Data Mining (3160714) MCQs

MCQs of Introduction to data mining (DM)

Showing 1 to 10 out of 24 Questions
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1.

What kinds of data can be mined?

(a)

Database data
(b)

Data Warehouse data
(c)

Transactional data
(d)

All of the above
Answer:

Option (d)

2.

In KDD Process, data are transformed and consolidated into appropriate forms for mining by performing summary or aggregation operations is called as _____

(a)

Data Selection
(b)

Data Transformation
(c)

Data Reduction
(d)

Data Cleaning

 
Answer:

Option (b)

3.

In KDD Process, where data relevant to the analysis task are retrieved from the database means _____

(a)

Data Selection
(b)

Data Collection
(c)

Data Warehouse
(d)

Data Mining
Answer:

Option (a)

4.

Data mining turns a large collection of data into _____

(a)

Database
(b)

Knowledge
(c)

Queries
(d)

Transactions

 
Answer:

Option (b)

5.

_______ is the output of KDD Process.

(a)

Query
(b)

Useful Information
(c)

Metadata
(d)

Data
Answer:

Option (b)

6.

Which are not the part of the KDD process from the following..

(a)

Selection
(b)

Pre-processing
(c)

Reduction
(d)

Summation
Answer:

Option (d)

7.

The _______ is a symbolic representation of facts or ideas from which information can potentially be extracted.

(a)

Knowledge
(b)

Data
(c)

Algorithm
(d)

Program
Answer:

Option (b)

8.

Two fundamental goals of Data Mining are ____& ____.

(a)

Analysis, Description
(b)

Data cleaning, Organizing the data
(c)

Prediction, Description
(d)

Function, Methods
Answer:

Option (c)

9.

_____ is how to uncover knowledge from stream, time-series, sequence, graph, social network & multi-relational data.

(a)

Data Cleaning
(b)

Data Pre-processing
(c)

Data Mining
(d)

Data Visualization
Answer:

Option (c)

10.

_____ are any facts, numbers, images, or text that can be processed by a computer.

(a)

Information
(b)

Data
(c)

Instructions
(d)

Codes
Answer:

Option (b)

Showing 1 to 10 out of 24 Questions
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