C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

who will call your main function in c under linux?

2 6329

Write a Program to print this triangle: * ** * **** * ****** * ******** * ********** use two nested loops.

MIT, TCS,

12 29518

What is the difference between null pointer and void pointer

CTS, Manforce, MAQ Software,

10 47747

why r u join this company? give solid resons.

IBM, Infosys, TCS,

16 28445

Write a C program that computes the value ex by using the formula ex =1+x/1!+x2/2!+x3+3!+………….

1 16086

what is the advantage of using SEMAPHORES to ORDINARY VARIABLES???

NSN,

2 7503

main() { float a=8.8; double b=8.8; if(a==b) printf("Equal"); else printf("not equal"); getch(); } what is the output? with reason

CSC,

6 11537

plssssss help !!....using array.. turbo c.. create a program that will accept number of words to be consored. .a word must not exceed 10 characters long .the text to be entered will be no longer than 200 characters .there will be no 10 words example: enter number of words to be censor: 5 enter words to censor: windows office microsoft bill gates enter text to censor: bill gates founded microsoft and makes office and windows sample output: founded and makes and

1 5944

number 2 plssssss help !!....using array.. turbo c.. create a program that will accept a number and determine if it is a happy number or an unhappy number.. example: enter a number : 7 7*7=49 then 4 and 9 4*4 and 9*9== 16 + 18 gives you 97 then 9 and 7 9*9 and 7*7 == 81 + 49 gives you 130 then 1 and 3 1*1 and 3*3 == 1 + 9 gives you 10 1*1 gives you 1 sample output: 7= 49= 16+81= 97= 81+49=130 =1+9=10 =1 "7 is a happy number" . if the last number is 2 then the number being inputed is not a happy number.

3 7328

Convert the following expression to postfix and prefix X $ Y Z - M + N + P / Q / (R + S)

2 12990

Convert the following expression to postfix and prefix (A+B) * (D-C)

Satyam,

3 8364

plz answer..... a program that reads non-negative integer and computes and prints its factorial

2 5801

plz answer.. a program that takes a string e.g. "345" and returns integer 345

4 6833

plz answer....A program that takes 3 variables e.g a,b,c in as seperate parameters and rotates the values stored so that value goes a to b, b to c and c to a .

3 8325

plz answer.... write a program that reads line (using getline) e.g."345", converts each line to an integer using "atoi" and computes the average of all the numbers read. also compute the standard deviation.

1 3767

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Un-Answered Questions { C }

What are void pointers in c?

996

Why is extern used in c?

1091

Give basis knowledge of web designing ...

2020

Which is better pointer or array?

1028

Explain the use of bit fieild.

1137

Is c call by value?

1017

What are 'near' and 'far' pointers?

1041

What’s a signal? Explain what do I use signals for?

1106

Explain which function in c can be used to append a string to another string?

1090

please explain clearly about execution of c program in detail,in which stage are the printf sacnf getting into exeecutable code

2180

What does 4d mean in c?

1499

find the value of y y = 1.5x+3 for x<=2 y = 2x+5 for x>2

1992

What does 2n 4c mean?

1232

How can I access an I o board directly?

1092

Why void main is used in c?

1050

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