Embedded C Interview Questions and Answers Pdf - 1
Question: 1
What are all the sections that a C program may/must have?
There are many sections in a C program structure. They are
Documentation section
Link section
Definition section
Global declaration section
Function prototype declaration section
Main function
User defined function section
main() function section is an important section in a C program as program execution starts from main() function only in C language. A C program may not have all other sections except main() function.
Question: 2
What are the different types of modifiers in C?
There are five modifiers available in C language. They are,
short
long
signed
unsigned
long long
Question: 3
What is constant in C?
Constants refer to fixed values. They are also called as literals.
C constants are also like normal variables.
But, only difference is, constant values can’t be modified by the program once they are defined.
Constants may be belonging to any of the data type.
Question: 4
What are the types of constants in C?
There are many types of constants in C Programming are:
Integer constants
Real or floating point constants
Octal and hexadecimal constants
Character constants
String constants
Backslash character constants
Question: 5
What is meant by preprocessor?
Preprocessor is the program, that process our source program before the compilation.
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