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 24402

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

Accenture,

1 5516

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

Accenture, HCL, IBM,

17 29192

what is difference between array of characters and string

Accenture, Nest,

18 48166

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

Accenture,

14 26245

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

Accenture,

9 14061

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

Accenture, Infosys, TCS, Wipro,

16 25850

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

Accenture, TCS, Wipro,

36 36208

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 12658

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

Google,

8 16770

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

Google,

3 12522

what is the hexidecimal number of 4100?

Google,

16 23798

give one ip, find out which contry

Google,

4 13435

What is C language Terminator?

TCS,

15 32798

program to find a smallest number in an array

Microsoft, Sony,

15 40135

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Un-Answered Questions { C }

what do the 'c' and 'v' in argc and argv stand for?

1125

What is a lookup table in c?

1060

Give me the code of in-order recursive and non-recursive.

1335

What is c variable?

1008

main(){char *str;scanf("%s",str);printf("%s",str); }The error in the above program is: a) Variable 'str' is not initialised b) Format control for a string is not %s c) Parameter to scanf is passed by value. It should be an address d) none

1317

What is the size of array float a(10)?

1105

What is d'n in c?

1080

Difference between malloc() and calloc() function?

1153

hello freinds next week my interview in reliance,nybody has an idea about it intervew questions..so tell

2149

What is an example of structure?

990

What is scope and lifetime of a variable in c?

1008

How can you invoke another program from within a C program?

1038

What is table lookup in c?

1050

What is the difference between memcpy and memmove?

985

What is static identifier?

1184

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