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Why does a computer system need ROM?

Updated: 8/20/2019
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10y ago

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Rom is a non-volatile memory. A computer system needs it because it stores the data permanently. If there is no ROM the data can be stored only until the system is on. Once the system is off, all the data stored in RAM(volatile memory) will be lost. So, ROM is used to store the data for a desired period of time.

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Q: Why does a computer system need ROM?
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Related questions

How much Ram and Rom does the computer system have?

If I was to purchase a computer that is a average desktop computer how much RAM and Rom should I have?


Where is the ROM located on the computer and what does it do?

ROM is Attached to the mother board inside the system unit.


Is ROM an optional extra on a computer?

ROM stands for Read only memory. Its not extra on your computer. Operating System cannot load into Ram from hard disk without help of Rom. Rom contains instructions which are used to start a computer


Where is build ROM in computer?

basic input output system


What would happen if you moved the ROM from your computer?

If you removed the ROM chip - then powered up the computer, you would simply get a blank screen. The operating system 'kicks in' because the ROM chip tells it to start.


Can you run an operating system of a DVD-ROM?

Yes you can however the DVD-ROM must be made bootable and it will run with the RAM in your computer.


ROM preserves its contents even when the computer is what?

Off ROM (Read Only Memory) is typically used to write permanent data or instructions to a system for use even after the computer is turned off. Examples of ROM are your BIOS and Firmware


Role of rom in computer?

First of All ROM stands for READ ONLY MEMORY the role of ROM in computer is to store all the Information about any computer hardware such as the processor speed, CD-ROM/DVD-ROM drives etc. It is a permenant memory which contains also BIOS (basic input output system) configuration and settings.


Is the form of memory that hold the instruction the computer need to start up and doesn't erased when the power is turned off?

It is Read Only Memory(ROM) BIOS, basic input/output system, is the system that first runs when a computer is powered on. The software is contained on a ROM chip on the mothrboard and is responsible for executing the boot sequence for different peripherals and the operating system


If you have files that you no longer need on your computer what should you do?

If you're ABSOLUTELY sure you no longer need them on your computer - and they're not needed by the operating system (or other programs)... Copy them to a DVD-ROM (as a back-up in case you need them at a later date), and delete them from the hard drive..


What is Software responsible for booting the computer and system tasks?

it is the bios ( basic input output system) located in ROM


Where is the operating system stored in the Cow?

ROM(read only memory) is the place where the operating system is stored in the computer. == == Ok, it doesn't take Einstein to realise that ROM cannot be updated. So if you want the ability to upgrade an operating system, it can't be on ROM. Also consider disk costs v memory costs. Again, you do not need to be a Nobel Prize winner to figure it out.