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Dear Students!

       Please note that QUIZ-4 of CS614 will be launched on 11th of August, 2014 (11-August-2014) and will include Lectures No. 34 to 38.

QUIZ will last for 48 hours only and no alternate or offline will be provided once it is missed, so try to attempt QUIZ at your earliest.

For any query: CS614@vu.edu.pk

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Instructor CS614

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Mine Today Quiz

CS614_12.06.2014

1_Data warehousing and on-line analytical processing (OLAP) are _______ elements of decision support system.

 

Unusual

Essential

Optional

None of the given

 

2_ The automated, prospective analyses offered by data mining move beyond the analysis of past events provided by respective tools typical of ___________.

OLTP 

OLAP

Decision Support systems

None of these

 

3_ Pre-computed _______ can solve performance problems

Aggregates 

Facts

Dimensions

 

4_ If someone told you that he had a good model to predict customer usage, the first thing you might try would be to ask him to apply his model to your customer _______, where you already knew the answer.

Base

Drive

File 

Log

 

5_ Data mining uses _________ algorithms to discover patterns and regularities in data.

Mathematical

Computational

Statistical

None of these

 

6_  ________ is the technique in which existing heterogeneous segments are reshuffled, relocated into homogeneous segments.
Select correct option:
Clustering
Aggregation
Segmentation
Partitioning

 

7_ A dense index, if fits into memory, costs only ______ disk I/O access to locate a record by given key.
Select correct option:
One


Two
Linear
Quadratic

 

8_ Data mining derives its name from the similarities between searching for valuable business information in a large database, for example, finding linked products in gigabytes of store scanner data, and mining a mountain for a _________ of valuable ore.

Furrow

Streak

Trough

Vein

 

9_ Data mining evolve as a mechanism to cater the limitations of ________ systems to deal massive data sets with high dimensionality, new data types, multiple heterogeneous data resources etc.

OLTP        

OLAP

DSS

DWH


10_ If some error occurs, execution will be terminated abnormally and all transactions will be rolled back. In this case when we will access the database we will find it in the state that was before the ____________.


Execution of package
Creation of package
Connection of package

Ye tru June k Hn quiz

Quz no: 7 data set has large nu. Of attribute 1st option ..... ans

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