C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

write a program to copy a string without using a string?

2 5315

what is the coding of display the factorial of a number using array and function?

1 3750

write a program to display reverse of a number using for loop?

14 44327

give an example of type casting by a simple c program

TCS,

2 4697

You have an array of n integers, randomly ordered with value 1 to n-1.The array is such that there is only one and one value occurred twice. How will you find this number?

1 3445

write a c program for print your name .but,your name may be small letter mean print a capital letter or your name may be capital letter mean print a small letter .example \\enter ur name : sankar The name is: SANKAR (or) enter your name:SAnkar The name is:saNKAR

IBM,

3 6594

write a program to gat the digt sum of a number (et. 15= >1+5=6)

2 4014

write a progam to display the factors of a given number and disply how many prime numbers are there?

2 7807

What is the mean of this statement:: if(int i=0 * i=9)

HCL,

2 4979

control 50 devices which has 2 states on and off.using bitwise operator.plz answer it its urgent

1 3472

write a c program to find the roots of a quadratic equation ax2 + bx + c = 0

CSC, St Marys, TATA,

11 46867

write a program to swap two numbers without using temporary variable?

3 7391

how to write a data 10 in address location 0x2000

3 5747

what is a non volatile key word in c language?

1 4496

what is diognisis?

1 3632

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Un-Answered Questions { C }

How many keywords are there in c?

1025

What is abstract data structure in c?

979

explain what are pointers?

970

What is the difference between fread and fwrite function?

1035

What is the scope of local variable in c?

1048

An instruction which is analysed and acted upon by the processor prior to the compiler going its work a) directive b) constructive c) constant d) absolute mode

1037

Can we change the value of #define in c?

960

Is exit(status) truly equivalent to returning the same status from main?

1010

Where are some collections of useful code fragments and examples?

1109

Write a program to print "hello world" without using a semicolon?

1007

What are identifiers and keywords in c?

1037

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

1098

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

1080

What are pragmas and what are they good for?

936

What is the need of structure in c?

1051

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