Qualcomm Programming Principles Quiz-1

Question 1

Time: 00:00:00
Which of the following is the functionality of ‘Data Abstraction’?

Reduce Complexity

Reduce Complexity

Binds together code and data

Binds together code and data

Parallelism

Parallelism

None of the mentioned

None of the mentioned

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Question 2

Time: 00:00:00
What is the output of this program?

class Test {
int a;
public int b;
private int c;
}
class AcessTest {
public static void main(String args[])
{
Test ob = new Test();
ob.a = 10;
ob.b = 20;
ob.c = 30;
System.out.println(" Output :a, b, and c" + ob.a + " " + ob.b + " " + ob.c);
}
}

Compilation error

Compilation error

Run time error

Run time error

Output : a, b and c 10 20 30

Output : a, b and c 10 20 30

None of the mentioned

None of the mentioned

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PrepInsta User

ob.a is for keyboard input not static input

Question 3

Time: 00:00:00
Which Keyword from the following is used to inherit properties from one class into another?

extends

extends

subclasses

subclasses

native

native

all of the mentioned

all of the mentioned

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Question 4

Time: 00:00:00
Which of the following concept is often expressed by the phrase, ‘One interface, multiple methods’?

Abstraction

Abstraction

Polymorphism

Polymorphism

Inheritance

Inheritance

Encapsulation

Encapsulation

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Question 5

Time: 00:00:00
Which of the following ways are legal to access a class data member using this pointer?

this->x

this->x

this.x

this.x

*this.x

*this.x

*this-x

*this-x

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Question 6

Time: 00:00:00
How many instances of an abstract class can be created?

1

1

5

5

13

13

zero

zero

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we cant make an object of abstract class.

Question 7

Time: 00:00:00
Which of the following concept of oops allows the compiler to insert arguments in a function call if it is not specified?

Call by value

Call by value

Call by reference

Call by reference

Default arguments

Default arguments

Call by pointer

Call by pointer

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Question 8

Time: 00:00:00
Which of the following term is used for a function defined inside a class?

Member Variable

Member Variable

Member function

Member function

Class function

Class function

Classic function

Classic function

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Question 9

Time: 00:00:00
Which of the following concepts of OOPS means exposing only necessary information to client?

Encapsulation

Encapsulation

Abstraction

Abstraction

Data hiding

Data hiding

Data binding

Data binding

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Question 10

Time: 00:00:00
Which of the following operator is overloaded for object cout?

>>

>>

<<

<<

+

+

=

=

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]
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June 24, 2019