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MCQOPTIONS
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.
| 951. |
The data in current detail level resides till__________event occurs. |
| A. | Purge |
| B. | Summarization |
| C. | Archieve |
| D. | D All of the above |
| Answer» E. | |
| 952. |
_____ is used to map a data item to a real valued prediction variable. |
| A. | Regression |
| B. | Time series analysis |
| C. | Prediction |
| D. | Classification |
| Answer» C. Prediction | |
| 953. |
A fact representing cumulative sales units over a day at a store for a product is a_________. |
| A. | Additive fact |
| B. | Fully additive fact |
| C. | Partially additive fact |
| D. | Non-additive fact |
| Answer» C. Partially additive fact | |
| 954. |
The left hand side of an association rule is called________. |
| A. | Consequent |
| B. | Onset |
| C. | Antecedent |
| D. | Precedent |
| Answer» D. Precedent | |
| 955. |
SQL stand for_________. |
| A. | Standard Query Language |
| B. | Structured Query Language |
| C. | Standard Quick List. |
| D. | Structured Query list |
| Answer» C. Standard Quick List. | |
| 956. |
Rule based classification algorithms generate_________rule to perform the classification |
| A. | If-then |
| B. | While |
| C. | Do while |
| D. | Switch |
| Answer» B. While | |
| 957. |
The proportion of transaction supporting X in T is called_____________. |
| A. | Confidence |
| B. | Support |
| C. | Support count |
| D. | All of the above |
| Answer» C. Support count | |
| 958. |
SOM was developed during . |
| A. | 1970-80 |
| B. | 1980-90 |
| C. | 1990 -60 |
| D. | 1979 -82 |
| Answer» E. | |
| 959. |
Converting data from different sources into a common format for processing is called as____ . |
| A. | Selection |
| B. | Preprocessing |
| C. | Transformation |
| D. | Interpretation |
| Answer» D. Interpretation | |
| 960. |
GA was introduced in the year________. |
| A. | 1955 |
| B. | 1965 |
| C. | 1975 |
| D. | 1985 |
| Answer» D. 1985 | |
| 961. |
The time horizon in operational environment is ________. |
| A. | 30-60 days |
| B. | 60-90 days |
| C. | 90-120 days |
| D. | 120-150 days |
| Answer» C. 90-120 days | |
| 962. |
Detail data in single fact table is otherwise known as__________. |
| A. | Monoatomic data |
| B. | Diatomic data |
| C. | Atomic data |
| D. | Multiatomic data |
| Answer» D. Multiatomic data | |
| 963. |
The first International conference on KDD was held in the year_________. |
| A. | 1996 |
| B. | 1997 |
| C. | 1995 |
| D. | 1994 |
| Answer» D. 1994 | |
| 964. |
Strategic value of data mining is_______. |
| A. | Cost-sensitive |
| B. | Work-sensitive |
| C. | Time-sensitive |
| D. | Technical-sensitive |
| Answer» D. Technical-sensitive | |
| 965. |
and prediction may be viewed as types of classification |
| A. | Decision. |
| B. | Verification. |
| C. | Estimation. |
| D. | Illustration |
| Answer» D. Illustration | |
| 966. |
In _____ , the value of an attribute is examined as it varies over time. |
| A. | Regression |
| B. | Time series analysis |
| C. | Sequence discovery |
| D. | Prediction |
| Answer» C. Sequence discovery | |
| 967. |
Crossover is used to . |
| 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» B. Introduce new genetic structures in the population | |
| 968. |
displays of data such as maps, charts and other graphical representation allow datato be presented compactly to the users. |
| A. | Hidden |
| B. | Visual |
| C. | Obscure |
| D. | D Concealed |
| Answer» C. Obscure | |
| 969. |
Fact tables are_______. |
| A. | Completely demoralized |
| B. | Partially demoralized |
| C. | Completely normalize |
| D. | D Partially normalized |
| Answer» D. D Partially normalized | |
| 970. |
The step eliminates the extensions of (k-1)-itemsets which are not found to be frequent, from being considered for counting support. |
| A. | Candidate generation |
| B. | Pruning |
| C. | Partitioning |
| D. | Itemset eliminations |
| Answer» C. Partitioning | |
| 971. |
Is one of the most popular models in the unsupervised framework? |
| A. | SOM |
| B. | SAM |
| C. | OSM |
| D. | MSO |
| Answer» B. SAM | |
| 972. |
The FP-growth algorithm has phases |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 973. |
_____ is used to proceed from very specific knowledge to more general information. |
| A. | Induction |
| B. | Compression |
| C. | Approximation |
| D. | Substitution |
| Answer» B. Compression | |
| 974. |
In ______ the groups are not predefined. |
| A. | Association rules |
| B. | Summarization |
| C. | Clustering |
| D. | Prediction |
| Answer» D. Prediction | |
| 975. |
Transient data is___________. |
| A. | Data in which changes to existing records cause the previous version of the records to be eliminated |
| B. | Data in which changes to existing records do not cause the previous version of the records to be eliminated |
| C. | Data that are never altered or deleted once they have been adde |
| D. | D Data that are never deleted once they have been added |
| Answer» B. Data in which changes to existing records do not cause the previous version of the records to be eliminated | |
