Asked by Kevin Rodrigues on May 10, 2024
Verified
The IREFs shown in the FBD:
A) are used to send a value to an output device or tag.
B) are used to receive a value from an input device or tag.
C) must contain tags.
D) both b and c.
Output Device
A hardware component used to convey information from a computer or system to the external environment, such as a monitor, speaker, or printer.
Input Device
Any device that is used to feed data or control signals into a computer or processing system, such as a keyboard, mouse, or sensor.
- Analyze the unique characteristics of input and output references (IREFs, OREFs) versus connectors (ICONs, OCONs) in the framework of FBD.
Verified Answer
JT
Jonathon ToppertMay 15, 2024
Final Answer :
D
Explanation :
IREFs are used to receive a value from an input device or tag, hence option B is correct. They must contain tags to function properly, as stated in option C. Therefore, options B and C are both correct, making option D the best choice.
Learning Objectives
- Analyze the unique characteristics of input and output references (IREFs, OREFs) versus connectors (ICONs, OCONs) in the framework of FBD.