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Question 83Asked in BPSC TRE 2.0 (2023) Computer Class 9-10

What is abstract class in C++?

  1. AAny class in C++ is an abstract class/Class from which any class is derived
  2. BClass specifically used as a base class with at least one virtual function
  3. CClass specifically used as a base class with at least one pure virtual function
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (C) Class specifically used as a base class with at least one pure virtual function

Explanation

An abstract class is a base class that has at least one pure virtual function, so it cannot be instantiated.

From BPSC TRE 2.0 (2023) Computer Class 9-10 — Previous Year Paper

This is question 83 of BPSC TRE 2.0 (2023) Computer Class 9-10 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.