C++ MCQs with answers Page - 61

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Q. What does STL stand for?

  • (A) Single Type-based Library
  • (B) Static Type Library
  • (C) Standard Template Library
  • (D) Simple Template Library

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Q. What is the difference between overloaded functions and overridden functions?

  • (A) Redefining a function in a friend class is called function overloading while Redefining a function in a derived class is called as overridden function.
  • (B) Overloading is a static or compile-time binding and Overriding is dynamic or run-time binding
  • (C) Redefining a function in a friend class is called function overriding while Redefining a function in a derived class is called an overloaded function.
  • (D) Overloading is a dynamic or run-time binding and Overriding is static or compile-time binding

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Q. Which one of the following is not a valid reserved keyword in C++

  • (A) Private
  • (B) Implicit
  • (C) Public
  • (D) Explicit

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Q. Each pass through a loop is called a/an

  • (A) pass through
  • (B) culmination
  • (C) iteration
  • (D) enumeration

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Q. Which of the following is true about const member functions?

  • (A) nonconst members can be invoked on const objects as well as nonconst objects
  • (B) const members can be invoked on both const as well as nonconst objects
  • (C) Both A and B
  • (D) const members can be invoked only on const objects and not on nonconst objects

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Q. Which of the following relationship is known as inheritancerelationship?

  • (A) ‘has-a’ relationship
  • (B) association relationship
  • (C) ‘is-a’ relationship
  • (D) None of these

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Q. If class A is friend of class B and if class B is friend of class C, which of the following is true?

  • (A) Class C is friend of class A
  • (B) Class A is friend of class C
  • (C) Class A and Class C do not have any friend relationship
  • (D) None of the above

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Q. A direct access file is:

  • (A) A file in which recoreds are arranged in a way they are inserted in a file
  • (B) A file in which records are arranged in a particular order
  • (C) Files which are stored on a direct access storage medium
  • (D) None of the above

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Q. Which of the following is not a component of file system

  • (A) Access method
  • (B) Auxiliary storage management
  • (C) Free integrity mechanism
  • (D) None of the above

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Q. Seek time is

  • (A) time taken to retrieve a dta
  • (B) Time taken by read/write head mechanism to position itself over appropriate cylinder
  • (C) Time taken by appropriate sector to come under read/write
  • (D) None of the above

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