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 2255

Why cd or dvd are round why not square.

1 2141

Which driver is a pure java driver

Vertex,

1621

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,

1637

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 }

Is c easier than java?

1081

Do you know what are the properties of union in c?

1082

What is the difference between text files and binary files?

1351

Linked lists -- can you tell me how to check whether a linked list is circular?

1091

What are control structures? What are the different types?

1094

Explain how do you determine whether to use a stream function or a low-level function?

1090

Which built-in library function can be used to match a patter from the string?

1303

Where we use clrscr in c?

1141

What is a protocol in c?

1010

What is pass by reference in functions?

849

int i=3; this declaration tells the C compiler to a) reserve space in memory to hold the integer value b) associate the name i with this memory location c) store the value 3 at this location d) all the above

1306

What is the heap?

1221

What is the purpose of the statement: strcat (S2, S1)?

1171

What is the difference between struct and typedef struct in c?

1128

What are the different types of constants?

1077

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