RAM (Random Access Memory). .
SRAM D-, , . . . .
DRAM , , . , . , (), , . , 6 . , , ( ). , .
FPM (Fast Page Mode). . , . [ (PM RAM) : , (), ( + ) . ].
EDO (Extended Data Output). , . , .
SDRAM(Synchronous DRAM). . . , . , , . 4,8 16 , . .
DDR (double data rate). , . , 200 2 8 200 . . 3.2 .