Multiple Choice Questions On Data Structure | UGC NET Exam 2012 Sample

1)What is Data Structure ?

1. Way to organize data
2. Accessing of data elements in specified manner
3. Organization of mathematical and logical concepts
4. All of Above

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Answer = D 
Explanation:A Data Structure may be organized in different ways : The logical or mathematical model of a particular organization of data is called Data Structure.

2) Which operation is not possible on Data Structure ?

1. Traversing
2. Insertion
3. Reading
4. Deletion

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Answer = C 
Explanation:Possible operations on the Data Structure are Traversing, Insertion, Searching and Deletion.

3) The memory address of the first element is called ?

1. Floor Address
2. Foundation Address
3. First Address
4. Base Address

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Answer = D 
Explanation:The memory address of the first element is often called base address in Data Structure.

4) The value of first linked list address is ?

1. 0
2. -1
3. 1
4. None of Above

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Answer = 0 
Explanation: No explanation for this question.

5) Two dimensional arrays are also called ?

1. Matrix Array
2. Table Array
3. Both a and b
4. None of the Above

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Answer = C 
Explanation:Two dimensional arrays are called as matrix array and table arrays because they contains rows and columns.

6) The situation in linked list START=NULL is called ?

1. Overflow
2. Underflow
3. Both of above
4. None of Above

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Answer = B 
Explanation:It is the situation when we are trying to delete an item from the empty linked list.

7) Length of the linear array can be found by using the formula ?

1. UB - LB + 1
2. LB + UB
3. LB - UB
4. LB - UB + 1

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Answer = A 
Explanation:The length of linear array can be found by using UB - LB + 1 Where UB is upper Bound, LB is Lower Bound of the array.

8) The restriction while using the binary search is ?

1. List should be small in number
2. List should be large in number
3. List should be sorted
4. No restriction

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Answer = C 
Explanation: Binary search can be applied to a list only if the list is  either in ascending or descending order.

9) The terms PUSH and POP are related to ?

1. Arrays
2. Stacks
3. Linked List
4. None

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Answer = B 
Explanation:PUSH is used for inserting an element into the stack and POP is used for deleting an elements from the stack.

10) The operation of processing element is called ?

1. Traversing
2. Inserting
3. Deleting
4. Searching

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Answer = A
Explanation:Traversing means visiting or processing each element exactly once.

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