How storage devices works


The Types Of Computer Memory

How can a computer be such an amazing gadget?where you have to go through other memory
To many people they just can't be so amazedcells before accessing the data that you are
on how computers have changed the way welooking  for.
live. Computers can now be found in many
sizes and shapes. Almost every home applianceOther types of computer memory include the
seems to have their own mini computer locatedROM or Read Only Memory. ROM is an integrated
somewhere. From cars to buildings to almostcircuit already programmed with specific data
every gadget there is, most of the time eachthat cannot be modified or changed, hence the
one has a computer working to make them runname "Read Only". There is also another type
and  change  the  very  way  we  live  life.of computer memory called Virtual Memory.
This type of memory is a common component in
First and foremost, the most importantmost operating systems and desktops. It helps
component of the computer is its processor.the computers RAM to be freed up with unused
It is considered the heart of the computerapplications to make way for loading current
that does all the calculating and processing.applications being used. It works simply by
But with all that calculating and processing,checking for data stored in RAM not being
the computer won't be such a remarkableused recently and have it stored in the
gadget if not for its amazing memory.computer's hard disk, thereby freeing
Computer memory makes it possible to retainvaluable space in RAM for loading other
important information on a computer. Suchapplications. A virtual memory will make a
data can be used again and again andcomputer think that it has almost unlimited
retrieved when a certain stored data isRAM  inside  it.
needed. Without the computer memory, the
processor will have no facility where toAnother type of computer memory that has made
store its important calculations andcomputers process tasks faster is what is
processes,  thereby  making  them  useless.called cache memory. Cache memory works
simply by having current applications,
There are different types of computer memorycalculations and processes stored in its
tasked to store different types of data. Theymemory instead of directly to the main
also have different capabilities andstorage area. When a certain process is in
specialties when it comes to storingneed of data previously used, it first will
necessary data inside the computer. The besttry to access the cache memory if such data
known computer memory is the RAM, otherwiseis stored there before accessing the central
known as Random Access Memory. It is calledmemory storage area. This frees up the
random access because any stored data can becomputer from looking for the data in a
accessed directly if you know the exact rowlarger and bigger memory storage area and
and column that intersect a certain memorymakes data extraction faster. Computer memory
cell. In this type of computer memory, datais in a constant state of development as more
can be accessed in any order. RAM's exactand more technologies are being developed.
opposite is called SAM or Serial AccessWho knows, maybe in the near future computer
Memory, which stores data in a series ofmemory might also be fit for human
memory cells that can only be accessed inconsumption.
order. It operates much like a cassette tape



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