Who controls the process control block(PCB)?

Recently, I have learnt about kernel and find a question that who controls the process control block(PCB)?The kernel or the process itself? Does it differ in different platform (windows/Linux)? So far, I know PCB is controlled in hardware, but I can't get to the right answer.

OS tracks all necessary information about each process running in the system in PCB. Process Control Block is a data structure representing a process in the OS.

Process control Block PCB is specially defined in the core of the OS for each process.

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Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.
Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

What Others Are Asking

How can I separate PCB antenna and SMA connector?

I am designing a prototype PCB for a Lora node. It will have an SMA connector (J2) and a PCB antenna. Switching RF connectors are not available in my area, so as an amateur enthusiast what is a good way to separate the antennas?

Is double-sided mounting still possible with the latest packages?

When I think of packages like some DFN or 0201 resistors I wonder where they would place glue dots. My UDFN is 1.2mm x 1mm. And glue dots on 0.5mm pitch WLP seem completely out. Is it still possible to fix parts at the bottom of a PCB for soldering?

What is the difference between a prototype PCB and a production PCB?

My project have gone through from design, prototype to mass production after lots of discussion and adjustment. Now the manufacturer are making our products in their product lines. And I would like to know is there any differences between the prototypes in my hand now and the final products output by the manufacturer?

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