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 2584

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

1 2254

Why cd or dvd are round why not square.

1 2141

Which driver is a pure java driver

Vertex,

1620

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

1516

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.

1695

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,

1636

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

1500

.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; }

2589

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 ?

1264

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,

1532

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

1626

largest Of three Number using without if condition?

1604

What is your favorite subject?

Ericsson, Invendis, Tech Mahindra,

1 2226

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

1835

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Un-Answered Questions { C }

1.int a=10; 2.int b=20; 3. //write here 4.b=30; Write code at line 3 so that when the value of b is changed variable a should automatically change with same value as b. 5.

2156

Define Spanning-Tree Protocol (STP)

1135

What are the types of arrays in c?

1181

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

2255

Why enum is used in c?

962

Between macros and functions,which is better to use and why?

2228

What does the message "automatic aggregate intialization is an ansi feature" mean?

1190

what is a constant pointer in C

1181

Is it possible to pass an entire structure to functions?

998

Write a code of a general series where the next element is the sum of last k terms.

1043

What is nested structure in c?

1069

FILE PROGRAMMING

2244

What is structure and union in c?

1151

What do the functions atoi(), itoa() and gcvt() do?

1193

code for find determinent of amatrix

1971

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