Memory 2

    ROM (Read Only Memory)

    After we know the first memory type RAM having the character of volatile, secondary memory type is ROM (Read Only Memory). ROM represent n gathering from containing chip part of operating system which required at the (time) of computer flamed. ROM also known as a firmware. As according to its name Read Only Memory, ROM represent the difficult memory type or is not possible to be rewritten, this matter differ from the RAM having the character of easy to to be read and writed. Data exist in chip ROM come from its factory with the kept instruction or program in it. Single the way of to change the konten by let-off from computer and change by ROM other. Chip ROM can contain the program which  often used, like computing routines to calculate the root a number and others.

    Other difference between RAM and ROM is ROM have the character of the non-volatile memory because all data kept immanent ROM when is not emited a stream by the current electrik. Thereby ROM represent the ideal place to place the instruction of startup PC – namely software which boot system ( BIOS).

    BIOS (Basic Input-Output System) representing very critical shares from a[n operating system, which its function inform the computer [of] how to accessing disk drive. When computer flamed, RAM still be empty and instruction exist in ROM BIOS used by CPU to look for the containing disk drive especial file in operating system. Computer then remove the the file into LOUVRE and then run it.

    Have differentiated the function from LOUVRE and ROM, even its name much the same to in the reality type and its function differentiate. There still two memory type again lho, read in next article...