C Interview Questions
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the factorial of non-negative integer n is written n! and is defined as follows: n!=n*(n-1)*(n-2)........1(for values of n greater than or equal to 1 and n!=1(for n=0) Perform the following 1.write a c program that reads a non-negative integer and computes and prints its factorial. 2. write a C program that estimates the value of the mathematical constant e by using the formula: e=1+1/!+1/2!+1/3!+.... 3. write a c program the computes the value ex by using the formula ex=1+x/1!+xsquare/2!+xcube/3!+....

Ignou,

2 22101

write a program that reads lines(using getline), converts each line to an integer using atoi, and computes the average of all the numbers read. also compute the standard deviation.

1956

What are the uses of pre-processor directives?

2 5316

Write a function that accepts two numbers,say a and b and makes bth bit of a to 0.No other bits of a should get changed.

Scientific Atlanta, Wipro,

2 3897

Hi, main() { } Is a user defined function or Built in Functionn

Honeywell, Yahoo,

26 32013

program to find the magic square

Infosys,

1 5081

Program to trim a given character from a string.

NetApp,

5 7217

what is the mean of c languages.

Polaris,

1 3375

HOW TO FIND OUT THE RREVERS OF A GIVEN DIGIT NUMBER IF IT IS INPUT THROUGH THE KEYBORD BY USING C LANGUAGE

Wipro,

3 4518

how to find out the reverse number of a digit if it is input through the keyboard?

6 8509

atoi, which takes a string and converts it to an integer. write a program that reads lines(using getline), converts each line to an integer using atoi and computes the average of all the numbers read. also compute the standard deviation

2139

write the function int countchtr(char string[],int ch);which returns the number of timesthe character ch appears in the string. for example the call countchtr("she lives in Newyork",'e') would return 3.

6 7155

a number whose only prime factors are 2,3,5, and 7 is call humble number,,write a program to find and display the nth element in this sequence.. sample input : 2,3,4,11,12,13, and 100.. sample output : the 2nd humble number is 2,the 3rd humble number is 3,the 4th humble number is ,the 11th humble number is 12, the 12th humble number is 14, the 13th humble number is 15, the 100th humble number is 450.

4510

a number is perfect if it is equal to the sum of its proper divisor.. 6 is perfect number coz its proper divisors are 1,2 and three.. and 1+2+3=6... a number is deficient if the sum of its proper divisor is less than the number.. sample: 8 is deficient, coz its proper divisors are 1,2 and 4, and 1+2+4=7. abundant number, if the sum of its proper divisor is greater than the number.. sample..12 is abundant coz 1+2+3+4+6=16 which is geater than 12. now write a program that prompts the user for a number, then determines whether the number is perfect,deficient and abundant..

1 6026

the number 138 is called well ordered number because the three digits in the number (1,3,8) increase from left to right (1<3<8). the number 365 is not well ordered coz 6 is larger than 5. write a program that wull find and display all possible three digit well ordered numbers. sample: 123,124,125,126,127,128,129,134 ,135,136,137,138,139,145,146,147 148 149,156.......789

5 20515


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Un-Answered Questions { C }

What is the right type to use for boolean values in c?

560


What type is sizeof?

564


What are qualifiers?

591


What are the uses of null pointers?

570


Explain how can you check to see whether a symbol is defined?

633






simple program of graphics and their output display

1444


Which operators cannot be overloaded a) Sizeof b) .* c) :: d) all of the above

637


What is the full form of getch?

551


What does 3 mean in texting?

585


Can the sizeof operator be used to tell the size of an array passed to a function?

593


What does the error message "DGROUP exceeds 64K" mean?

703


What is the use of structure padding in c?

540


In c language can we compile a program without main() function?

551


What are the types of functions in c?

548


What is bubble sort in c?

609