1. Which of these best describes an array? A. A data structure that shows a hierarchical behaviour B. Container of objects of similar types C. Arrays are immutable once initialised D. Array is not a data structure Answer» B. Container ...
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Data Structure and Algorithms (DSA) Solved MCQs
Quearn1. It exports a set of operations A. true, false B. false, true C. true, true D. false, false Answer» C. true, true 2. A graph is said to be complete if there is no edge between every pair of ...
Data Structure (DS) Solved MCQs
Quearn1. Which if the following is/are the levels of implementation of data structure A. abstract level B. application level C. implementation level D. all of the above Answer» D. all of the above 2. A binary search tree whose left ...
Data Mining and Data Warehouse Solved MCQs
Quearn1. __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of management decisions. A. data mining. B. data warehousing. C. web mining. D. text mining. Answer» B. data warehousing. 2. The data Warehouse is__________. A. read only. ...
Data Mining and Business Intelligence Solved MCQs
Quearn1. __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of management decisions. A. Data Mining B. Data Warehousing C. Web Mining D. Text Mining Answer» B. Data Warehousing 2. The data Warehouse is __________. A. Read ...
Data Compression and Data Retrieval Solved MCQs
Quearn1. Makes the file smaller by deleting parts of the file permanently (forever) A. Lossy Compression B. Lossless Compression Answer» A. Lossy Compression 2. Which of these is an advantage for Lossy compression? A. The file size becomes significantly (much) ...
Data Analysis Solved MCQs
Quearn1. What is a hypothesis? A. a statement that the researcher wants to test through the data collected in a study. B. a research question the results will answer. C. a theory that underpins the study. D. a statistical method ...