What do you mean by a Nested Structure?Īns: When a data member of one structure is referred by the data member of another function, then the structure is called a Nested Structure.Īns: Keywords, Constants, Special Symbols, Strings, Operators, Identifiers used in C program are referred to as C Tokens.Īns: A Preprocessor Directive is considered as a built-in predefined function or macro that acts as a directive to the compiler and it gets executed before the actual C Program is executed. To execute any C program, main() is required. Can a C program be compiled or executed in the absence of a main()?Īns: The program will be compiled but will not be executed. Differentiate between Actual Parameters and Formal Parameters.Īns: The Parameters which are sent from main function to the subdivided function are called as Actual Parameters and the parameters which are declared a the Subdivided function end are called as Formal Parameters. Step-2 − Add 1 to above, giving 1011, which is -5 Calculate the two’s complement of the same positive integer. What are the valid places where the programmer can apply Break Control Statement?Īns: Break Control statement is valid to be used inside a loop and Switch control statements.Īns: To store a negative integer, we need to follow the following steps. The only difference between them is that calloc() will load all the assigned memory locations with value 0 but malloc() will not. Differentiate between calloc() and malloc()Īns: calloc() and malloc() are memory dynamic memory allocating functions. The variables declared using Static keyword will have their scope restricted to the function in which they are declared. What are static variables and functions?Īns: The variables and functions that are declared using the keyword Staticare considered as Static Variable and Static Functions. In C, all identifiers are lexically (or statically) scoped.
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What do you mean by the Scope of the variable? What is the scope of the variables in C?Īns: Scope of the variable can be defined as the part of the code area where the variables declared in the program can be accessed directly. In case if that particular variable is deleted and the Pointer is still pointing to the same memory location, then that particular pointer variable is called as a Dangling Pointer Variable. What do you mean by Dangling Pointer Variable in C Programming?Īns: A Pointer in C Programming is used to point the memory location of an existing variable. The Basic Datatypes supported in C Language are as follows: Datatype Name What are the basic Datatypes supported in C Programming Language?Īns: The Datatypes in C Language are broadly classified into 4 categories. What do you mean by a Nested Structure?īeginners C Programming Interview Questions.Can a C program be compiled or executed in the absence of a main()?.Differentiate between Actual Parameters and Formal Parameters.What are the valid places where the programmer can apply Break Control Statement?.Differentiate between calloc() and malloc().What are static variables and functions?.What do you mean by the Scope of the variable? What is the scope of the variables in C?.What do you mean by Dangling Pointer Variable in C Programming?.What are the basic Datatypes supported in C Programming Language?.DS (font: Arial,sans-serif 12.Want to Upskill yourself to get ahead in your career? Check out the Top Trending Technologies.
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