How does the preprocessor handle #define macros, and what are the risks of using them?
The #define directive in C++ is a preprocessor command used to define macros. A macro is a fragment of code […]
C++ Question Answers
C++ Question Answers
Explain the difference between #include and #include “file.h”.
The difference between #include <iostream> and #include “file.h” lies in how the preprocessor searches for the files being included in
C Question Answers
How do you implement and use enumerated data types (enum) effectively?
In C, enumerated data types (or enum) are used to define a set of named integer constants, making the code
C Question Answers
How is a structure different from a union in terms of memory allocation?
In C, both structures and union are used to group different data types together into a single unit. However, the
C Question Answers
Describe the purpose and use of the void data type.
The void data type in C is unique and serves multiple purposes, primarily as a way to indicate the absence
C Question Answers
Explain typecasting in C and when you would use it
Typecasting in C refers to the process of converting one data type to another. This is often necessary when you
C Question Answers
What are auto, register, static, and extern storage classes?
In C, storage classes define the scope, lifetime, and visibility of variables. The four main storage classes — auto, register,
C Question Answers
How are variables stored in memory, and what determines their addresses?
In C, variables are stored in memory locations, each of which has a unique address. This address is essentially a
C Question Answers
Why are signed and unsigned important in data type declarations?
In C programming, the signed and unsigned keywords are used to define whether a variable can store both positive and
C Question Answers
What are type qualifiers (const, volatile, restrict) in C?
In C, type qualifiers are keywords that provide additional information about how a variable or pointer is treated by the