Aptitude - Programming Language

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By Team Innovation Instigators

Email *

Record my email address with my response

11. Which of the following functions is used to get the length of a string in PHP? *

a. strlen()

b. length()

c. size()

d. count()

23. class Main {
public static void main(String args[]) {
System.out.println(fun());
}

int fun()
{
return 20;
}
}
what is the output of the above code
*

a. 20

b. compiler error

c. 0

d. garbage value

31. What is the purpose of the def keyword?
*

a. Defines a variable

b. Imports a module

c. Checks the equality of two values

d. Declares a function

40. What is the key characteristic of a tuple?
*

a. Mutable

b. Ordered

c. Dynamic

d. Indexed

32. Which keyword is used to skip the rest of the code in the current iteration of a loop and move to the next iteration? *

a. continue

b. pass

c. skip

d. next

39. Which of the following function is more appropriate for reading in a multi-word string?
*

a. printf();

b. scanf();

c. puts();

d. gets();

19. Which of the following is true for a circular queue?
*

a. Front and rear are always at the beginning.

b. It can be implemented using a linked list.

c. It can handle overflow in a better way than a linear queue.

d. Both B and C

37. Which two are valid constructors for Thread?
1.Thread(Runnable r, String name)
2.Thread()
3.Thread(int priority)
4.Thread(Runnable r, ThreadGroup g)
5.Thread(Runnable r, int priority) *

a. 1 and 3

b. 2 and 4

c. 1 and 2

d. 2 and 5

9. Which of the following is the correct way to define a function in PHP?
*

a. function myFunction() {}

b. def myFunction() {}

c. func myFunction() {}

d. function: myFunction() {}

Enter your name? *

15. What is the result of the following Python expression?
python
print(10 // 3)
*

a. 3.33

b. 3

c. 10

d. 3.0

28. How many times the program will print "Innovation Instigators" ?
#include<stdio.h>

int main()
{
printf("Innovation Instigators");
main();
return 0;
}
*

a. Infinite times

b. 32767 times

c. 65535 times

d. Till stack overflows

33. Which loop in Python is used for iterating over a sequence until a specified condition is False?
*

a. for loop

b. if loop

c. do-while loop

d. while loop

27. Which of the following is the correct usage of conditional operators used in C?
*

a. a>b ? c=30 : c=40;

b. a>b ? c=30;

c. max = a>b ? a>c?a:c:b>c?b:c

d. return (a>b)?(a:b)

29. What is stderr ?
*

a. standard error

b. standard error types

c. standard error streams

d. standard error definitions

8. What will be the output of the following code?

#include<stdio.h>
int main(){
printf("%d", 5/2);
return 0;
}
*

a. 2.5

b. 2

c. 2.0

d. Compilation error

Enter e-mail *

3. Number of primitive data types in Java are ?
*

a. 6

b. 7

c. 8

d. 9

2. What is the use of final keyword in Java?
*

a. When a class is made final, a subclass of it can not be created.

b. When a method is final, it can not be overridden.

c. When a variable is final, it can be assigned value only once.

d. All of the above

26.Which of the following is the correct order of evaluation for the below expression?
z = x + y * z / 4 % 2 - 1

*

a. * / % + - =

b. = * / % + -

c. / * % - + =

d. * % / - + =

17. In C++, which of the following operators is used to allocate memory dynamically?
*

a. new

b. malloc()

c. calloc()

d. alloc()

\ 1. Linear search is also called
*

a. Random Search

b. Sequential search

c. Perfect search

d. None

22. class Test {
int i;
}
class Main {
public static void main(String args[]) {
Test t;
System.out.println(t.i);
}

*

a. 0

b. garbage value

c. compiler error

d. runtime error

13. Which of the following is NOT a type of linked list? *

a. Singly Linked List

b. Doubly Linked List

c. Circular Linked List

d. Array Linked List

5. When is the object created with new keyword?
*

a. At run time

b. At compile time

c. Depends on the code

d. none

14. What does the following Python code do?
python
x = "Python"
print(x[0:3]) *

a. Prints "Py"

b. Prints "Pyt"

c. Prints "thon"

d. Error

12. In a binary tree, what is the maximum number of nodes at level l?
*

a. l

b. 2^l

c. 2l

d. l^2

10. What is the result of the following code?

int a = 10;
a++;
printf("%d", a);
*

a. 9

b. 10

c. 11

d. Compilation error

18. Which of the following algorithms is used to find the shortest path in a graph?
*

a. Depth First Search (DFS)

b. Breadth First Search (BFS)

c. Dijkstra's Algorithm

d. Kruskal's Algorithm

30. Which header file should be included to use functions like malloc() and calloc()? *

a. memory.h

b. stdlib.h

c. string.h

d. dos.h

16. In C, which header file is required to use malloc()?
*

a. stdlib.h

b. stdio.h

c. math.h

d. string.h

25. In which numbering system can the binary number 1011011111000101 be easily converted to? *

a. Decimal system

b. Hexadecimal system

c. Octal system

d. No need to convert

6. Who invented C++?
*

a. Dennis Ritchie

b. Ken Thompson

c. Brian Kernighan

d. Bjarne Stroustrup

36. What is the name of the method used to start a thread execution? *

a. init();

b. start();

c. run();

d. resume();

21. #include <stdio.h>

int main() {
int i;
if (printf("0"))
i = 3;
else
i = 5;
printf("%d", i);
return 0;
}
What is the output of above program?
*

a. 3

b. 5

c. 03

d. 05

24. #include <stdio.h>

int main()
{
int i;

i = 1, 2, 3;
printf("%d", i);

return 0;
}

*

a. 1

b. 3

c. Garbage value

d. Compile error

38. Which of the following function is used to find the first occurrence of a given string in another string? *

a. strstr()

b. strchr()

c. strrchr()

d. strnset()

7. Which of the following is the correct syntax of including a user defined header files in C++?
*

a #include [userdefined]

b. #include “userdefined”

c. #include <userdefined.h>

d. #include <userdefined>

35. Which of the following is a correct way to iterate over a list in reverse order?
*

a. for item in reversed(my_list):

b. for item in my_list.reverse():

c. for item in reverse(my_list):

d. for item in my_list[::-1]:

34. What does the range function return when used with two arguments, start and stop?
*

a. A sequence from start to stop (exclusive)

b. A sequence from start to stop (inclusive)

c. A sequence of even numbers from start to stop

d. A reversed sequence from start to stop (inclusive)

4. When an array is passed to a method, what does the method receive?
*

a. The reference of the array

b. A copy of the array

c. Length of the array

d. Copy of first element

20.#include <stdio.h>
#define PRINT(i, limit) do
{
if (i++ < limit)
{
printf("Innovation instigators\\n");
continue;
}
}while(0);

int main()
{
int i = 0;
PRINT(i, 3);
return 0;
}

How many times Innovation instigators is printed in the above program ?
*

a. 1

b. 3

c. 4

d. Compiler error

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