C Interview Questions & Answers

Below we have listed all the C Interview Questions and answers. Feel free to comment on any C Interview Questions or answer by the comment feature available on the page.

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C is a high-level and general purpose programming language that is ideal for developing firmware or portable applications. Originally intended for writing system software, C was developed at Bell Labs by Dennis Ritchie for the Unix Operating System (OS) in the early 1970s. With the increasing popularity of object-oriented programming, C is being rapidly replaced as "the" programming language by C++, a superset of the C language that uses an entirely different set of programming concepts, and by Java, a language similar to but simpler than C++, that was designed for use in distributed networks.

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	Question	Rating	View Answer
	void main () { int x = 10; printf ("x = %d, y = %d", x,--x++); }		View Answer
	How do you print an address ?		View Answer
	main() { signed int bit=512, mBit; { mBit = ~bit; bit = bit & ~bit ; printf("%d %d", bit, mBit); } }		View Answer
	What is the difference between object and reference?		View Answer
	main() { int i=3; switch(i) { default:printf("zero"); case 1: printf("one"); break; case 2:printf("two"); break; case 3: printf("three"); break; } }		View Answer
	main() { signed int bit=512, i=5; for(;i;i--) { printf("%dn", bit >> (i - (i -1))); } }		View Answer
	How to print the names of employees or students in alphabetical order using C programming?		View Answer
	What is the code to find our age,for example if my date of birth is 4/12/1986 and today date is 16/11/2008 answer should give our year,month,no of days		View Answer
	How to write functions in c program without using headerfile.		View Answer
	Between n+1 and n++ which executes faster or both take the same time to execute?		View Answer
	using c-strings write a program that will analyse the text"1.1my brother is taller than me.1.2 I am a boy of sixteen years old". The program should remove multiple spaces betweem words,find the longest word in the text,search and identify the number of letters"e", extact the number of integers , extract the number of doubles, extract the number of words in each sentence and identify the number of sentences in the text.		View Answer
	What is the use of typedef?		View Answer
	const int perplexed = 2; #define perplexed 3 main() { #ifdef perplexed #undef perplexed #define perplexed 4 #endif printf("%d",perplexed); }		View Answer
	main() { char *a = "Hello "; char *b = "World"; clrscr(); printf("%s", strcpy(a,b)); }		View Answer
	Which language is not high-level language?		View Answer
	How to write a program to print its own source code?		View Answer
	How can do search for data in a linked list ?		View Answer
	What is the purpose of realloc( ) ?		View Answer
	What is the draw back in using friend function in c++		View Answer
	What is page thrashing ?		View Answer

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