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What are the minimum number of queues needed to implement the priority queue?

  • One
  • Two
  • Three
  • Four

Answer: Option B

Explanation:

One queue is used for the actual storing of data, and the other one is used for storing the priorities.

Similar Questions :

1. Which data structure is needed to convert infix notations to postfix notations

  • linear list
  • tree
  • stack
  • queue

Answer: Option C

2. The complexity of Bubble sort algorithm is

  • O(n)
  • O(log n)
  • O(n2)
  • O(n log n)

Answer: Option C

3. Which is problem oriented language

  • BASIC
  • PL/I
  • FORTRAN
  • none of above

Answer: Option D

4. What are the minimum number of queues needed to implement the priority queue?

  • One
  • Two
  • Three
  • Four

Answer: Option B

Explanation:

One queue is used for the actual storing of data, and the other one is used for storing the priorities.

5. Recursive problems are implemented by

  • queues
  • stacks
  • linked lists
  • strings

Answer: Option B

Read more from - Data Structure Questions Answers - Chapter 1
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