ROM (Read Only Memory) is not affected however RAM (Random Access Memory) is affected and erases when power is switched off. No damage is done to either as they are both designed to function this way.
If I was to purchase a computer that is a average desktop computer how much RAM and Rom should I have?
RAM
The computer is pulling from the hard drive information and is putting into RAM by using software that is burned into the ROM.
Ram Rom PROM
ROM isn't erased when you turn the power off, whereas RAM is.
ROM
D-Ram. It's a car, smartass.
When purchasing a computer, you need only be concerned with the RAM. All computers have ROM, but for the most part, the type or amount of it will make no impact on any aspect of the computer's operation. Since no applications you run are going to rely on ROM for storage, that leaves only RAM.
ROM is burned with a ROM/PROM burner (small computer with pin outs for a lot of IC's) - RAM is filled by the motherboard/memory controller on a mainboard.
ROM is memory the computer will remember. RAM is memory the computer will loss when you turn off the computer.
Is to enable the computer to perform faster
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