"Assuming you space using a multi-tasking operating system like Windows, the operating device software decides which home window you pressed the key in and sends a blog post to that window telling the a an essential was pressed.

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" -PCGuide

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


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The Operating device is save on computer on the hard Disk, yet on boot, the BIOS will begin the operating System, which is loaded right into RAM, and from that point on, the OS is accessed while that is located in her RAM.


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I"m wonder if the ASCII is save on computer in the operation System?

ASCII is a standardized password that maps letters, digits, point marks, and also other signs to numeric values.FYI the PC key-board does not generate ASCII codes, but rather scan codes.It"s as much as the key-board driver (which is component of the OS) to transform the scan codes of the crucial that was pressed (and released) right into an ASCII code.Such data is processed by the operating system; together data is not "stored in the operating System".

If so, where is the Operating mechanism Stored? Is that in ROM, BIOS?

The executable photo of the operating system is stored in a mass storage device.For computers that is generally a HDD or SSD.But in history floppy diskettes have likewise been used.The OS could likewise be booted indigenous CD, DVD, or USB flash drive.In a wider context (i.e. Past the common Wintel PC), a computer could fill (i.e. Transport the OS picture into main memory, RAM) indigenous any number of sources, including an additional network host, or SDcard, or raw speed chips.The method/source that loading one OS picture is limited primarily through the capability of the bootloader program.

ROM is memory whose contents are "written" when the semiconductor is masked during fabrication. IOW the password is irreversible for the life the the chip.Since the components of ROM cannot be changed, and also an OS is rarely ever bug-free and also therefore requires updates, don"t expect to uncover an OS photo stored in ROM.

The BIOS is password for performing configuration, initialization, and also a first-stage boots program.It is not a warehouse device.

Note that the (typical) CPU needs that the password that the executes should reside in key memory. Therefore the (image of the) operating device must be transferred (aka loaded) into main storage for execution.So because that operational usage of the computer, the OS lives in RAM.

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Addendum

I"ve noticed the marketing blurbs because that tablets and smart phones may have actually specifications because that the device"s "RAM and ROM" capacities. Supposedly the lamb capacity is because that the (traditional) key memory obtainable for usage by the CPU, and the "ROM" capacity actually refers to nonvolatile warehouse (e.g. Some type of NAND flash) for firmware.This "ROM" specification has actually nothing to perform with yes, really read-only memory. The is in reality writeable memory, and its objective is a storage device.