| 976. |
__________describes the data contained in the data warehouse. |
| A. | Relational data |
| B. | Operational data |
| C. | Metadata |
| D. | Informational data |
| Answer» D. Informational data | |
| 977. |
____________ is a system created for rule induction. |
| A. | RBS |
| B. | CBS |
| C. | DBS |
| D. | LERS |
| Answer» E. | |
| 978. |
______test is used in an online transactional processing environment. |
| A. | MEGA |
| B. | MICRO |
| C. | MACRO |
| D. | ACID |
| Answer» E. | |
| 979. |
RBF hidden layer units have a receptive field which has a________; that is, a particular input value at which they have a maximal output. |
| A. | Top |
| B. | Bottom |
| C. | Centre |
| D. | Border |
| Answer» D. Border | |
| 980. |
The__________engine for a data warehouse supports query-triggered usage of data. |
| A. | NNTP |
| B. | SMTP |
| C. | OLAP |
| D. | POP |
| Answer» D. POP | |
| 981. |
The sigmoid function also knows as __functions. |
| A. | Regression |
| B. | Logisti |
| C. | C Probability |
| D. | Neural |
| Answer» C. C Probability | |
| 982. |
The actual amount of reduction at each learning step may be guided by_________. |
| A. | learning cost |
| B. | learning level |
| C. | learning rate |
| D. | learning time |
| Answer» D. learning time | |
| 983. |
Capability of data mining is to build __________models. |
| A. | Retrospective |
| B. | Interrogative |
| C. | Predictive |
| D. | Imperative |
| Answer» D. Imperative | |
| 984. |
clustering techniques starts with all records in one cluster and then try to split that |
| A. | Agglomerative. |
| B. | Divisive. |
| C. | Partition. |
| D. | Numeric |
| Answer» C. Partition. | |
| 985. |
__________can generate programs itself, enabling it to carry out new tasks. |
| A. | Automated system |
| B. | Decision making system |
| C. | Self-learning system |
| D. | Productivity system |
| Answer» E. | |
| 986. |
_________helps to integrate, maintain and view the contents of the data warehousing system. |
| A. | Business directory |
| B. | Information directory |
| C. | Data dictionary |
| D. | Database |
| Answer» C. Data dictionary | |
| 987. |
Web content mining describes the discovery of useful information from the contents. |
| A. | Text |
| B. | Web |
| C. | Page |
| D. | Level |
| Answer» C. Page | |
| 988. |
Various visualization techniques are used in_________step of KDD. |
| A. | Selection |
| B. | Transformation |
| C. | Data mining |
| D. | Interpretation |
| Answer» E. | |
| 989. |
Describes the discovery of useful information from the web contents. |
| A. | Web content mining |
| B. | Web structure mining |
| C. | Web usage mining |
| D. | All of the above |
| Answer» B. Web structure mining | |
| 990. |
Market-basket problem was formulated by____________. |
| A. | Agrawal et al |
| B. | Steve et al |
| C. | Toda et al |
| D. | Simon et al |
| Answer» B. Steve et al | |
| 991. |
After the pruning of a priori algorithm,__________will remain |
| A. | Only candidate set |
| B. | No candidate set |
| C. | Only border set |
| D. | No border set |
| Answer» C. Only border set | |
| 992. |
Which of the following is the other name of Data mining? |
| A. | Exploratory data analysis |
| B. | Data driven discovery |
| C. | Deductive learning |
| D. | All of the above |
| Answer» E. | |
| 993. |
RBF have only hidden layer. |
| A. | Four |
| B. | Three |
| C. | Two |
| D. | One |
| Answer» E. | |
| 994. |
The SOM was a neural network model developed by__________. |
| A. | Simon King |
| B. | Teuvokohonen |
| C. | Tomoki Toda |
| D. | Julia |
| Answer» C. Tomoki Toda | |
| 995. |
Data warehouse contains ______data that is never found in the operational environment. |
| A. | Normalized |
| B. | Informational |
| C. | Summary |
| D. | Denormalized |
| Answer» D. Denormalized | |
| 996. |
A_________model identifies patterns or relationships. |
| A. | Descriptive |
| B. | Predictive |
| C. | Regression |
| D. | Time series analysis |
| Answer» B. Predictive | |
| 997. |
Exceptional reporting in data warehousing is otherwise called as__________. |
| A. | Exception |
| B. | Alerts |
| C. | Errors |
| D. | Bugs |
| Answer» C. Errors | |
| 998. |
The transformed prefix paths of a node 'a' form a truncated database of pattern which cooccur with a is called________ |
| A. | Suffix path |
| B. | FP-tree |
| C. | Conditional pattern base |
| D. | Prefix path |
| Answer» D. Prefix path | |
| 999. |
Reconciled data is_________. |
| A. | Data stored in the various operational systems throughout the organization |
| B. | Current data intended to be the single source for all decision support systems |
| C. | Data stored in one operational system in the organization |
| D. | Data that has been selected and formatted for end-user support applications |
| Answer» C. Data stored in one operational system in the organization | |
| 1000. |
__________contains information that gives users an easy-to-understand perspective of theinformation stored in the data warehouse. |
| A. | Business metadata |
| B. | Technical metadata |
| C. | Operational metadata |
| D. | Financial metadata |
| Answer» B. Technical metadata | |