Some information related to process scheduling and process -related information is also stored in PCB. (1) Process statu
① Natural execution: scheduling ② Execution Waiting: Waiting for an event to sleep and sleep ③ Waiting Reading: Wake
Each process must have a unique identifier, which can be a string or a number. In the Unix system is an integer number. T
1. Program ID (PID, process handle): It is the only one, and a process must correspond to a PID. PID is generally plastic
Most single, double-sided, and multi-layer PCB circuit boards are made of FR-4. The FR in FR-4 represents flame retardant
PCB is an abbreviation for Printed Circuit Board in English, also known as Printed Circuit Board or Printed Circuit Board