first the booting files are loaded in the RAM and these files are in the boot sector where operating system is installed . after loading these file then these files load the operating system in the RAM , some portion of RAM is Allocated by the OS.
after that window is ready to perform tasks.
A computer is loading data when it is turned on and the operating system is being loaded.
booting
Booting up ..! A boot process is a step by step process with which a computer loads the operating system.
Generally it's called "booting up" the system
windows xp
I'm pretty sure that's the POST or the Power On Self Test.
When a computer is turned on, parts of the operating system are transferred from the hard drive (or other storage media) into the computer's RAM (Random Access Memory). This process is initiated by the BIOS or UEFI firmware, which performs hardware checks and loads the bootloader. The bootloader then loads the operating system kernel into RAM, allowing it to manage system resources and execute programs. Once loaded, the OS takes control of the computer, facilitating user interaction and application execution.
A computer without an operating system will not operate.
The computer is running on the Windows operating system.
Safe-mode is an option for operating systems whereby many of the extra features are turned off so that one can investigate a problem. Therefore and operating system is required
operating system decide what your computer will do
An operating system manages the working operation of a computer