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This set of Data Structure DS Multiple Choice Questions & Answers (MCQs) focuses on Data Structure Set 6

Q1 | Stack is ____ type of data structure.
  • lifo
  • fifo
  • both a & b
  • none of these
Q2 | In stack deletion operation is referred as _____
  • push
  • pop
  • peek
  • none of these
Q3 | Queue is _____ type of data structure.
  • lifo
  • fifo
  • both a & b
  • none of these
Q4 | Data structre is divided into _____ parts.
  • 4
  • 3
  • 2
  • 1
Q5 | In ___ Data Structure data can be processed one by one sequentially
  • array
  • linked list
  • tree
  • none of these
Q6 | When we insert an element in Queue, which pointer is increased by one?
  • front
  • rear
  • both a & b
  • none of these
Q7 | Which of the following is not the possible operation on stack?
  • push
  • pop
  • display
  • enqueue
Q8 | Which of the following is a possible operation on queue?
  • push
  • pop
  • display
  • enqueue
Q9 | In stack, to display the lastly inserted element without removing it, which function is used?
  • push
  • pop
  • display
  • peek
Q10 | if there are no nodes in linked list then start pointer will point at which value?
  • Nothing
  • garbage
  • 1
  • 2
Q11 | Worst space complexity of queue data structure is
  • o(n)
  • o(log(n))
  • o(1)
  • n/a
Q12 | Worst space complexity of stack data structure is
  • o(log(n))
  • o(1)
  • n/a
  • o(n)
Q13 | Worst space complexity of singly linked list is
  • o(n)
  • o(1)
  • o(log(n))
  • n/a