Explore topic-wise MCQs in Current Affairs.

This section includes 3246 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

901.

NLP stands for____________.

A. Non Language Process
B. Nature Level Program
C. Natural Language Page
D. Natural Language Processing
Answer» E.
902.

The a priori frequent itemset discovery algorithm moves in the lattice

A. Upward
B. Downward
C. Breadthwise
D. Both upward and downward
Answer» B. Downward
903.

__________is an example of application development environments.

A. Visual Basic
B. Oracle
C. Sybase
D. SQL Server
Answer» B. Oracle
904.

The first phase of A Priori algorithm is___________

A. Candidate generation
B. Itemset generation
C. Pruning
D. Partitioning
Answer» B. Itemset generation
905.

Pick out a hierarchical clustering algorithm

A. DBSCAN
B. BIRCH
C. PAM
D. CURE
Answer» B. BIRCH
906.

Which of the following is a data set in the popular UCI machine-learning repository?

A. CLARA.
B. CACTUS.
C. STIRR.
D. MUSHROOM
Answer» E.
907.

_________is the specialized data warehouse database.

A. Oracle
B. DBZ
C. Informix
D. Redbrick
Answer» E.
908.

ROI is an acronym of _______.

A. Return on Investment
B. Return on Information
C. Repetition of Information
D. Runtime of Instruction
Answer» B. Return on Information
909.

is a complex chemical process in neural networks.

A. Receiving process
B. Sending process
C. Transmission process
D. Switching process
Answer» D. Switching process
910.

SOMs are used to cluster a specific dataset containing information about the patient’sdrugs etc.

A. Physical
B. Logical
C. Medical
D. Technical
Answer» D. Technical
911.

Query tool is meant for_________.

A. Data acquisition
B. Information delivery
C. Information exchange
D. Communication
Answer» B. Information delivery
912.

____________ consists of formal definitions, such as a COBOL layout or a database schema.

A. Classical metadata
B. Transformation metadata
C. Historical metadata
D. Structural metadata
Answer» B. Transformation metadata
913.

____________is the goal of data mining.

A. To explain some observed event or condition
B. To confirm that data exists
C. To analyze data for expected relationships
D. To create a new data warehouse
Answer» B. To confirm that data exists
914.

The item sets that have completed on full pass move from dashed circle to________

A. Dashed box
B. Solid circle
C. Solid box
D. None of the above
Answer» C. Solid box
915.

In web mining, is used to know the order in which URLs tend to be accessed.

A. clustering
B. associations
C. sequential analysis
D. classification
Answer» D. classification
916.

The time horizon in Data warehouse is usually__________.

A. 1-2 years
B. 3-4years
C. 5-6 years
D. 5-10 years
Answer» E.
917.

A fact is said to be partially additive if_______.

A. It is additive over every dimension of its dimensionality
B. Additive over at least one but not all of the dimensions
C. Not additive over any dimension
D. None of the above
Answer» C. Not additive over any dimension
918.

Dynamic Itemset Counting Algorithm was proposed by

A. Bin et al
B. Argawal et at
C. Toda et al
D. Simon et at
Answer» B. Argawal et at
919.

BIRCH is a________

A. Agglomerative clustering algorithm
B. Hierarchical algorithm
C. Hierarchical-agglomerative algorithm
D. Divisive
Answer» D. Divisive
920.

Describing some characteristics of a set of data by a general model is viewed as___________.

A. Induction.
B. Compression
C. Approximation
D. Summarization
Answer» C. Approximation
921.

Extreme values that occur infrequently are called as___________.

A. Outliers
B. Rare values
C. Dimensionality reduction
D. All of the above
Answer» B. Rare values
922.

Multidimensional database is otherwise known as___________.

A. RDBMS
B. DBMS
C. EXTENDED RDBMS
D. EXTENDED DBMS
Answer» C. EXTENDED RDBMS
923.

The data is stored, retrieved & updated in___________.

A. OLAP
B. OLTP
C. SMTP
D. FTP
Answer» C. SMTP
924.

Record cannot be updated in__________.

A. OLTP
B. Files
C. RDBMS
D. data warehouse
Answer» E.
925.

The technology area associated with CRM is__________.

