Dukarai experiences. Take for example the PS4 (PlayStation 4),

Dukarai Richardson-Burgess

Michael Simmons

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CIS 2278

29 January 2018

What is Memory?

Memory has two
meanings. The first would relate to the memory of the computer, such as the RAM
and other components like it. The other would relate to the storage of the
device. The storage could include CDs and DVD ROMs, and other optical disks and
forms of those two disks that are used to store data. Flash drives and SD cards
are also seen as storage.

Flash drives are
getting bigger and bigger in size, as they range from 8GB all the way up to a
TB. The TB SD card is only a prototype as 1TB is a lot to store on the tiny
card, and the speed is not as fast as the regular ones because they cannot
handle the data as quickly. Many modern devices contain large storage
capacities so that consumers can download and have better experiences. Take for
example the PS4 (PlayStation 4), the slim version comes with either 500GB or
1TB or storage so that the player can store many games. Games are getting
larger every year, some require 80+ GBs of storage and most people will not
just own one game so storage demands are continually going up. The PlayStation
memory is an internal hard drive that can be upgraded by buying a larger
version. Even though you would normally use an internal hard drive to get more
storage, there is now the option to use an external hard drive to increase your
storage capacity. These can be used simultaneously with the internal hard drives.
Most external hard drives have USB 3.0 to enable them to communicate data at a
speed that would allow the player to play the game without waiting for
information to transfer.

There are
several types of hard drives or storage devices, such as Hybrid drives, regular
HDDs, SDDs and then all of the optical drives. The first type of hard drive I
will talk about is the original hard disk drive. It has three main components; firstly,
there is the controller that controls the drive itself. Secondly is the Hard
disk, this is the actual disk that information and data is saved on and
retrieved from. Lastly, there is the Host Bus Adapter, which enables the
computer to read the signals coming from the controller. Other than these three
components, there are several other parts present within the hard drive. The
first parts are the platters where all of the data is stored and those platters
are divided into tracks and then divided into sectors. These tracks and sectors
are then divided into clusters. The maximum for a single drive is 2TB because
of the amounts of tracks and sectors that create the limit of byte, but can be
exceeded when using more than one device or using a RAID setup. These drives
have a speed that ranges from 5400 RPM (Rotations per Minute) to 12000. The
standard PlayStation 4s have an RPM of 5400 or 7200 depending on the drive but
that is ideal for the PlayStations because the increased drive speed will not
do much good, but probably increase the sound and heat production.

The next type of
hard drive is a SDD, which is a Solid State Drive. These drives are faster than
HDDs, consume less power, and therefore produce less heat. Being that they have
no moving parts, they are more reliable than the others are but they usually
would not last as long. Overall SSDs are more expensive than HDDs. A 1TB
internal SDD from Samsung costs 480$ while a regular WD 1TB internal HDD costs
only 50$ which is a large difference. However, using internal drives is not the
only option because there are external portable hard drives. There is a 1TB
external HDD from Seagate that costs only 55$ which is very cheap compared to
the external SSD supplied by Samsung that goes for 350$. From this, it is clear
that HDDs are the more affordable choice and many gaming consoles and laptops
will not require a SSD at any point. There is also the option to use one of two
hybrid drives. The first is called a SSHD, which is a Solid State Hybrid Drive.
This is practically a combination of a standard HDD and SDD, which improves
upon the performance of having a HDD by itself. The next option is a Dual-Drive
Solution, which means having two drives in one computer. Usually one is a HDD
and the other is a SDD but it is possible to use two SDDs.  

The next type of
storage are Optical Storage Drives. These are the disks like DVDs and CDs.
There are several different types of DVDs; the first is a DVD-ROM, which is a
disk that cannot be changed, which can be seen from the ROM or Read Only Memory
suffix. The next types are the DVD-R and the DVD+R. These are just like the
DVD-ROM except for the fact that when you buy them they are blank, which allows
you to write whatever you want on them, and then they become DVD-ROMs that
cannot be changed. The last types of DVD are the DVD-RW and the DVD+RW, which
are the same as the previous ones except for the fact that they can be written
and erased repeatedly. Another type of DVD is the BD, which stands for Blu-ray
Disk, which is just an improvement in quality and storage capability over the
standard DVDs. Now for the CDs, they are similar to the DVDs as their main two
forms are CD-R which can be burnt to only one and then there is the CD-RW,
which stands for Compact Disk Rewritable, and as the name suggests, it can be
written to more than once.

There is a type
of drive called a SATA or otherwise known as a Serial AT attachment drive. This
is actually the connecting device that SSDs and some HDDs use to transfer data.
The older type of these is IDE, or Integrated Drive Electronics that were
present in the IDE PATA, which was the predecessor of the SATA. Another type of
storage medium is a RAID, which is a Redundant Array of Independent Disks. This
implements several separate drives to perform their read/write functions in
conjunction to improve access speed and stop data from being lost. The next
type of storage is Tape Backup, which uses magnetic tape to store large amounts
of data. These are much more reliable than other drives and because of this; large
companies or enterprises store large amounts of data in them. Tapes are much
older and have stood the test of time as they are still being used today. They
are more susceptible to harsh weather conditions but most companies that have
them in use have accounted for that.

1128 Words




Quentin et al. Comptia A+. 3rd ed., Hoboken, Sybex Imprint, 2009,.

https://www.newegg.com/ ~ where I got the prices.



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