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. iostream.h
stdio.h
conio.h
string.h

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

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

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

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

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

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

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

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

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

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