Memory


 * Memory-** Data storage.
 * RAM- Random access memory
 * Read, written and accessed in any order.
 * Volatile memory- Cleared when switched off.
 * Holds programs running
 * Main memory
 * ROM- Read only memory
 * Read only.
 * Permanent/ Non-volatile.
 * Types
 * Programmable read-only memory.
 * Clear at first, company puts in data.
 * Erasable programmable read-only memory.
 * Same as PROM but can be erased using a special light.
 * Electrically erasable programmable read-only memory
 * Can be reset.
 * (Main memory)
 * Immediate-access store.
 * Memory immediately available to the CPU.
 * RAM and ROM
 * Flash Memory
 * EPROM
 * Commonly used is for the BIOS
 * Often removable