Where is my os located

"Assuming you are using a multi-tasking operating system prefer Windows, the operating mechanism software application decides which window you pressed the vital in and also sends a message to that window informing it a crucial was pressed.

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" -PCGuide

I"m wondering if the ASCII is stored in the Operating System? If so, where is the Operating System Stored? Is it in ROM, BIOS?


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The Operating System is stored on the Hard Disk, however on boot, the BIOS will start the Operating System, which is loaded right into RAM, and also from that point on, the OS is accessed while it is located in your RAM.


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I"m wondering if the ASCII is stored in the Operating System?

ASCII is a standardized code that maps letters, digits, punctuation marks, and other symbols to numeric worths.FYI the PC key-board does not generate ASCII codes, however rather sdeserve to codes.It"s up to the keyboard driver (which is part of the OS) to convert the scan codes of the key that was pressed (and also released) right into an ASCII code.Such information is processed by the operating system; such information is not "stored in the Operating System".

If so, where is the Operating System Stored? Is it in ROM, BIOS?

The executable image of the operating device is stored in a mass storage gadget.For Computers that is frequently a HDD or SSD.But historically floppy diskettes have additionally been offered.The OS could additionally be booted from CD, DVD, or USB flash drive.In a wider conmessage (i.e. beyond the common Wintel PC), a computer could load (i.e. deliver the OS image right into main memory, RAM) from any number of resources, consisting of another network-related host, or SDcard, or raw flash chips.The method/source of loading an OS image is limited mostly by the capabilities of the bootloader regimen.

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ROM is memory whose contents are "written" as soon as the semiconductor is masked in the time of fabrication. IOW the code is long-term for the life of the chip.Due to the fact that the contents of ROM cannot be adjusted, and also an OS is hardly ever ever bug-totally free and also therefore needs updates, do not mean to uncover an OS image stored in ROM.

The BIOS is code for performing configuration, initialization, and also a first-phase boot regimen.It is not a storage tool.

Keep in mind that the (typical) CPU requires that the code that it executes should reside in main memory. As such the (photo of the) operating system need to be moved (aka loaded) into primary memory for execution.So for operational use of the computer system, the OS stays in RAM.

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Addendum

I"ve noticed that marketing blurbs for taballows and cellphones might have specifications for the device"s "RAM and ROM" capacities. Apparently the RAM capacity is for the (traditional) main memory available for usage by the CPU, and the "ROM" capacity actually refers to nonvolatile storage (e.g. some form of NAND flash) for firmware.This "ROM" specification has actually nothing to perform through actual read-only memory. It is actually writeable memory, and also its objective is a storage device.