Data Structure Basics Questions

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21.

The OS of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called

A

Concatenation

B

Garbage collection

C

Collision

D

Dynamic Memory Allocation

Correct Answer: B

None.

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22.

A linear list of elements in which deletion can be done from one end (front) and insertion can take place only at the other end (rear) is known as a

A

queue

B

stack

C

tree

D

linked list

Correct Answer: A

None.

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23.

___________ is neither an algorithm nor a program.

A

Computing

B

Pseudo code

C

Computer science

D

None of the above

Correct Answer: B

None.

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24.

The concepts in programming languages are essential knowledge to anyone who wants to become skilled in_________________.

A

Computer programming

B

Data structures

C

Decoding

D

None of the above

Correct Answer: A

None.

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25.

Which model is used to organize data in the main memory is called data structure?

A

Logical

B

Mathematical

C

Debugging

D

All of the above

Correct Answer: D

None.

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26.

A ________is a linear list of data elements in which the addition of a new element or the deletion of an element occurs only at one end.

A

Top

B

Push and pop

C

Stack

D

None of the above

Correct Answer: C

None.

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27.

The hierarchical relationship between data elements can be easily represented using a nonlinear data structure called_______.

A

Tree

B

Root node

C

Child nodes

D

None of the above

Correct Answer: A

None.

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28.

What is the process of finding the location of a given data element in the data structure called?

A

Deletion

B

Insertion

C

Traversing

D

Searching

Correct Answer: D

None.

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29.

What plays an important role in programming?

A

Data

B

Computer

C

Information

D

None of the above

Correct Answer: A

None.

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30.

Data must be represented, organized, stored, processed and managed in a way that facilitates_________.

A

Easy access

B

Retrieval

C

Both (a) and (b)

D

Withdrawal

Correct Answer: C

None.

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