Memoria Ram

"RAM" redirects here. For other uses of the word, see Ram (disambiguation).

Example of writable volatile random-access memory: Synchronous Dynamic RAM modules, primarily used as main memory in personal computers, workstations, and servers.Computer memory types

Volatile

DRAM (e.g., DDR SDRAM)

SRAM

In development

T-RAM

Z-RAM

TTRAM

Historical

Delay line memory

Selectron tube

Williams tube

Non-volatile

ROM

PROM

EPROM

EEPROM

Flash memory

Early stage

FeRAM

MRAM

PRAM

In development

CBRAM

SONOS

RRAM

Racetrack memory

NRAM

Millipede

Historical

Drum memory

Magnetic core memory

Plated wire memory

Bubble memory

Twistor memory

Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time. Strictly speaking, modern types of DRAM are therefore not random access, as data is read in bursts, although the name DRAM / RAM has stuck. However, many types of SRAM, ROM, OTP, and NOR flash are still random access even in a strict sense. RAM is often associated with volatile types of memory (such as DRAM memory modules), where its stored information is lost if the power is removed. Many other types of non-volatile memory are RAM as well, including most types of ROM and a type of flash memory called NOR-Flash. The first RAM modules to come into the market were created in 1951 and were sold until the late 1960s and early 1970s. However, other memory devices (magnetic tapes, disks) can access the storage data in a predetermined order, because mechanical designs only allow this.

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