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

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

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3. A variable declared with ____ modifier can retain its value during function calls. volatile
const
extern
static

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

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

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

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

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8. What is the range of double data type for a 16-bit compiler? -1.7e-328 to +1.7e-328
-1.7e-308 to +1.7e-308
-1.7e-328 to +1.7e-328
-1.7e-348 to +1.7e-348

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

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

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