windows xp
The operating system resides in secondary memory i.e., hard disk.when we boot our computer it is loaded into Primary memory i.e.,RAM and then loaded,this process is called booting
Upper, lower, middle, all of above
Operating system is obviously resides in computer memory which is hard disk. But the main (booting) files are loaded into ROM by bootstrap loader at the time of start of the computer. Have you ever seen your C drive (or the drive which is for system, program files). This drive is on hard disk ... so OPERATING SYSTEM PLACED MAINLY ON HARD DISK...
An operating system is software that resides between user applications and hardware. It's job is to manage hardware resources and allocate them to the user applications through processes such as memory management and process scheduling.
Most often Windows however it could be a variation of linux
Windows laptop computer refers to the operating system in the computer. This operating system is where your virtual memory, task, and files are stored.
If the computer is running, the memory (RAM) almost assuredly is as well.
booting
Operating system
AnswerAssuming you're like the 99% who are using PCs or MACs: An operating system resides on your local computer and it's function is to allow the software to work with the hardware on that machine. A network operating system allows multiple computers to connect to each other, controlling the sharing of devices, files or programs. This resides on a shared computer called a "server".
That depends on the operating system and computer architecture.