What is the process of extracting patterns and information from data called? A. Data WranglingB. Data VisualizationC. Data EngineeringD. Data Mining Which statistical measure represents the middle value of a dataset when it is sorted in ascending order? A. MedianB. MeanC. Standard DeviationD. Mode In Data Science, what is the purpose of feature engineering? A. … Read more
What is the process of converting text data into a numerical format so that it can be used in machine learning algorithms called? A. Data EncodingB. Data TokenizationC. Data ParsingD. Data Transformation Which data collection method involves selecting a sample from a larger population and collecting data from the sample only? A. ExperimentsB. Observational StudiesC. … Read more
What is the primary purpose of a bar chart in EDA? A. To visualize the distribution of dataB. To display relationships between variablesC. To compare multiple categoriesD. To identify missing values Which EDA technique is used to visualize the distribution of a single continuous variable? A. Box PlotB. HistogramC. Scatter PlotD. Bar Chart In EDA, … Read more
In data modeling, what is the term for the process of representing data as objects and their interactions in software applications? A. Hierarchical ModelingB. Relational ModelingC. Object-Oriented ModelingD. Entity-Relationship Modeling What is the primary purpose of a decision tree model in data modeling? A. To represent the structure of a databaseB. To predict outcomesC. To … Read more
Which machine learning algorithm is commonly used for image classification tasks and is based on convolutional neural networks (CNNs)? A. Decision TreeB. Naive BayesC. K-Means ClusteringD. Convolutional Neural Network (CNN) In machine learning, what is the term for the process of dividing a dataset into a training set and a testing set for model evaluation? … Read more
What is the primary role of a “Data Node” in the Hadoop Distributed File System (HDFS)? A. Storing metadataB. Managing job schedulingC. Storing and managing data blocksD. Managing data visualization Which Apache project provides a distributed, scalable, and highly available database for big data storage and processing? A. Apache KafkaB. Apache HBaseC. Apache SparkD. Apache … Read more
What is the primary use of a “corpus” in Natural Language Processing (NLP)? A. To perform machine translationB. To store and analyze a collection of textsC. To identify the sentiment of a textD. To generate random text Which NLP technique involves assigning a numerical value to each word in a document, typically representing word frequency … Read more
What is the primary objective of “data anonymization” in data ethics and privacy? A. To increase data accessibilityB. To protect sensitive informationC. To improve data qualityD. To reduce data volume In data science, what does “consent withdrawal” mean in the context of data collection? A. Collecting data without permissionB. Allowing data to be sharedC. Revoking … Read more
What is the primary goal of “customer churn prediction” in business analytics? A. Retaining existing customersB. Maximizing computational complexityC. Minimizing data storage costsD. Extracting actionable insights In data science, what is “data visualization” used for in business analytics? A. Collecting data from various sourcesB. Displaying data in graphical formC. Identifying patterns in dataD. Calculating data … Read more
Which data manipulation library in Python is commonly used for handling tabular data and data cleaning tasks? A. PandasB. MatplotlibC. NumPyD. Scikit-learn What tool is commonly used for distributed data processing and large-scale data analysis in data science? A. Apache HadoopB. Jupyter NotebookC. GitD. MySQL What is the primary role of “Matplotlib” in data science? … Read more
Which type of chart is commonly used to represent hierarchical data with rectangular blocks? A. Scatter plotB. Bar chartC. TreemapD. Heatmap What does the term “data-driven storytelling” mean in the context of data visualization and reporting? A. Using data to enhance the narrativeB. Telling stories without dataC. Adding chartjunkD. Ignoring data visualization In a line … Read more
What is the primary purpose of the “problem statement” in a data science capstone project? A. Provide a literature reviewB. Define the project scopeC. Choose the programming languageD. None of the above Why is it important to define clear success criteria for a data science capstone project? A. To write a longer project reportB. To … Read more
What technology involves the use of machine learning algorithms to improve the efficiency of supply chain operations? A. Augmented reality (AR)B. Supply Chain AnalyticsC. Edge computingD. None of the above Which emerging trend in data science is related to the use of AI-driven chatbots and virtual assistants for customer support? A. Internet of Things (IoT)B. … Read more
Development communication refers to . . . . . . . . programmes on issues related to development. A. speaking onlyB. writing onlyC. producing onlyD. all of these According to which theory of media “the media area means of mental production of the ideology”? A. Soviet Media TheoryB. Social Responsibility TheoryC. Authoritarian TheoryD. Libertarian Theory … Read more
The presence of an editor for editing in electronic media comes in . . . . . . . . A. the decision making phaseB. recording stageC. preview stageD. final operational stage What is RO? A. Reverse Off: convert the recto into verso and vice versaB. Run On: let the line or paragraph continue along … Read more
There is a risk of client’s resources getting wasted without proper A. researchB. advertising campaignC. advertising budgetD. media planning AIDA is created by Elmo Lewisin A. 1900B. 1910C. 1912D. 1913 Which of the following establishes relationship between clients and business entrepreneurs? A. MarketB. Advertising agencyC. PlanningD. Products Which of the following formls a process of … Read more
Which Article of Indian Constitution grants the reputation of a person as an integral part of the right to life, which cannot be crucified at the altar or the others’ right of free speech? A. Article 21B. Article 20C. Article 19D. Article 18 Under which Act do the official secrets fall in USA? A. Official … Read more
Which of this is not a correct statement about on the public management? A. Profit maximisationB. Introduction of private sector businessC. Replacing private management by public sectorD. Replacing public sector with private management Newspapers primarily serve which functions? A. SurveillanceB. CorrelationC. EntertainmentD. All of these The airwaves are public property’ is a declaration of A. … Read more
The Rasa theory is attributed to . . . A. Bharata MuniB. Anand VardhanaC. Abhinav GuptaD. None of the above Which among the following movies belong to the comedy genre? A. The DictatorB. BarfiC. The Hateful EightD. The Silence of Others Currently, people meters have been installed in A. twenty cities of IndiaB. only four … Read more
Data used in nominal level of measurement is . . . A. qualitativeB. quantitativeC. Both A and BD. None of these Which one of the following statements is false? A. The satellite used of the SITE project was ATS-6B. The number of TV sets to which,C. The number of states covered by the SITE was … Read more
