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	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. To buy an eBook containing 30,000 Interview Questions, with Answers, Click Here. View All C Interview Questions & Answers - Exam Mode / Learning Mode
C Interview Questions & Answers
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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Arrays in C Interview Questions & Answers (18) Exam Mode | Learning Mode

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C Basics Interview Questions & Answers (92) Exam Mode | Learning Mode

Dynamic Memory Allocation in C Interview Questions & Answers (21) Exam Mode | Learning Mode

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Structures in C Interview Questions & Answers (39) Exam Mode | Learning Mode

Variables in C Interview Questions & Answers (39) Exam Mode | Learning Mode

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What is :- Token , identifier , block , parameter , argument , scope of variable , Macro ?		View Answer
What is type integration? And what is integer type integration?		View Answer
Q.8 When a 'C' function call is made, the order in which parameters passed to the function are pushed into the stack is (a) left to right (b) right to left (c) bigger variables are moved first than the smaller variables. (d) smaller variables are moved first than the bigger ones (c) none of the above.		View Answer
What will be the output of the following program in UNIX OS with CC compiler and TC compiler? int main() { int i=5; printf(" %d",++i + ++i + ++i + ++i + ++i ); } If any difference then Why it is difference?		View Answer
How to find GCD of four numbers?		View Answer
If the program (myprog) is run from the command line as myprog 1 2 3 , What would be the output? main(int argc, char *argv[]) { int i; for(i=0;i<argc;i++) printf("%s",argv[i]); }		View Answer
main(int x)............. explaination on arguments passed thr' main		View Answer
How would you obtain the current time and difference between two times?		View Answer
When does the compiler not implicitly generate the address of the first element of an array ?		View Answer
Write down the equivalent pointer expression for reffering the same element a[i][j][k][l]?		View Answer
What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?		View Answer
Write a C program that will convert Simple Sentence to Complex/Compound Sentence.		View Answer
When should the register modifier be used? Does it really help ?		View Answer
main() { int i = 0xff ; printf("n%d", i<<2); }		View Answer
1.WRITE A 'C' PROGRAM TO READ THE AGE OF 100 PERSONS AND COUNT THE NUMBER OF PERSONS IN THE AGE GROUP 50 TO 60.USE FOR LOOP AND CONTINUE STATEMENTS.(10 MARKS) 2.WRITE A PROGRAM TO READ A POSITIVE INTEGER AND PRINT ITS BINARY EQUIVALENT.(10 MARKS) 3.GIVEN TWO ONE DIMENSIONAL ARRAYS A AND B WHICH ARE SORTED IN ASSCENDING ORDER.WRITE A PROGRAM TO MERGE THEM INTO A SINGLE SORTED ARRAY ,C THAT CONTAINS EVERY ITEM FROM ARRAYS A AND B,IN ASCENDING ORDER.(10 MARKS) 4.WRITE A FUNCTION IN C THAT WOULD TRAVERSE A LINEAR SINGLY LINKED LIST IN REVERSE AND WRITE OUT THE CONTENTS IN REVERSE ORDER.(10 MARKA) 5.WRITE A PROGRAM TO READ A SET OF INTEGERS AND TO SEPARATE ALL ODD AND EVEN NUMBERS .WRITE ALL EVEN NUMBERS IN ASCENDING ORDER.(10 MARKS) 6.WRITE A PROGRAM TO READ A REAL NUMBER X ANF FIND THE EVEN NUMBER NEAREST TO X.(10 MARKS) 7.WRITE A PROGRAM TO MULTIPLY TWO MATRICES OF ORDER MN AND NP RESPECTIVELY.(10 MARKS) 8.WRITE A PROGRAM IN'C' TO IMPLEMENT K-MAP SIMPLIFICATION TECHNIQUE.(10 MARKS)		View Answer
I want C program code for : Reverse the links of a linked list by traversing only once Input: The input consists of the information in each node of the linked list. Output: The program displays the information in the linked list after the links are reversed. Sample Input: Enter the information in the linked list (Enter -1 to exit): 10 20 30 40 50 -1 Sample Output: After the links are reversed Information in the linked list: 50 40 30 20 10		View Answer
I WANT DISPLAY 1111 1222 1233 1234 SEND ME ANS PLZZZZZZZ		View Answer
Can you tell me how to check whether a linked list is circular ?		View Answer
main() { char * strA; char * strB = I am OK; memcpy( strA, strB, 6); }		View Answer
#include <stdio.h> int main() { int a=3, b = 5; printf(&a["Ya!Hello! how is this? %s "], &b["junk/super"]); printf(&a["WHAT%c%c%c %c%c %c ! "], 1["this"], 2["beauty"],0["tool"],0["is"],3["sensitive"],4["CCCCCC"]); return 0; }		View Answer