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

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

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

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

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

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

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

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

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

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

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