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 2636

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

1 2336

Why cd or dvd are round why not square.

1 2225

Which driver is a pure java driver

Vertex,

1690

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

1598

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.

1771

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'); ?

1561

.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; }

2663

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 ?

1317

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);

1699

largest Of three Number using without if condition?

1667

What is your favorite subject?

Ericsson, Invendis, Tech Mahindra,

1 2299

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

1929

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Un-Answered Questions { C }

Can a variable be both const and volatile?

1191

Differentiate fundamental data types and derived data types in C.

1090

Is null a keyword in c?

1252

What does %p mean?

1156

What is pointer & why it is used?

1172

a c variable cannot start with a) an alphabet b) a number c) a special symbol d) both b and c above

1283

What is the Purpose of 'extern' keyword in a function declaration?

1143

What is malloc() function?

1235

Can you please explain the difference between syntax vs logical error?

1241

What are run-time errors?

1176

FILE *fp1,*fp2; fp1=fopen("one","w") fp2=fopen("one","w") fputc('A',fp1) fputc('B',fp2) fclose(fp1) fclose(fp2)} a.error b. c. d.

1811

What are structure types in C?

1154

What is array in C

1211

What is pointer to pointer in c?

1152

main() { printf("hello"); fork(); }

1249

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