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 6331

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

MIT, TCS,

12 29534

What is the difference between null pointer and void pointer

CTS, Manforce, MAQ Software,

10 47750

why r u join this company? give solid resons.

IBM, Infosys, TCS,

16 28481

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

1 16091

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

NSN,

2 7509

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 11539

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 5945

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 7330

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

2 12997

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

Satyam,

3 8367

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

2 5802

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

4 6845

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 8328

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 3768

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Un-Answered Questions { C }

What is the difference between fread buffer() and fwrite buffer()?

1178

Is flag a keyword in c?

1153

in programming languages a statement or part of a statement that specifies several different execution sequences a) constructs b) distructs c) executes d) none

1102

Can the “if” function be used in comparing strings?

1050

Explain what is a static function?

1111

Why c language is called c?

1015

How do you list files in a directory?

1143

What is extern keyword in c?

1133

What is the importance of c in your views?

1174

Explain the use of fflush() function?

1084

What is a shell structure examples?

1101

What are the types of data files?

1205

In c language can we compile a program without main() function?

1136

What is the explanation for prototype function in c?

980

What is an expression?

1059

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