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 24650

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 29792

what is difference between array of characters and string

Accenture, Nest,

18 48759

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

Accenture,

14 26702

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

Accenture,

9 14381

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

Accenture, Infosys, TCS, Wipro,

16 26323

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

Accenture, TCS, Wipro,

36 37151

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 12858

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

Google,

8 16979

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

Google,

3 12692

what is the hexidecimal number of 4100?

Google,

16 24289

give one ip, find out which contry

Google,

4 13588

What is C language Terminator?

TCS,

15 33283

program to find a smallest number in an array

Microsoft, Sony,

15 40626

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Un-Answered Questions { C }

What is the sizeof () operator?

1086

What are the string functions? List some string functions available in c.

992

Write a function that will take in a phone number and output all possible alphabetical combinations

1052

Explain indirection?

1144

Explain what’s a signal? Explain what do I use signals for?

1165

What is the purpose of sprintf?

1140

1234554321 1234 4321 123 321 12 21 1 1 12 21 123 321 1234 4321 1234554321

3727

How does selection sort work in c?

1042

What are data types in c language?

1059

Explain the difference between malloc() and calloc() function?

1056

write a program to copy the string using switch case?

2904

I need previous papers of CSC.......plz help out by posting them.......

2298

What is ctrl c called?

1050

What is difference between structure and union in c?

991

what is the different bitween abap and abap-hr?

2337

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