CPURegister

CACHE

LELVEL1

LEVEL 2

RAM

Physical RAM Virtual Memory

Storage Devices Types

Hard DrivesROM/

BIOS

Removable

Drives

Internet

Storage

Temporary

storage

areas

Permanent

storage

areas

VolatileMemory

Requires power to maintain

stored information.

Faster than other mass

storage devices.

Low cost.

Non-VolatileMemory

Can get back stored information whenever required

Slower than the volatile memory devices.

High Cost.

PROM EPROM & ITS ERASER

EEPROM

Acknowledgment