GAIL (India) Ltd. Sample Programming Placement Paper Level1

7/29/2019 GAIL (India) Ltd. Sample Programming Placement Paper Level1

1/12

Visitwww.latestoffcampus.com for placement papers, interview tips & job updates. Toget

freeupdates tomailhttp://groups.google.com/group/latestoffcampus/subscribeLive updates on

Facebook @www.facebook.com/LatestOffCampus




TITLE: GAIL (India) Ltd. Sample Programming Placement Paper Level1

(Bolded option is your answer)

1._______special symbol allowed in a variable name?

A_ (underscore)

2. Identify which of the following are declarations

1 :extern int x;

2 :float square ( float x ) { ... }

3 :double pow(double, double);

A 1 and 3

3. What will you do to treat the constant 3.14 as a long double?

A use 3.14L

4. A float occupies 4 bytes. If the hexadecimal equivalent of these 4

bytes are A, B, C and D, then when this float is stored in memory in

which of the following order do these bytes gets stored?

A Depends on big endian or little endian architecture

5. How many bytes are occupied by near, far and huge pointers (DOS)?

A near=2 far=4 huge=4

6. A pointer is
http://www.latestoffcampus.com/http://www.latestoffcampus.com/http://www.latestoffcampus.com/http://groups.google.com/group/latestoffcampus/subscribehttp://groups.google.com/group/latestoffcampus/subscribehttp://groups.google.com/group/latestoffcampus/subscribehttp://www.facebook.com/LatestOffCampushttp://www.facebook.com/LatestOffCampushttp://www.facebook.com/LatestOffCampushttp://www.latestoffcampus.com/http://www.latestoffcampus.com/http://www.latestoffcampus.com/http://groups.google.com/group/latestoffcampus/subscribehttp://groups.google.com/group/latestoffcampus/subscribehttp://groups.google.com/group/latestoffcampus/subscribehttp://www.facebook.com/LatestOffCampushttp://www.facebook.com/LatestOffCampushttp://www.facebook.com/LatestOffCampushttp://www.facebook.com/LatestOffCampushttp://groups.google.com/group/latestoffcampus/subscribehttp://www.latestoffcampus.com/http://www.facebook.com/LatestOffCampushttp://groups.google.com/group/latestoffcampus/subscribehttp://www.latestoffcampus.com/


2/12







A A variable that stores address of other variable

7. What is the similarity between a structure, union and enumeration?

A All of them let you define new data types

8. Which bitwise operator is suitable for checking whether a particular

bit is on or off?

A & operator

9. Specify the 2 library functions to dynamically allocate memory?

A malloc() and calloc()

10. Which standard library function will you use to find the last

occurance of a character in a string in C?

A strrchr()

11. How many times the while loop will get executed if a short int is 2

byte wide?

#include

int main()

{

int j=1;

while(j


3/12







return 0;

}

A 255 times

12. How many times the program will print "IndiaBIX" ?

#include

int main()

{

printf("IndiaBIX");

main();return 0;

}

A Till stack overflows

13. What does the following declaration mean?

int (*ptr)[10];

A ptr is a pointer to an array of 10 integers

14. What is the purpose of "rb" in fopen() function used below in the

code?

FILE *fp;

fp = fopen("source.txt", "rb");

A open "source.txt" in binary mode for reading

15. To scan a and b given below, which of the following scanf()

statement will you use?

#include

float a;


4/12







double b;

A scanf("%f %lf", &a, &b);

16. ________program?

#include

int main()

{

typedef char (*(*arrfptr[3])())[10];

arrfptr x;return 0;

}

A x is an array of three function pointers

17. What will be the output of the program?

#include

#include

void fun1(int num, ...);

void fun2(int num, ...);

int main()

{

fun1(1, "Apple", "Boys", "Cats", "Dogs");

fun2(2, 12, 13, 14);

return 0;}

void fun1(int num, ...)

{

char *str;

va_list ptr;


5/12







va_start(ptr, num);

str = va_arg(ptr, char *);

printf("%s ", str);

}

void fun2(int num, ...)

