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

C Interview Questions

Questions Answers Views Company eMail

how to find the kth smallest element in the given list of array elemnts.

Silicon,

8 24641

how to sort two array of characters and make a new array of characters.

Accenture,

1 5570

what is difference between ++(*p) and (*p)++

Accenture, HCL, IBM,

17 29772

what is difference between array of characters and string

Accenture, Nest,

18 48737

char ch=10;printf("%d",ch);what is the output

Accenture,

14 26682

char ch="{'H','I',0};printf("%s",ch);what is output

Accenture,

9 14365

which one is not preprocessor directive a)#if b)#elif c)#undef d)#pragma

Accenture, Infosys, TCS, Wipro,

16 26301

what will be the output: main(){char ch;int a=10;printf("%d",ch);}

Accenture, TCS, Wipro,

36 37122

value = 0xabcd; for (loop = 1; (value >> 1) & 1 | loop & 1; loop++) { foo(); if (loop & 1) value >>= 1; } how many times is foo() executed?

Google,

6 12857

class foo { public: static int func(const char*& p) const; }; This is illegal, why?

Google,

8 16973

how to estimate the disk access time? e.g. the time between read one byte and another byte in the disk.

Google,

3 12685

what is the hexidecimal number of 4100?

Google,

16 24259

give one ip, find out which contry

Google,

4 13586

What is C language Terminator?

TCS,

15 33255

program to find a smallest number in an array

Microsoft, Sony,

15 40613

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Un-Answered Questions { C }

What are pointers?

1110

Explain zero based addressing.

1030

What are the differences between new and malloc in C?

1149

exit () is used to a) exit () terminates the execution of the program itself b) exit () terminates the execution of the loop c) exit () terminates the execution of the block d) none of the above

1121

If fflush wont work, what can I use to flush input?

1106

Do pointers need to be initialized?

1084

Explain the difference between exit() and _exit() function?

1172

Which is the memory area not included in C program? give the reason

1948

How can I call fortran?

1044

Stimulate calculator using Switch-case-default statement for two numbers

2993

hi send me sample aptitude papers of cts?

2166

Describe static function with its usage?

1210

Differentiate between a structure and a union.

1291

What is the difference between a free-standing and a hosted environment?

1148

Write a program to find factorial of a number using recursive function.

1123

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