McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Click-Alongs
Interactive Companion
Web Summary
Multiple Choice Quiz
Fill in the Blanks
True or False
Click-along
Click-along 8-1
Click-along 8-2
Crossword Puzzle
IT Challenge
Labeling Exercise
IT Word Scramble
Feedback
Help Center


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




McGraw-Hill/Irwin