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Data Structure MCQ Question with Answer

Data Structure MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 50
Each data item in a record may be a group item composed of sub-items; those items which are indecomposable are called

elementary items
atoms
scalars
all of above
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Question No : 51
Which of the following is two way list?

grounded header list
circular header list
linked list with header and trailer nodes
none of above
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Question No : 52
Which of the following statement is false?

Arrays are dense lists and static data structure
data elements in linked list need not be stored in adjacent space in memory
pointers store the next data element of a list
linked lists are collection of the nodes that contain information part and next pointer
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Question No : 53
When inorder traversing a tree resulted E A C K F H D B G; the preorder traversal would return

FAEKCDBHG
FAEKCDHGB
EAFKHDCBG
FEAKDCHBG
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Question No : 54
The memory address of the first element of an array is called

floor address
foundation address
first address
base address
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Question No : 55
The difference between linear array and a record is

An array is suitable for homogeneous data but the data items in a record may have different data type
In a record, there may not be a natural ordering in opposed to linear array.
A record form a hierarchical structure but a linear array does not
All of above
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Question No : 56
Which of the following name does not relate to stacks?

FIFO lists
LIFO list
Piles
Push-down lists
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