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

C Interview Questions

Questions Answers Views Company eMail

c programs are converted into machine language with the help of a) an interpreter b) a compiler c) an operatinf system d) none of the above

1319

the real constant in c can be expressed in which of the following forms a) fractional form only b) exponential form only c) ascii form only d) both a and b

2755

a character variable can at a time store a) 1 character b) 8 characters c) 254 characters d) none of the above

3 5279

which of the following is not a character constant a) 'thank you' b) 'enter values of p, n ,r' c) '23.56E-o3' d) all of the above

2121

the maximum value that an integer constant can have is a) -32767 b) 32767 c) 1.701e+38 d) -1.7014e+38

1 2666

the maximum width of a c variable name can be a) 6 characters b) 8 characters c) 10 characters d) 20 characters

2 11160

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

1283

an expression contains relational operators, assignment operators, and arithmatic operstors. In the absence of parentheses, they will be evaluated in which of the following order a) assignment, relational, arithematic b) arithematic, relational, assignment c) relational, arithematic, assignment d) assignment, arithematic, relational

1377

how many types of operators are include in c language a) 4 b) 6 c) 8 d) 12

1133

c language supports bitwise operations, why a) 'c' language is system oriented b) 'c' language is problem oriented c) 'c' language is middle level language d) all the above

1099

application areas a 'c' a) operating system b) graphics, interpreter, assembler c) program evalution, communication softwares d) all the above

1115

Hierarchy decides which operator a) is most important b) is used first c) is fastest d) operates on largest numbers

1 3011

console I/O functions means a) the I/O operations done on disk b) the I/O operations done in all parts c) the input given through keyboard is displayed VDU screen d) none of the above

1219

which of the following is allowed in a "C" arithematic instruction a) [] b) {} c) () d) none of the above

1784

which of the following statement is wrong a) mes=123.56; b) con='T'*'A'; c) this='T'*20; d) 3+a=b;

3330

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Un-Answered Questions { C }

What is character set?

1216

What is the purpose of main() function?

1303

What are the advantage of c language?

1105

What is function prototype in c language?

1085

What are the different properties of variable number of arguments?

1202

How main function is called in c?

1167

Is c++ based on c?

1130

What is infinite loop?

1131

differentiate built-in functions and user – defined functions.

1148

How do I copy files?

1106

I need testPalindrome and removeSpace #include #define SIZE 256 /* function prototype */ /* test if the chars in the range of [left, right] of array is a palindrome */ int testPalindrome( char array[], int left, int right ); /* remove the space in the src array and copy it over to the "copy" array */ /* set the number of chars in the "copy" array to the location that cnt points t */ void removeSpace(char src[], char copy[], int *cnt); int main( void ) { char c; /* temporarily holds keyboard input */ char string[ SIZE ]; /* original string */ char copy[ SIZE ]; /* copy of string without spaces */ int count = 0; /* length of string */ int copyCount; /* length of copy */ printf( "Enter a sentence:\n" ); /* get sentence to test from user */ while ( ( c = getchar() ) != '\n' && count < SIZE ) { string[ count++ ] = c; } /* end while */ string[ count ] = '\0'; /* terminate string */ /* make a copy of string without spaces */ removeSpace(string, copy, ©Count); /* print whether or not the sentence is a palindrome */ if ( testPalindrome( copy, 0, copyCount - 1 ) ) { printf( "\"%s\" is a palindrome\n", string ); } /* end if */ else { printf( "\"%s\" is not a palindrome\n", string ); } /* end else */ return 0; /* indicate successful termination */ } /* end main */ void removeSpace(char src[], char copy[], int *cnt) { } int testPalindrome( char array[], int left, int right ) { }

2748

Can a pointer be static?

1130

Describe static function with its usage?

1272

Why enum is used in c?

1015

What is modifier & how many types of modifiers available in c?

1072

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