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

1274

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

2686

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

3 5144

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

2068

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

1 2591

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

2 11089

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

1236

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

1323

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

1091

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

1060

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

1075

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

1 2927

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

1185

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

1731

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

3269

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Un-Answered Questions { C }

Differentiate between a for loop and a while loop? What are it uses?

1193

What is meant by recursion?

1059

What is the difference between local variable and global variable in c?

1240

Write a program to swap two numbers without using the third variable?

1079

How was c created?

1072

Give differences between - new and malloc() , delete and free() ?

1105

Explain what does it mean when a pointer is used in an if statement?

1076

A SIMPLE PROGRAM OF GRAPHICS AND THEIR OUTPUT I WANT SEE WAHAT OUTOUT OF GRAPHICS PROGRAM

2140

Write a code to remove duplicates in a string.

1049

What is spark map function?

1147

Why are algorithms important in c program?

1129

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 ) { }

2693

What is an array in c?

1060

What is echo in c programming?

1035

Explain what is the benefit of using enum to declare a constant?

1097

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