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

C Interview Questions

Questions Answers Views Company eMail

which one of follwoing will read a character from keyboard and store in c a)c=getc() b)c=getchar() c)c=getchar(stdin) d)getc(&c) e)none

Trident,

7 23902

what is disadvantage of pointer in C

Tech Mahindra,

13 29125

ABCDCBA ABC CBA AB BA A A

TCS,

4 19534

which one is highest Priority in c? a)=,b)+,c)++,d)==

4 6950

which one low Priority in c? a)=,b)++,c)==,d)+

10 11768

What are data breakpoints?

Adobe,

3 9381

What are bit fields? What is their use?

Adobe,

2 6499

Write code for atoi(x) where x is hexadecimal string.

Adobe,

5 26639

Write code for finding depth of tree

Adobe,

2 6470

Two's compliment of -5

Adobe,

4 9416

CopyBits(x,p,n,y) copy n LSBs from y to x starting LSB at 'p'th position.

Adobe,

9 12608

what's the return value of malloc()

9 16190

I have written a pro*C program to fetch data from the cursor. where in i have used the concept of BULK FETCH.... each FETCH statement is taking lots of time to fetch specified number of rows at...

10204

What are the average number of comparisons required to sort 3 elements?

DRDO,

2 7015

Is it possible to run a c program without using main?If yes HOW??

Wipro,

13 20618

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Un-Answered Questions { C }

Is a house a shell structure?

1165

What is #include stdio h?

1122

A function can make the value of a variable available to another by a) declaring the variable as global variable b) Passing the variable as a parameter to the second function c) Either of the two methods in (A) and (B) d) binary stream

1175

Write a program to swap two numbers without using third variable?

1306

What is getch () for?

1241

why use "return" statement a) on executing the return statement it immediately transfers the control back to the calling program b) it returns the value present in the parentheses return, to the calling program c) a & b d) none of the above

1084

How do we print only part of a string in c?

1030

Subtract Two Number Without Using Subtraction Operator

853

What do header files do?

1078

With the help of using classes, write a program to add two numbers.

1043

What is d scanf?

1092

What are local variables c?

1025

What is the use of ?: Operator?

1140

Why void is used in c?

1019

Explain what math functions are available for integers? For floating point?

1116

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