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Who controls the process control block(PCB)?

Kort geleden, 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)? Dusver, 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.

Lees verder: IoT Market

#PCB-ontwerp

 

Picture of Olivier Smit

Olivier Smit

Oliver is een ervaren elektronica-ingenieur met kennis van PCB-ontwerp, analoge circuits, ingebedde systemen, en prototyping. Zijn diepgaande kennis omvat schematisch vastleggen, firmware-codering, simulatie, indeling, testen, en probleemoplossing. Oliver blinkt uit in het omzetten van projecten van concept naar massaproductie met behulp van zijn elektrische ontwerptalenten en mechanische vaardigheden.
Picture of Olivier Smit

Olivier Smit

Oliver is een ervaren elektronica-ingenieur met kennis van PCB-ontwerp, analoge circuits, ingebedde systemen, en prototyping. Zijn diepgaande kennis omvat schematisch vastleggen, firmware-codering, simulatie, indeling, testen, en probleemoplossing. Oliver blinkt uit in het omzetten van projecten van concept naar massaproductie met behulp van zijn elektrische ontwerptalenten en mechanische vaardigheden.

Wat anderen vragen

Waarom zitten er tranen op de PCB-pads??

I received the PCB design file from supplier. There are some teardrops, which I have seldom seen. Why are there teardrops on the PCB design?

What is the proper zero orientation for a SMT LED?

According to IPC-7351, the cathode should be on the left for a molded diode. Echter, when I use component wizard of my suppliers to create a diode, it places the cathode (K) on the right. Does it depend on the manufacturer? How does the assembly house know which way is correct?

Waarom is draadloos opladen niet alomtegenwoordig??

Draadloos opladen is zo handig voor de gebruiker omdat er geen draad voor nodig is, maar het is niet zo populair als de markt. Er moeten een aantal redenen aan de kant van de leverancier zijn, isn’t it?

Lees gedetailleerd advies uit blogartikelen