Smart I/O is the interface that ________.
A) Distributes the network control capability across a large automation system
B) Includes a microprocessor so that it can be programmed for network data exchange
C) Is a single plug-and-socket connection with a high data transfer speed
D) Is either built into the processor module or come as separate modules
Question 2
The data highway is ________.
A) An open industrial networking standard that takes advantage of commercial off-the-shelf Ethernet hardware
B) An open network standard that uses the producer/consumer network model to efficiently exchange time-critical application information in control systems
C) A vendor-specific network for use with Allen-Bradley hardware
D) A low-cost communications single cable network with input and output devices with an embedded microprocessor for network communications
Negative feedback as a mechanism by which homeostatic control systems operate.
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Control of thyroxine secretion through negative feedback.
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