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Data analysis and visualisation
A character data type is stored in
Analysis stage determine the
Data analysis and visualisation
20 terms
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1
Analysis stage determine the
Evaluation criteria
Solution requirements
Data visualisation
Manipulation of data
2
A character data type is stored in
2 bytes
8 bytes
4 bytes
6 bytes
3
Display population data of a town is a
None of the above
Non functional requirement
Solution constraint
Functional requirement
4
Primary data sources involve collecting the data directly from
surveys
newspapers
books
interviews
5
Hierarchy visualizations show
negatives of data item
positives of data item
structure of data item
relationships of data item
6
ABS stands for
Australian bureau of science
Australian Bureau of statistics
Australian Bureau of strategies
Australian Bureau of surveys
7
DBMS stands for
DataManagementSystem
DataBaseMaintenanceSystem
DataBaseManagementSystem
DataBaseManipulationSystem
8
Timeliness refers to the
age of data
quality of data
quantity of data
amount of data
9
A Boolean data type can accept values that are
yes or no
true or false
characters
integers
10
A bar chart can be used to show
compare different data items
the trend in a data item over time
frequency of data items
data item as a proportion of a population
11
Foreign key is a
Primary key of another table
None of the above
Foreign key of another table
Secondary key of another table
12
IPO stands for
Input Process Output
Input Plan Output
Input Procedure Output
Input Performance Output
13
A record is a complete set of
none
tables
data items
fileds
14
Example of many to many relationship
Mother to children
Children to Mother
Students to Students
Siblings to siblings
15
Technical constraints are constraints related to the
Web development
Images
Hardware
Software
16
Primary key is
Uniquely identifies a record
Repetition of record
Duplication of record
Redundancy of record
17
Economic constraints includes
none
time only
time and cost
cost only
18
Arrange PSM in an order
Analysis, Development, Design, Evaluation
Analysis, Development, Evaluation, Design
Evaluation, Design, Development, Analysis
Analysis, Design, Development, Evaluation
19
Data integrity refers to the
incorrect data
correct data
quantitative of data
quality of data
20
An array is a collection of
data items
records
tables
fields
