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 24156

what is disadvantage of pointer in C

Tech Mahindra,

13 29530

ABCDCBA ABC CBA AB BA A A

TCS,

4 19680

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

4 7096

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

10 12064

What are data breakpoints?

Adobe,

3 9543

What are bit fields? What is their use?

Adobe,

2 6617

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

Adobe,

5 26826

Write code for finding depth of tree

Adobe,

2 6585

Two's compliment of -5

Adobe,

4 9569

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

Adobe,

9 12896

what's the return value of malloc()

9 16464

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...

10253

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

DRDO,

2 7123

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

Wipro,

13 21049

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Un-Answered Questions { C }

Explain how do you determine whether to use a stream function or a low-level function?

1137

Explain Function Pointer?

1245

What is the difference between far and near in c?

1122

What is meant by keywords in c?

1115

What are the salient features of c languages?

1142

Explain what are global variables and explain how do you declare them?

1236

How to create struct variables?

1173

What is volatile, register definition in C

1154

Write a program to identify if a given binary tree is balanced or not.

1237

What are extern variables in c?

1044

a parameter passed between a calling program and a called program a) variable b) constant c) argument d) all of the above

1177

Explain how does free() know explain how much memory to release?

1139

what is the function of pragma directive in c?

1183

What is an operator?

1130

Tell me the use of bit field in c language?

1110

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