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

C Interview Questions

Questions Answers Views Company eMail

write a c program to find the largest and 2nd largest numbers from the given n numbers without using arrays

IBM,

1 2314

how to print the character with maximum occurence and print that number of occurence too in a string given ?

Microsoft,

1 2578

write c program to display output 10(10+20)+(10+20+30)+ ... n term

Hindustan Gum Chemicals,

2260

write a c program to do the following: a) To find the area of a triangle. b) To convert the temperature from Fahrenheit to Celsius. c) To convert the time in hours : minutes : seconds to seconds.

1 2076

why to assign a pointer to null sometimes??how can a pointer we declare get assigned with a garbage value by default???

1 2052

what will be the output of this program? void main() { int a[]={5,10,15}; int i=0,num; num=a[++i] + ++i +(++i); printf("%d",num); }

Microsoft,

6 8834

write a progrmm in c language take user interface generate table using for loop?

2120

Write the program with at least two functions to solve the following problem. The members of the board of a small university are considering voting for a pay increase for their 5 faculty members. They are considering a pay increase of 8%. Write a program that will prompt for and accept the current salary for each of the faculty members, then calculate and display their individual pay increases. At the end of the program, print the total faculty payroll before and after the pay increase, and the total pay increase involved.

1 5119

main() { int i; printf("%d",scanf"%d",&i))//if the input is 12 24 34 then wat will be the output }

2 4093

#include void main() { int a=10,b=20,c=30; printf("%d",scanf("%d%d%d",&a,&b,&c)); } what is the output for this?

IIIT,

4 11431

Is it possible to run using programming C for Java Application?

NIC,

2 4670

write a c program to find reminder and quotient if one number is divided by other.to code this program don't use more than 2 variables

TCS,

2 6385

write a program that declares an array of 30 elements named "income" in the main functions. then cal and pass the array to a programmer-defined function named "getIncome" within the "getIncome" function, ask the user for annual income of 30 employees. then calculate and print total income on the screen using the following function: "void getIncome ( ai []);

TCS,

1 2445

write a programming in c to find the sum of all elements in an array through function.

1 2248

i got 75% in all semester am i eligible for your company

Infosys,

1 2293

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Un-Answered Questions { C }

swap 2 numbers without using third variable?

1200

Is int a keyword in c?

1054

How do you convert strings to numbers in C?

1338

will u please send me the placement papers to my mail???????????????????

1919

What are pointers? What are different types of pointers?

1261

can any one please explain, how can i access hard disk(physical address)? it is possible by the use of far,near or huge pointer? if yes then please explain......

1993

In C language, the variables NAME, name, and Name are all the same. TRUE or FALSE?

1295

Do you know the difference between malloc() and calloc() function?

1131

what is associativity explain what is the precidence for * and & , * and ++ how the folloing declaration work 1) *&p; 2) *p++;

2511

In C programming, how do you insert quote characters (‘ and “) into the output screen?

1607

Write a program to maintain student’s record. Record should not be available to any unauthorized user. There are three (3) categories of users. Each user has its own type. It depends upon user’s type that which kind of operations user can perform. Their types and options are mentioned below: 1. Admin (Search Record [by Reg. No or Name], View All Records, Insert New Record, Modify Existing Record) 2. Super Admin (Search Record [by Reg. No or Name], View All Records, Insert New Record, Modify Existing Record, Delete Single Record) 3. Guest (Search Record [by Reg. No or Name], View All Records) When first time program runs, it asks to create accounts. Each user type has only 1 account (which means that there can be maximum 3 accounts). In account creation, following options are required: Login Name: <6-10 alphabets long, should be unique> Password: <6-10 alphabets long, should not display characters when user type> Confirm Password: Account Type: Login Name, Password and Account Type should be stored in a separate file in encrypted form. (Encryption means that actual information should be changed and Decryption means that Encrypted information is changed back to the actual information) If any of the above mentioned requirement(s) does not meet then point out mistake and ask user to specify information again. When Program is launched with already created accounts, it will ask for user name and password to authenticate. On successful authentication, give options according to the user’s type.

2071

Write a C program that will accept a hexadecimal number as input and then display a menu that will permit any of the following operations to be carried out: Display the hexadecimal equivalent of the one's complement. (b) Carry out a masking operation and then display the hexadecimal equivalent of the result. (c) Carry out a bit shifting operation and then display the hexadecimal equivalent of the result. (d) Exit. If the masking operation is selected, prompt the user lor the type of operation (bitwise and, bitwise exclusive or, or bitwise or) and then a (hexadecimal) value for the mask. If the bit shifting operation is selected. prompt the user for the type of shift (left or right), and then the number of bits. Test the program with several different (hexadecimal) input values of your own choice.

5444

what is ur strangth & weekness

2582

How can I implement sets or arrays of bits?

1114

ATM machine and railway reservation class/object diagram

5332

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