PROGRAMMABLE LOGIC CONTROLLERS BUNDLE
5th Edition
ISBN: 9781260582475
Author: Petruzella
Publisher: MCG
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Question
Chapter 9, Problem 4RQ
Program Plan Intro
a.
Jump instruction:
In PLC
Jump to Label instruction:
The jump to label instruction either jumps forward or backward to the corresponding label instruction.
Explanation of Solution
b.
Affecting jumped rungs:
- At the time of executing a jump-to-label instruction, the jumped rungs are not scanned by the processor...
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Chapter 9 Solutions
PROGRAMMABLE LOGIC CONTROLLERS BUNDLE
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- Which register is utilized as a counter by the LOOP instruction when it is executed in real-address mode?arrow_forwardWhat would occur if an instruction were to be disregarded? A software-managed TLB is quicker than a hardware-managed TLB in the following situations:arrow_forwardDo you know what occurs when an instruction is rejected? A software-managed TLB would outperform a hardware-managed TLB in the following scenarios:arrow_forward
- What exactly do we mean when we say "loop unrolling"? How does it aid in optimising instruction execution?arrow_forwardWhat takes place if a writing instruction is sent to VA page 30 without being approved? The following scenarios call for a faster software-managed TLB than a hardware-managed TLB:arrow_forwardWhich instruction duplicates the most significant bit of each operand into the Carry indicator and the least significant bit into the Least Significant Bit position?arrow_forward
- If an instruction is not accepted and it writes to VA page 30, what will happen? A TLB that is handled by software would perform better than a TLB that is controlled by hardware in the following situations:arrow_forwardWhat happens if an instruction is written to VA page 30 before it has been approved? In the following contexts, a TLB that is maintained by software would be more efficient than one that is handled by hardware:arrow_forward
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