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

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

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

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

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5. which of the following function can be used to deallocated memory when it is no longer needed? None of these
Free()
Calloc()
Malloc()

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

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

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

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

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

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