Stack,Queue,CQ

Which of these best describes an array?

• A data structure that shows a hierarchical behavior

• Container of objects of similar types

• Arrays are immutable once initialised

• Array is not a data structure

What are the advantages of arrays?

• Objects of mixed data types can be stored

• Elements in an array cannot be sorted

• Index of first element of an array is 1

• Easier to store elements of same data type

Elements in an array are accessed _____________

• randomly

• sequentially

• expoinentially

• logarithmcally

Process of inserting an element in stack is called ____________

• create

• push

• evaluation

• pop

Process of removing an element from stack is called __________

• create

• push

• evaluation

• pop

Pushing an element into stack already having five elements and stack size of 5, then stack becomes ___________

• overflow

• crash

• underflow

• user flow

Entries in a stack are “ordered”. What is the meaning of this statement?

• A collection of stacks is sortable

• Stack entries may be compared with the ‘<‘ operation

• The entries are stored in a linked list

• There is a Sequential entry that is one by one

Which data structure is used for implementing recursion?

• queue

• array

• list

• stack

If the elements “A”, “B”, “C” and “D” are placed in a stack and are deleted one at a time, what is the order of removal?

• ABCD

• DCBA

• DCAB

• ABDC

Circular Queue is ________ data structure.

• linear

• non-linear

• both linear and non-linear

• none