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.

1001.

The biggest drawback of the level indicator in the classic star-schema is thatitlimits_________.

A. Quantify
B. Qualify
C. Flexibility
D. Ability
Answer» D. Ability
1002.

A fact is said to be fully 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» B. Additive over at least one but not all of the dimensions
1003.

MDDB stands for _______________.

A. Multiple data doubling
B. Multidimensional databases
C. Multiple double dimension
D. Multi-dimension doubling
Answer» C. Multiple double dimension
1004.

In algorithm each cluster is represented by the center of gravity of the cluster

A. K-medoid
B. K-means
C. Stirr
D. Rock
Answer» C. Stirr
1005.

_________is an expensive process in building an expert system.

A. Analysis
B. Study
C. Design
D. Information collection
Answer» E.
1006.

can be thought of as classifying an attribute value into one of a set of possible classes

A. Estimation.
B. Prediction.
C. Identification.
D. Clarification
Answer» C. Identification.
1007.

A single axon makes of synapses with other neurons.

A. Ones
B. Hundreds
C. Thousands
D. Millions
Answer» D. Millions
1008.

If a set is a frequent set and no superset of this set is a frequent set, then it iscalled____________

A. Maximal frequent set
B. Border set
C. Lattice
D. Infrequent sets
Answer» B. Border set
1009.

Over fitting occurs when a model_________.

A. Does fit in future states
B. Does not fit in future states
C. Does fit in current state
D. Does not fit in current state
Answer» C. Does fit in current state
1010.

A directory to help the DSS analyst locate the contents of the data warehouse isseen in__________.

A. Current detail data
B. Lightly summarized data
C. Metadata
D. Older detail data
Answer» D. Older detail data
1011.

Which of the following is not a old detail storage medium?

A. Phot Optical Storage
B. RAID
C. Microfinche
D. Pen drive
Answer» E.
1012.

SMP stands for________.

A. Symmetric Multiprocessor
B. Symmetric Multiprogramming
C. Symmetric Metaprogramming
D. Symmetric Microprogramming
Answer» B. Symmetric Multiprogramming
1013.

Non-additive measures can often combined with additive measures to create new_________.

A. Additive measures
B. Non-additive measures
C. Partially additive
D. All of the above
Answer» B. Non-additive measures
1014.

A predictive model makes use of______.

A. Current data.
B. Historical data.
C. Both current and historical data.
D. Assumptions
Answer» C. Both current and historical data.
1015.

The biological neuron's__________is a continuous function rather than a step function.

A. Read.
B. Write.
C. Output.
D. Input
Answer» D. Input
1016.

The source of all data warehouse data is the__________.

A. Operational environment
B. Informal environment
C. Formal environment
D. Technology environment
Answer» B. Informal environment
1017.

______ is called a multifield transformation.

A. Converting data from one field into multiple fields
B. Converting data from fields into field
C. Converting data from double fields into multiple fields
D. Converting data from one field to one field
Answer» B. Converting data from fields into field
1018.

MLP stands for .

A. Mono layer perception
B. Many layer perception
C. More layer perception
D. Multi-layer perception
Answer» E.
1019.

MFCS is the acronym of____________

A. Maximum Frequency Control Set
B. Minimal Frequency Control Set
C. Maximal Frequent Candidate Set
D. Minimal Frequent Candidate Set
Answer» D. Minimal Frequent Candidate Set
1020.

_________is a metadata repository.

A. Prism solution directory manager
B. CORBA
C. STUNT
D. COBWEB
Answer» B. CORBA
1021.

_________data are noisy and have many missing attribute values.

A. Preprocessed
B. Cleaned
C. Real-worl
D. D Tr
Answer» E.
1022.

In web mining, is used to know which URLs tend to be requested together.

A. Clustering
B. Associations
C. Sequential analysis
D. Classification
Answer» C. Sequential analysis
1023.

All set of items whose support is greater than the user-specified minimum support are calledas_____________

A. Border set
B. Frequent set
C. Maximal frequent set
D. Lattice
Answer» C. Maximal frequent set
1024.

Which of the following is an operation in genetic algorithm?

A. Inversion
B. Dominance
C. Genetic edge recombination
D. All of the above
Answer» E.
1025.

The number of iterations in a priori

A. Increases with the size of the maximum frequent set
B. Decreases with increase in size of the maximum frequent set
C. Increases with the size of the data
D. Decreases with the increase in size of the data
Answer» B. Decreases with increase in size of the maximum frequent set
1026.

