The oral mucosa in the area of crenation is usually of normal color, but there may be erythema (redness) if exposed to a high degree of friction or pressure. Crenated tongue is usually asymptomatic and harmless.
ROM stands for read-only memory. It's used to store the start-up instructions for a computer, also known as the firmware. Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.
There are glaring differences between the RAM and the ROM. Difference Between RAM and ROM. â¢ RAM is Random Access Memory, while ROM stands for Read Only Memory. â¢ RAM is volatile and is erased when the computer is switched off. ROM is non-volatile and generally cannot be written to.here are glaring differences between the RAM and the ROM. Difference Between RAM and ROM. â¢ RAM is Random Access Memory, while ROM stands for Read Only Memory. â¢ RAM is volatile and is erased when the computer is switched off. ROM is non-volatile and generally cannot be written to.