A. Specialization
B. Generalization
C. Personalization
D. Summarization
Answer» D. Summarization
926.

Design involves deciding on their centers and the sharpness of their Gaussians.

A. DR
B. AND
C. XOR
D. RBF
Answer» E.
927.

The output of KDD is ______.

A. Data
B. Information
C. Query
D. Useful information
Answer» E.
928.

____________is data about data.

A. Metadata
B. Microdata
C. Minidata
D. Multidata
Answer» B. Microdata
929.

Which of the following is not a data mining metric?

A. Space complexity
B. Time complexity
C. ROI
D. All of the above
Answer» E.
930.

clustering technique start with as many clusters as there are records, with eachcluster having only one record

A. Agglomerative
B. Divisive
C. Partition
D. Numeric
Answer» B. Divisive
931.

______ is a the input to KDD.

A. Data
B. Information
C. Query
D. Process
Answer» B. Information
932.

_____________is an important functional component of the metadata.

A. Digital directory
B. Repository
C. Information directory
D. Data dictionary
Answer» D. Data dictionary
933.

EIS stands for____________.

A. Extended interface system
B. Executive interface system
C. Executive information system
D. Extendable information system
Answer» D. Extendable information system
934.

Data that are not of interest to the data mining task is called as _____.

A. Missing data
B. Changing data
C. Irrelevant data
D. Noisy data
Answer» D. Noisy data
935.

Which of the following is a predictive model?

A. Clustering
B. Regression
C. Summarization
D. Association rules
Answer» C. Summarization
936.

________ Databases are owned by particular departments or business groups.

A. Informational
B. Operational
C. Both informational and operational
D. Flat
Answer» C. Both informational and operational
937.

In web mining, is used to find natural groupings of users, pages, etc.

A. Clustering
B. Associations
C. Sequential analysis
D. Classification
Answer» B. Associations
938.

The ______of data could result in the disclosure of information that is deemed to beconfidential.

A. Authorized use
B. Unauthorized use
C. Authenticated use
D. Unauthenticated use
Answer» C. Authenticated use
939.

The granularity of the fact is the ___________ of detail at which it is recorded.

A. Transformation
B. Summarization
C. Level
D. Tr
Answer» B. Summarization
940.

The goal of________is to discover both the dense and sparse regions of a data set

A. Association rule
B. Classification
C. Clustering
D. Genetic Algorithm
Answer» D. Genetic Algorithm
941.

If T consist of 500000 transactions, 20000 transaction contain bread, 30000 transaction contain jam, 10000 transaction contain both bread and jam. Then the support of bread and jam is_________.

A. 2%
B. 20%
C. 3%
D. 30%
Answer» B. 20%
942.

Which of the following is not a desirable feature of any efficient algorithm?

A. To reduce number of input operation
B. To reduce number of output operations
C. To be efficient in computing
D. To have maximal code length
Answer» E.
943.

The star schema is composed of __________ fact table.

A. one
B. Two
C. Three
D. four
Answer» B. Two
944.

________is a process of determining the preference of customer's majority.

A. Association
B. Preferencing
C. Segmentation
D. Classification
Answer» C. Segmentation
945.

Employs the supervised mode of learning.

A. RBF
B. MLP
C. MLP & RBF
D. ANN
Answer» D. ANN
946.

The paths from root node to the nodes labelled 'a' are called_________

A. Transformed prefix path
B. Suffix subpath
C. Transformed suffix path
D. Prefix subpath
Answer» E.
947.

CLARANS stands for

A. CLARA Net Server
B. Clustering Large Application Range Network Search
C. Clustering Large Applications based on Randomized Search
D. Clustering Application Randomized Search
Answer» D. Clustering Application Randomized Search
948.

__________maps the core warehouse metadata to business concepts, familiar and useful toend users.

A. Application level metadata
B. User level metadata
C. Enduser level metadata
D. Core level metadata
Answer» B. User level metadata
949.

Investment analysis used in neural networks is to predict the movement of_________fromprevious data.

A. Engines
B. Stock
C. Patterns
D. Models
Answer» C. Patterns
950.

A priori algorithm is otherwise called as_________

A. Width-wise algorithm
B. Level-wise algorithm
C. Pincer-search algorithm
D. FP growth algorithm
Answer» C. Pincer-search algorithm