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DPAS 1 Basic Data Processing Concepts Questions And Answers (A+)
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DPAS 1 Basic Data Processing Concepts Questions And Answers (A+)...
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DPAS 1 Basic Data Processing ConceptsQuestions And Answers (A+)
d) Database management software
What kind of software should be used if one needs to store data online, make certain
parts of it accessible by different user types, and searchable?
a) Spreadsheet software
b) Presentation software
c) Word processing software
d) Database management software
a) Data comes from different sources in different formats.
What is a characteristic of big data?
a) Data comes from different sources in different formats.
b) Data growth is at a constant rate.
c) Data comes from different sources in standard formats.
,c) Relational Model
What is the most widely used data model today?
a) Graph Model
b) Network Model
c) Relational Model
d) Hierarchical Model
c) There may be multiple external schemas for a given database.
Which of the following is true about data schemas?
a) There may be multiple internal schemas for a given database.
b) There may be multiple conceptual schemas for a given database.
c) There may be multiple external schemas for a given database.
d) There may be multiple physical schemas for a given database.
b) 15
, Given two tuple sets (A with 10 elements and B with 5 elements), what is the maximum
number of tuples in the union of these sets?
a) 50
b) 15
c) 10
d) 5
a) Difference
Which mathematical operator must be used in order to display information about
students who are majoring in Computer Science but not in Electrical Engineering?
a) Difference
b) Intersection
c) Union
d) Cartesian Product
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