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

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

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3. Which of the following is not a storage class? Register
Static
Extern
Auto

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

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5. How much memory is required to store a value of type double? 10 bytes
6 bytes
8 bytes
4 bytes

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6. A __________ group together a number of data items, which need not be of the same data type. Array
Block
Variable
Structure

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

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

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9. What is the length null string? 3
0
4
1

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

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