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 24646

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

Accenture,

1 5571

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

Accenture, HCL, IBM,

17 29782

what is difference between array of characters and string

Accenture, Nest,

18 48746

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

Accenture,

14 26693

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

Accenture,

9 14373

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

Accenture, Infosys, TCS, Wipro,

16 26311

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

Accenture, TCS, Wipro,

36 37136

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 16977

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

Google,

3 12689

what is the hexidecimal number of 4100?

Google,

16 24286

give one ip, find out which contry

Google,

4 13588

What is C language Terminator?

TCS,

15 33272

program to find a smallest number in an array

Microsoft, Sony,

15 40619

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Un-Answered Questions { C }

Is file a keyword in c?

935

I need a sort of an approximate strcmp routine?

1031

What is #line used for?

1028

How we can insert comments in a c program?

1129

How can I generate floating-point random numbers?

1132

Write a program to print "hello world" without using a semicolon?

1063

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create.

1942

‘ C’ PROGRAME TO SHOW THE TYPE OF TRANGLE BY ACCEPTING IT’S LENGTH .

2881

Explain what is wrong with this program statement? Void = 10;

1265

How many types of operator or there in c?

1100

Why is struct padding needed?

1088

List the different types of c tokens?

1074

What is c token?

1068

if a is an integer variable, a=5/2; will return a value a) 2.5 b) 3 c) 2 d) 0

1949

How is null defined in c?

1156

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