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 3632

How Many Header Files in c?

TCS,

2 5653

praagnovation

2282

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 5458

Do you know what is a programing language ?

2002

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 13481

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

Mphasis,

2 12338

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

TCS,

1 4206

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 3358

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 3917

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 }

explain what are pointers?

1016

write a c programming using command line argument,demonstrate set operation(eg;union,intersection,difference) example output is c:>setop 12 34 45 1 union 34 42 66 c:>setop 12 34 1 42 66 c:>setop 12 34 diff 12 56 67 78 setop 12 34

2187

What happens if a header file is included twice?

1037

What is string function c?

1026

Explain how does flowchart help in writing a program?

1119

what are enumerations in C

1163

How can I generate floating-point random numbers?

1132

What is meant by type specifiers?

1136

What should malloc(0) do? Return a null pointer or a pointer to 0 bytes?

1080

What are the 4 types of functions?

1059

what are non standard function in c

1914

What is echo in c programming?

1029

Why is c called "mother" language?

1294

Explain what are the different data types in c?

1223

Why is main function so important?

1107

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