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 has a global scope in the program? Constants
Local variables
Formal parameters
Macros

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2. Pointers can be used to achieve? call by function
call by name
call by reference
call by procedure

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

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

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

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

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

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

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

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

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

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

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

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

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16. Which of the following is not a reserved word in C langauge? for
switch
goto
do

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

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

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

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

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