What are the different storage classes in a C program?
We have four different storage classes in a C program − The auto storage class is the default storage class for all local variables. The example above defines two variables with in the same storage class. ‘auto’ can only be used within functions, i.e., local variables.
Which variables belong to the automatic storage class by default?
Every variable defined in a function or block belongs to automatic storage class by default if there is no storage class mentioned. The variables of a function or block belong to the automatic storage class are declared with the auto specifier.
What is a static storage class in C++?
The static Storage Class. The static storage class instructs the compiler to keep a local variable in existence during the life-time of the program instead of creating and destroying it each time it comes into and goes out of scope.
What to do if there is no storage class specifier specified?
There is at least one storage class specifier is given in the variable declaration. But, in case, there is no storage class specifier specified, the following rules are followed: 1. Variables declared within a function are considered as auto. 2. Functions declared within a function are considered as an extern. 3.