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Embedded C is used to develop micro controller based applications. Embedded C includes features not available in normal C like fixed-point arithmetic, named address spaces, and basic I/O hardware addressing. Cell phones, MP3 players are some example for embedded systems in which embedded C is used to program and control these devices. Prev Next ...
What is the use of “goto” statement? What value will be assigned to the variable X if a = 10, b = 20, c = 30, d = 40 for the expression X = a/b+c*d-c? What is the value assigned to the following variables? int X1 = 13/3; int X2 = 13%3; What is the difference between auto variable and register variable in C?
The C language is a structure oriented programming language developed by Dennis Ritchie. The C language is belonging to middle level programming language. Operating system programs such as Windows, Unix, Linux are written in C language. C89/C90 and C99 are two standardized editions of C language. C has been written in assembly language.
C programming language is a structure oriented programming language, was developed at Bell Laboratories in 1972 by Dennis Ritchie. C language features were derived from earlier language called “B” (Basic Combined Programming Language – BCPL) In earlier days, programs were written in assembly level language. So, it had happened to write ...
11. Describe about C standards. C89/C90 standard – First standardized specification for C language was developed by American National Standards Institute in 1989. C89 and C90 standards refer to the same programming language. C99 standard – Next revision was published in 1999 that introduced new futures like advanced data types and other ...
35. What is void in C? Void is an empty data type that has no value. We use void data type in functions when we don’t want to return any value to the calling function. Example: void sum (int a, int b); – This function won’t return any value to the calling function. int sum (int a, int b); – This function will return value to the calling ...
C – Decision Control statement. C Decision Control statement: In decision control statements (if-else and nested if), group of statements are executed when condition is true. If condition is false, then else part statements are executed. There are 3 types of decision making control statements in C language.
Prev Next 114. What are library functions and their use in C language? Can we write our own functions and include them in C library? Library functions in C language are inbuilt functions which are grouped together and placed in a common place called library. The use of library function is to get the pre-defined output instead of writing our own code to get those outputs. Yes. We can write our own functions and include them in C library. Prev Next More C interview questions and answers: What ...
Macro is a name which is given to a value or to a piece of code/block in a program. Instead of using the value, we can use macro which will replace the value in a program. The reason for using macro is, consider below example. You are using a person’s age as 50 in many places in your program. If you use direct value in all the places in your ...
Exception handling is not present in C programming language. Whereas exception handling is present in Java. Polymorphism, virtual function, inheritance, Operator overloading, namespace concepts are not available in C programming language. Whereas Java supports all these concepts and features. Prev Next More C interview questions and answers:
