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

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

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3. Which of the following has a global scope in the program? Constants
Formal parameters
Local variables
Macros

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4. ________ form a base of any C program. Struct
All of them
Instruction
Code of block

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

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

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

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

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

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

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