Answer Posted / bilaal

RAM means random axis memory. it is used to store the data
temperarly,until the power is on.It takes the instructions
line by line from the code area and allocates memory for the
Contents.
There are many different types of RAM which have
appeared over the years and it is often difficult knowing
the difference between them both performance wise and
visually identifying them. This article tells a little about
each RAM type, what it looks like and how it performs.

FPM RAM
FPM RAM, which stands for “Fast Page Mode RAM”
is a type of Dynamic RAM (DRAM). The term “Fast Page
Mode” comes from the capability of memory being able
to access data that is on the same page and can be done with
less latency. Most 486 and Pentium based systems from 1995
and earlier use FPM Memory.

FPM RAM
FPM RAM

EDO RAM
EDO RAM, which stands for “Extended Data Out
RAM” came out in 1995 as a new type of memory
available for Pentium based systems. EDO is a modified form
of FPM RAM which is commonly referred to as “Hyper
Page Mode”. Extended Data Out refers to fact that the
data output drivers on the memory module are not switched
off when the memory controller removes the column address to
begin the next cycle, unlike FPM RAM. Most early Penitum
based systems use EDO.

EDO RAM
EDO RAM

SDRAM
SDRAM , which is short for Synchronous DRAM is a type of
DRAM that runs in synchronization with the memory bus.
Beginning in 1996 most Intel based chipsets began to support
SDRAM which made it a popular choice for new systems in 2001.
SDRAM is capable of running at 133MHz which is about three
times faster than FPM RAM and twice as fast as EDO RAM. Most
Pentium or Celeron systems purchased in 1999 have SDRAM.

SD RAM
SD RAM

DDR RAM
DDR RAM, which stands for “Double Data Rate”
which is a type of SDRAM and appeared first on the market
around 2001 but didn’t catch on until about 2001 when the
mainstream motherboards started supporting it. The
difference between SDRAM and DDR RAM is that instead of
doubling the clock rate it transfers data twice per clock
cycle which effectively doubles the data rate. DDRRAM has
become mainstream in the graphics card market and has become
the memory standard.

DDR RAM

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