NTA-NET (Based on NTA-UGC) Computer Science (Paper-II): Questions 59 - 60 of 2012

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Question number: 59

» Programming in C and C Plus Plus » O-O Programming Concepts » Inheritance, Polymorphism, Abstraction, Encapsulation and Overloading

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Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the following with reference to object oriented modelling: (December)

List-Ⅰ List-Ⅱ

(A)

Polymorphism

(i)

Picking both operator and attributes with operations appropriate to model an object

(B)

Abstraction

(ii)

Create new classes from existing class

(C)

Inheritance

(iii)

Hiding implementation details of methods from users of objects

(D)

Encapsulation

(iv)

Using similar operations to do similar things

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (i)
  • (ii)
  • (iv)

b.

  • (i)
  • (iii)
  • (ii)
  • (iv)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Question number: 60

» Relational Database Design and SQL » SQL » Operations and Clauses

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Appeared in Year: 2015

MCQ▾

Question

Consider the following three tables R, S and T. In this question, all the join operations are natural joins (⨝). (π) is the projection operation of a relation:

Join operations are explained here

Join Operations Are Explained Here

Join operations are explained here

What is the resulting table of

Choices

Choice (4) Response

a.

Possible answers given in the table : Choice A

Possible Answers Given in the Table: Choice A

Possible answers given in the table

b.

Possible answers given in the table : Choice B

Possible Answers Given in the Table: Choice B

Possible answers given in the table

c.

Possible answers given in the table : Choice C

Possible Answers Given in the Table: Choice C

Possible answers given in the table

d.

Possible answers given in the table : Choice D

Possible Answers Given in the Table: Choice D

Possible answers given in the table

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