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

C Interview Questions

Questions Answers Views Company eMail

what is c

1 3631

How Many Header Files in c?

TCS,

2 5650

praagnovation

2281

Given a number N, product(N) is the product of the digits of N. We can then form a sequence N, product(N), product(product(N))… For example, using 99, we get the sequence 99, 99 = 81, 81 = 8. Input Format: A single integer N Output Format: A single integer which is the number of steps after which a single digit number occurs in the sequence. Sample Test Cases: Input #00: 99 Output #00: 2 Explanation: Step - 1 : 9 * 9 = 81 Step - 2 : 8 * 1 = 8 There are 2 steps to get to this single digit number. Input #01: 1137638147

2 5455

Do you know what is a programing language ?

2000

i am using gsm modem ! I USE CMGL COMMAND TO DISPLAY THE LIST OF MESSAGES ! I WANT TO READ EACH MESSAGE ONE BY ONE AND GET EACH MESSAGE INDEX USING C PROGRAM ! THE RESPONSE OF THE MODULE AFTER AT+CMGL IS ---CMGL: 1,"REC READ","+85291234567",,"07/05/01,08:00:15+32",145,37 It is easy to list SMS text messages.---- I WANT THE PROGRAM TO GET THE NUMBER "37"{MESSAGE LENGTH} AS WELL AS "1"(MESSAGE INDEX NUMBER" PLEASE HELP

MTNL,

1 3817

how to swap four numbers without using fifth variable?

2 13480

please tell me the logic for this C program : INPUT (string):ABCD OUTPUT :BCDA CDAB DABC

Mphasis,

2 12337

why we use "include" word before calling the header file. is there any special name for that include??????

TCS,

1 4205

while running a program, i got the msg that press return key to exit.what that mean in C as there are no such options as far i know.

TCS,

1 3500

please help me.. how to write a code of this output?? "Enter range number:"10 1 is an odd number 2 is an even numbers 3 in an odd numbers 4 " to 10" "printing all odd numbers:" 1,3,5,7,9 "printing all even numbers:" 2,4,6,8,10 "sum of all odd numbers:25 "sum of all even numbers:30 using a C Programming ARRAY pleas pleas help.. its my project ..please :(

1 3353

Iam a B.Tech graduate and completed my engineering in 2009, from 2005 to 2009 and after that i had done nothing.Now i want to do job and get into BPO field . Friends give me suggestions as what to say in interview... if they ask me that what would you had done ... these many years without doing job ??????? pls urgent

1826

Without using main fn and semicolon,print remainder for a given number in C language

2 3915

write a program to reverse the words in the sentence.NOTE:not reverse the entire string but just the occurance of each word

Sienna Ecad, Wipro,

1 4875

Given a string write a program to print all alphabetical characters in the order of their occurance first,followed by the sum of the numeric characters then followed by the special characters in the order of their occurance.

College School Exams Tests, Wipro,

1 4237

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Un-Answered Questions { C }

How do you determine whether to use a stream function or a low-level function?

1126

How do you use a pointer to a function?

1085

Can you please compare array with pointer?

1088

how to build a exercise findig min number of e heap with list imlemented?

2077

Explain what would happen to x in this expression: x += 15; (assuming the value of x is 5)

1286

By using C language input a date into it and if it is right?

1085

write a c program thal will find all sequences of length N that produce the sum is Zero, print all possible solutions?

2869

How to throw some light on the b tree?

1087

Write a c program to demonstrate character and string constants?

2192

How to write a code for reverse of string without using string functions?

2147

Can one function call another?

1112

int far *near * p; means

3559

What are linked lists in c?

1130

How do I determine whether a character is numeric, alphabetic, and so on?

1135

Difference between malloc() and calloc() function?

1201

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