Activities Manual for Programmable Logic Controllers
5th Edition
ISBN: 9781259679568
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 12, Problem 23RQ
Explanation of Solution
Comparison on a FIFO register and a LIFO register:
| FIFO register | LIFO register |
| FIFO is the abbreviation for First In First Out. | LIFO is the abbreviation for Last In First Out. |
| FIFO is both an asynchronous and synchronous approach for moving the data from a complete word into a file or stack. | Similarly, LIFO is also an asynchronous and synchronous approach for moving the data from a complete word into a file or stack. |
| Here, the first word entered will be the first word coming out. | Here, the last word entered will be the first word coming out. |
| In this connection, FIFO Load (FFL) and FIFO Unload (FFU) instructions are used for word loading and unloading process... |
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Chapter 12 Solutions
Activities Manual for Programmable Logic Controllers
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