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

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

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

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4. What is the range of double data type for a 16-bit compiler? -1.7e-328 to +1.7e-328
-1.7e-328 to +1.7e-328
-1.7e-308 to +1.7e-308
-1.7e-348 to +1.7e-348

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

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

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

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

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

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

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