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

C Interview Questions

Questions Answers Views Company eMail

which of the following shows the correct hierarchy of arithmetic operations in C a) (), **, * or/,+ or - b) (),**,*,/,+,- c) (),**,/,*,+,- d) (),/ or *,- or +

1739

if a is an integer variable, a=5/2; will return a value a) 2.5 b) 3 c) 2 d) 0

1956

in b=6.6/a+(2*a+(3*c)/a*d)/(2/n); which operation will be performed first a) 6.6/a b) 2*a c) 3*c d) 2/n

1 7921

the expression a=30*1000+2768; evalutes to a) 32768 b) -32768 c) 113040 d) 0

1 9152

FORMATTED INPUT/OUTPUT functions are a) scanf() and printf() b) gets() and puts() c) getchar() and putchar() d) all the above

1127

general for is %wd,f-d; in this system "w" means a) 'w' represent total width of digits b) 'w' represent width which includes the digits before,after decimal place and the decimal point c) 'w' represent width which includes the digits before only d) 'w' represent width after decimal place only

1084

in any language the sound structure of that language depends on its a) character set, input/output function, its control structures b) character set, library functions, input/output functions its control structures c) character set, library functions, control sturctures d) character set, operators, its control structures

1214

which is conditional construct a) if statement b) switch statement c) while/for d) goto

1225

a construct the"else" part of "if" statement contains anoth "if else" statement is called a) if-else b) else-if-else c) if-else-if-else d) chain if/if-else-if

1152

in multiple branching construct "default" case is a) optional b) compulsarily c) it is not include in this construct d) none of the above

1065

the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above

1261

while loop contains parts a) initialisation, evalution of an expression,increment /decrement b) initialisation, increment/decrement c) condition evalution d) none of the above

1250

the statement while(i) puts the entire logic in loop. this loop is called a) indefinite loop b) definite loop c) loop syntax wrong d) none of the above

1059

exit () is used to a) exit () terminates the execution of the program itself b) exit () terminates the execution of the loop c) exit () terminates the execution of the block d) none of the above

1135

any C program contains only one function, it must be a) void () b) main () c) message () d) abc ()

1133

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Un-Answered Questions { C }

in linking some of os executables are linking name some of them

2146

please give me a VIRTUSA sample palcement papers.... you will only send TECHNICAL SECTION..... that is help for me Advance Thanks........................

2041

What is the size of enum in bytes?

1092

How main function is called in c?

1135

What are different storage class specifiers in c?

1101

What are local static variables?

1163

What is wrong with this declaration?

1113

A global variable when referred to in another file is declared as this a) local variable b) external variable c) constant d) pointers

1211

Explain what is a pragma?

1058

formula to convert 2500mmh2o into m3/hr

1004

What is identifier in c?

1019

What is structure and union in c?

1160

What is a memory leak? How to avoid it?

1358

What is optimization in c?

1033

Explain what does the characters 'r' and 'w' mean when writing programs that will make use of files?

1259

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