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

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

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

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

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

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6. Who developed C languages? Dennis Ritchie
peter Norton
Von Neuman
Ken Thomson

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

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

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

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

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