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

C Interview Questions

Questions Answers Views Company eMail

What will be the output of following program #include main() { int x,y = 10; x = y * NULL; printf("%d",x); }

1 2634

write a c program to find largest of three numbers using simple if only for one time.

1 2328

Why cd or dvd are round why not square.

1 2224

Which driver is a pure java driver

Vertex,

1684

In c programming write a program that will print 10 multiples of 3 except 15,18,21 using looping

1587

Program will then find the largest of three numbers using nested if-else statements. User is prompted to enter three numbers. Program will find the largest number and display it on the screen. All three numbers entered by the user are also displayed. If user enters 21, 33, and 5, the output should be as follows: You entered: 21, 33 and 5. The largest number is 33.

1764

The program will first compute the tax you owe based on your income. User is prompted to enter income. Program will compute the total amount of tax owed based on the following: Income Tax 0 - $45,000 = 0.15 x income $45,001 - $90,000 = 6750 + 0.20 x (income – 45000) $90,001 - $140,000 = 15750 + 0.26 x (income – 90000) $140,001 - $200,000 = 28750 + 0.29 x (income – 140000) Greater than $200,000 = 46150 + 0.33 x (income – 200000) Dollar amounts should be in dollars and cents (float point numbers with two decimals shown). Tax is displayed on the screen.

Microsoft,

1676

Explain output of printf("Hello World"-'A'+'B'); ?

1555

.find the output of the following program? char*myfunc(char*ptr) { ptr +=3; return (ptr); } int main() { char*x,*y; x="HELLO"; y=myfunc(x); printf("y = %s ",y); return 0; }

2659

we need to calculating INCOME TAX for the person. The INCOME TAX is as follows:- First $10000/- of income : 4% tax Next $10000/- of income : 8% tax Next $10000/- of income : 11.5% tax above $10, 00,00/- : 15% tax What is the Solution of this Question ?

1315

Given a valid 24 hour format time find the combination of the value and write a program ,do not hard the value and if any other inputs provided should work with the logic implemented Input: 11:30 Output: 13:10 Input: 18:25 Output: 21:58

Zoho,

1573

int i=10; printf("%d %d %d", i, i=20, i);

1693

largest Of three Number using without if condition?

1662

What is your favorite subject?

Ericsson, Invendis, Tech Mahindra,

1 2293

int main() { Int n=20,i; For(i=0;i<=n;i--) { Printf(“-“); Return 0;

1925

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Un-Answered Questions { C }

Why is #define used?

1332

how to introdu5ce my self in serco

2049

why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1809

Can a file other than a .h file be included with #include?

1218

What are valid operations on pointers?

1260

What is structure and union in c?

1203

Is it better to use a macro or a function?

1202

Does c have circular shift operators?

1294

Is a pointer a kind of array?

1243

How do you override a defined macro?

1312

Tell me can the size of an array be declared at runtime?

1083

Why do we need volatile in c?

1226

Write a code to determine the total number of stops an elevator would take to serve N number of people.

1309

What is the difference between array and pointer in c?

1219

diff between exptected result and requirement?

2106

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