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

C Interview Questions

Questions Answers Views Company eMail

What is the purpose of the statement: strcat (S2, S1)?

1171

What is indirection? How many levels of pointers can you have?

Aspire, Infogain,

1145

Write a program, where i have a grid with many cells, how many paths are possible from one point to other desired points.

Expedia,

1240

Write a factorial program using C.

iNautix,

1084

Devise a program that inputs a 3 digit number n and finds out whether the number is prime or not. Find out its factors.

TCS,

1126

How to find a missed value, if you want to store 100 values in a 99 sized array?

Honeywell, Zomato,

1415

Write a program to implement a round robin scheduler and calculate the average waiting time.Arrival time, burst time, time quantum, and no. of processes should be the inputs.

Aspiring Minds,

1108

Write a code to remove duplicates in a string.

Expedia,

1039

Why C language is a procedural language?

Ericsson,

1039

Explain Basic concepts of C language?

EXL,

1161

What is the use of function overloading in C?

Ittiam Systems,

1177

Write the control statements in C language

Atos Origin,

1208

Write a program to print all permutations of a given string.

JPMorgan Chase,

1201

What is the purpose of macro in C language?

Fidelity,

1127

Differentiate between Macro and ordinary definition.

Motorola,

1384

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Un-Answered Questions { C }

Compare array data type to pointer data type

1037

Explain null pointer.

1121

How does struct work in c?

1089

disply the following menu 1.Disply 2.Copy 3.Append; as per the menu do the file operations 4.Exit

2076

What is string concatenation in c?

1094

What header files do I need in order to define the standard library functions I use?

1060

What is extern storage class in c?

1000

shorting algorithmS

2256

Q.1 write aprogram to stack using linklist o insert 40 items? Q.2 write a program to implement circular queue with help of linklist?

2129

Can I use base-2 constants (something like 0b101010)? Is there a printf format for binary?

1006

Write a program for Overriding.

1160

Why is c called "mother" language?

1295

How can I generate floating-point random numbers?

1132

What is the right type to use for boolean values in c?

1039

What is meant by keywords in c?

1071

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