The attempts to define structures or units of educational materials is\are ______________. Salmon’s five stage model is a\an __________ approach to the use of discussion boards. __________ is using an interface to interact with digital information through the physical environment.  Communication technologies are generally categorized as asynchronous and ___________. A ____________ communication technology occurs when all users join in at once to communicate with all.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. The attempts to define structures or units of educational materials is\are ______________. Salmon’s five stage model is a\an __________ approach to the use of discussion boards. __________ is using an interface to interact with digital information through the physical environment. 
  2. Communication technologies are generally categorized as asynchronous and ___________. A ____________ communication technology occurs when all users join in at once to communicate with all.
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