notes

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ram is the memory used by programs that are running

ram is volotile, it will wipe itself clean when the computer is turned off.

dram dynamic ram

static ram sram

dram refreshes every 2 millerseconds

sram does not refresh but hase more gates

sram used in remote controle

dram used in computers

rom

read only memory

it holds codes and instructions that cant be changed.

it is a hard wired chip on the motherboard.

bios- basic input output system