{

va_list ptr;

va_start(ptr, num);

num = va_arg(ptr, int);

printf("%d", num);

}A Apple 12

18. _________order if calling functions in the below code?

a = f1(23, 14) * f2(12/4) + f3();

A Order may vary from compiler to compiler

19. In which stage the following code

#include

gets replaced by the contents of the file stdio.h

A During preprocessing

20. _______finds the length of a string?

A int xstrlen(char *s)

{int length=0;

while(*s!='\0')

{ length++; s++; }

return (length);


6/12







}

21. According to ANSI specifications which is the correct way ofdeclaring main when it receives command-line arguments?

A int main(int argc, char *argv[])


#include

#include

union employee

{

char name[15];

int age;

float salary;

};

const union employee e1;

int main()

{

strcpy(e1.name, "K");

printf("%s %d %f", e1.name, e1.age, e1.salary);

return 0;

}

A No error

23. ________declaration signify?

char *arr[10];

A arr is a array of 10 character pointers.


7/12







24. __________declaration signify?

char *scr;

A scr is a pointer to char.

25. __________approach is adapted by C++?

A Bottom-up

26. __________is correct about the statements given below?

1.All operators can be overloaded in C++.

2.We can change the basic meaning of an operator in C++.

A Both I and II are false.

27. ________is incorrect?

A main() cannot be declared as member function of any class.

28. Constructor is executed when _____.

A an object is created

29. __________is correct about the program given below?

class Bix

{

public:static void MyFunction();

};

int main()

{


8/12







void(*ptr)() = &Bix::MyFunction;

return 0;

}

A The program reports linker error.

30. ________function / types of function cannot have default

parameters?

A main()

31. If the copy constructor receives its arguments by value, the copy

constructor would

A call itself recursively

32. Which of the following statements is correct?

1.An array of references is acceptable.

2.We can also create a reference to a reference.

A Both 1 and 2 are incorrect.

33. _______are NOT performed by Garbage Collector?

1.Freeing memory on the stack.

2.Avoiding memory leaks.

3.Freeing memory occupied by unreferenced objects.

4.Closing unclosed database collections.

5.Closing unclosed files.

A 1, 4, 5

34. What will be the output of the C#.NET code snippet given below?

int num = 1, z = 5;

if (!(num


9/12







Console.WriteLine( ++num + z++ + " " + ++z );

else

Console.WriteLine( --num + z-- + " " + --z );

A 7 7

35. __________statements are correct about the C#.NET code snippet

given below?

class Sample

{

static int i;

int j;public void proc1()

{

i = 11;

j = 22;

}

public static void proc2()

{

i = 1;j = 2;

}

static Sample()

{

i = 0;

j = 0;

}

}

A proc1() can initialize i as well as j.

36. ________is the correct way to find out the index of the second 's' in

the string "She sells sea shells on the sea-shore"?


10/12







A String str = "She sells sea shells on the sea-shore";

int i, j;

i = str.IndexOf("s");

j = str.IndexOf("s", i + 1);

37. An Account class has a property called accountNo and acc is a

reference to a bank object and we want the C#.NET code snippet given

below to work. Which of the following options will ensure this

functionality?

A Declare accountNo property with both get and set accessors.

38. Which constructs an anonymous inner class instance?

A System.out.println(new Runnable() {public void run() { }});


public class Test

{

public static void aMethod() throws Exception

{

try /* Line 5 */

{

throw new Exception(); /* Line 7 */

}

finally /* Line 9 */

{System.out.print("finally "); /* Line 11 */

}

}

public static void main(String args[])

{


11/12







try

{

aMethod();

}

catch (Exception e) /* Line 20 */

{

System.out.print("exception ");

}

System.out.print("finished"); /* Line 24 */

}

}A finally exception finished

40. class Test

{

private Demo d;

void start()

{

d = new Demo();this.takeDemo(d); /* Line 7 */

} /* Line 8 */

void takeDemo(Demo demo)

{

demo = null;

demo = new Demo();

}

}When is the Demo object eligible for garbage collection?

A When the instance running this code is made eligible for garbage

collection.


12/12







Date post:	04-Apr-2018
Category:	Documents
Upload:	placementpapersample
View:	222 times
Download:	0 times

GAIL (India) Ltd. Sample Programming Placement Paper Level1

Documents