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Using Information Technology: A Practical Introduction to Computers and Communications, 5/e
Brian K. Williams
Stacey Sawyer
FILES, DATABASES, & E-COMMERCE: Digital Engines for the New Economy
Chapter 8 True or False Quiz
1
Siftware tools are used to perform data mining.
A)
True
B)
False
2
A data warehouse consists of dirty data waiting for the data cleansing step of data mining.
A)
True
B)
False
3
The transaction file is a relatively permanent file that holds all changes to be made to the master file: additions, deletions, revisions.
A)
True
B)
False
4
Magnetic tape is an example of direct storage.
A)
True
B)
False
5
The oldest of the four models of databases is the hierarchical database.
A)
True
B)
False
6
Direct storage is more expensive than sequential storage.
A)
True
B)
False
7
Intelligent agents do "data surfing" to explore all dimensions of a particular subset of data.
A)
True
B)
False
8
The chief ethical issue surrounding morphing is privacy.
A)
True
B)
False
9
A character can be stored in a byte of data.
A)
True
B)
False
10
Data fusion is another name for data cleansing.
A)
True
B)
False