Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. which of the following function can be used to deallocated memory when it is no longer needed? Calloc()
Malloc()
Free()
None of these

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2. Which operator is used to check if a particular bit is on or off? !
%
&
||

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3. Which of the following functions can be used to increase the size of dynamically allocated array? memadjust()
realloc()
malloc()
calloc()

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4. To use strcat() function, the ________ header file must be included in the program. string.h
stdio.h
iostream.h
conio.h

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5. What is the default return type of a function? void
char
int
float

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6. Which of the following is not a reserved word in C langauge? switch
do
goto
for

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7. Calling one function from within another is said to be __________ of function calls. Inner
Outer
Nesting
None of them

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8. Which function would you use to convert 1.98 to 1? abs()
fabs()
ceil()
floor()

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9. Pointers can be used to achieve? call by function
call by name
call by procedure
call by reference

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10. Every C program has access to which of the following files? all of the above
stdin
stderr
stdout

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