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. conio.h
math.h
string.h
stdio.h

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

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

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4. A __________ group together a number of data items, which need not be of the same data type. Structure
Block
Array
Variable

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

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

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

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

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

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