Booting Process

 

                          

      what happens when the computer is turned       on ? (Booting process)

   *When a computer is turned on, a process called "booting " occurs. During booting, the computer's hardware components  are initialized, and the operating system is loaded into  memory from the storage device ( usually a hard drive or SSD ). The process typical involves several. 

   *    stages : power - on Self - test (POST) , bootloader execution , loading the kernel , initializing hardware devices , Once these steps are completed, the user interface becomes available , and  the computer is ready for use.

  * POWER-ON-SELF-TEST

      (POST): When the computer is powered on, the hardware components perform a self -test to check if they are functioning properly. This include checking the CPU, memory (RAM), storage devices, and other essential hardware. If any issues are detected ,error messages might  be displayed.

          it's important to note that the exact details of the booting process can vary based on thecomputer's hardware, firmware , and operating system. The process described he is a general overview of typical booting sequence.