DSA Week 5 Page 1

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Storyboard Text

  • What is a Circular Queue?
  • Operations are based on FIFO (First In First Out) principle.
  • It is a linear data structure
  • First
  • 1
  • 2
  • 3
  • Last
  • It is also called ‘Ring Buffer’.
  • But, the Last position is connected back to the First position to make a circle 
  • 3
  • 1
  • 2
  • When an item is added, it is inserted at the back of the queue
  • 4
  • REAR
  • 3
  • 1
  • 2
  • FRONT
  • The item inserted will now become the REAR
  • REAR
  • 3
  • 4
  • 1
  • 2
  • FRONT
  • The front item is removed first when an item is removed from the queue
  • 3
  • 4
  • 1
  • 2
  • FRONT
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