___________proposed the approach for data integration issues.

A. Ralph Campbell
B. Ralph Kimball
C. John Raphlin
D. James Gosling
Answer» C. John Raphlin
1027.

The mutation operator .

A. Recombine the population's genetic material
B. Introduce new genetic structures in the population
C. To modify the population's genetic material
D. All of the above
Answer» C. To modify the population's genetic material
1028.

In each cluster is represented by one of the objects of the cluster located near the center

A. K-medoid
B. K-means
C. Stirr
D. Rock
Answer» B. K-means
1029.

The load and index is_______.

A. A process to reject data from the data warehouse and to create the necessary indexes
B. A process to load the data in the data warehouse and to create the necessary indexes
C. A process to upgrade the quality of data after it is moved into a data warehouse
D. A process to upgrade the quality of data before it is moved into a data warehouse
Answer» C. A process to upgrade the quality of data after it is moved into a data warehouse
1030.

The__________propose a measure of standing a node based on path counting.

A. Open we
B. B Close web
C. Link web
D. Hidden web
Answer» C. Link web
1031.

The type of relationship in star schema is_________.

A. Many-to-many
B. One-to-one
C. One-to-many
D. Many-to-one
Answer» D. Many-to-one
1032.

Which of the following is a descriptive model?

A. Classification
B. Regression
C. Sequence discovery
D. Association rules
Answer» D. Association rules
1033.

The rise of DBMS occurred in early _______.

A. 1950's
B. 1960's
C. 1970's
D. 1980's
Answer» D. 1980's
1034.

The value that says that transactions in D that support X also support Y is called__________.

A. Confidence
B. Support
C. Support count
D. None of the above
Answer» B. Support
1035.

The data administration subsystem helps you perform all of the following, except_________.

A. Backups and recovery
B. Query optimization
C. Security management
D. Create, change, and delete information
Answer» E.
1036.

Data warehouse architecture is based on___________.

A. DBMS
B. RDBMS
C. Sybase
D. SQL Server
Answer» C. Sybase
1037.

If an itemset is not a frequent set and no superset of this is a frequent set, then it is

A. Maximal frequent set
B. Border set
C. Upward closure property
D. Downward closure property
Answer» C. Upward closure property
1038.

Certain itemsets in the dashed circle whose support count reach support valueduring an iteration move into the______________

A. Dashed box
B. Solid circle
C. Solid box
D. None of the above
Answer» B. Solid circle
1039.

Are highly simplified models of biological neurons?

A. Artificial neurons
B. Computational neurons
C. Biological neurons
D. Technological neurons
Answer» B. Computational neurons
1040.

How many components are there in a data warehouse?

A. Two
B. Three
C. Four
D. Five
Answer» E.
1041.

The RSES system was developed in .

A. Poland
B. Italy
C. Englan
D. D America
Answer» B. Italy
1042.

The main organizational justification for implementing a data warehouse is toprovide__________.

A. Cheaper ways of handling transportation
B. Decision support
C. Storing large volume of data
D. Access to data
Answer» D. Access to data
1043.

Which of the following is a clustering algorithm?

A. A priori
B. CLARA
C. Pincer-Search
D. FP-growth
Answer» C. Pincer-Search
1044.

___________is data that is distilled from the low level of detail found at the current detailedleve.

A. Highly summarized data
B. Lightly summarized data
C. Metadata
D. Older detail data
Answer» C. Metadata
1045.

Effect of one attribute value on a given class is independent of values of other attribute iscalled____________.

A. Value independence
B. Class conditional independence
C. Conditional independence
D. Unconditional independence
Answer» B. Class conditional independence
1046.

__________are some popular OLAP tools.

A. Metacube, Informix
B. Oracle Express, Essbase
C. HOLAP
D. MOLAP
Answer» B. Oracle Express, Essbase
1047.

The important aspect of the data warehouse environment is that data found within the datawarehouse is__________.

A. subject-oriented
B. time-variant
C. integrate
D. D All of the above
Answer» E.
1048.

Business Intelligence and data warehousing is used for________.

A. Forecasting
B. Data Mining
C. Analysis of large volumes of product sales data
D. All of the above
Answer» E.
1049.

Data marts that incorporate data mining tools to extract sets of data are called_________.

A. Independent data mart
B. Dependent data marts
C. Intra-entry data mart
D. Inter-entry data mart
Answer» C. Intra-entry data mart
1050.

data consists of sample input data as well as the classification assignment for the data

A. Missing.
B. Measuring.
C. Non-training.
D. Training
Answer» C. Non-training.