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 statements about functions is false? Functions cannot return more than one value at a time
A function can have multiple return statements with different return values
The maximum number of arguments a function can take is 128
The main() function can be called recursively

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

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

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

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

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

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

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

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

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

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