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. iostream.h
string.h
conio.h
stdio.h

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

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

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

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

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

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

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

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

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

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