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 2492

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

1 2148

Why cd or dvd are round why not square.

1 2038

Which driver is a pure java driver

Vertex,

1532

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

1419

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.

1596

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,

1571

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

1431

.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; }

2504

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 ?

1207

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,

1471

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

1549

largest Of three Number using without if condition?

1527

What is your favorite subject?

Ericsson, Invendis, Tech Mahindra,

1 2131

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

1729

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Un-Answered Questions { C }

What are the preprocessor categories?

1002

What is an auto keyword in c?

1045

What is wrong with this declaration?

1046

what value is returned to operating system after program execution?

2062

How would you obtain the current time and difference between two times?

1237

What are all different types of pointers in c?

957

Write a program to generate the Fibinocci Series

1162

Explain the difference between malloc() and calloc() function?

988

What is a const pointer in c?

1075

What is signed and unsigned?

1014

How will you divide two numbers in a MACRO?

1083

How do you declare a variable that will hold string values?

1105

Explain what are bus errors, memory faults, and core dumps?

1223

Why is c faster?

1015

What is New modifiers?

1060

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