Token Ring~ Explained

Token ring local area
network (LAN)
technology is a protocol
which resides at the data
link layer (DLL) of the
OSI model . It uses a
special three-byte frame
called a token that
travels around the ring.
Token-possession grants
the possessor
permission to transmit
on the medium. Token
ring frames travel
completely around the
loop.
Initially used only in IBM
computers, it was
eventually standardized
with protocol IEEE
802.5 .
The data transmission
process goes as follows:
Empty information
frames are
continuously circulated
on the ring.
When a computer
has a message to send,
it seizes the token. the
computer will then be
able to send the frame.
The frame is then
examined by each
successive workstation.
The workstation that
identifies itself to be
the destination for the
message copies it from
the frame and changes
the token back to 0.
When the frame gets
back to the originator,
it sees that the token
has been changed to 0
and that the message
has been copied and
received. It removes the
message from the
frame.
The frame continues
to circulate as an
"empty" frame, ready to
be taken by a
workstation when it has
a message to send.
The token scheme can
also be used with bus
topology LANs.
A type of computer network in
which all the computers are
arranged (schematically) in a
circle. A token, which is a special
bit pattern, travels around the
circle. To send a message, a
computer catches the token,
attaches a message to it, and then
lets it continue to travel around
the network.
Also see token passing.
For network diagrams, see Network
Topology Diagrams in the Quick
Reference section of Webopedia.
(2) When capitalized, Token Ring
refers to the PC network
architecture developed by IBM. The
IBM Token-Ring specification has
been standardized by the IEEE as
the IEEE 802.5 standard.
Definition: Token Ring is a data
link technology for local area
networks (LANs) . It operates at
layer 2 of the OSI model .
How Token Ring Works
Unlike all other standard forms of
LAN interconnects, Token Ring
maintains one or more common
data frames that continuously
circulates through the network.
These frames are shared by all
connected devices on the network
as follows:
Characteristics of Token Ring
Networks
Token Ring was developed by IBM
during the 1980s as an alternative
to Ethernet . Starting in the 1990s,
it significantly decreased in
popularity and gradually was
phased out of business networks
as Ethernet technology began to
dominate LAN designs.
Standard Token Ring supports only
up to 16 Mbps. In the 1990s, an
industry initiative called High
Speed Token Ring developed
technology for extending Token
Ring to 100 Mbps equal to
Ethernet, but insufficient interest in
the marketplace existed for HSTR
products and the technology was
abandoned.

Computer Acronyms

Here are some of the most comonly used Computer related Acronyms

For those who may not know Acronym is a word formed from the initial letters of other words
I will also post some misc images which will give you more of them!

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Custom ROM and their Power~Explained!

I have explained about android rooting in my previous article and had mentioned about Custom ROM’s but most of you maybe don’t know
that much about it and what
possibilities,benefits but also risk
come with it.This article is meant
to guide you through all of this,I
want to bring you closer to custom
ROM’s in general so you can
decide for yourself if its worth the
effort and the risk.

What is it good for?

Displays & Resolutions ~ Explained!

When we’re checking out the hot
new mobile gadgets hitting the
market, or shopping for an
upgrade, we’re often-times dazzled
by internal components. Does it
have a dual core or quad core
processor? How much memory
does it have? What kind of ports?
How big is the battery? Many of
us, though, don’t put quite as
much consideration into the one
key component that will have the
most use of all: the display. There
are so many kinds of mobile
display types, and sorting through
which display type offers which
kind of presentation experience can
be a little confusing. They may be
labeled as TFT LCD, AMOLED,
Super AMOLED, Super AMOLED
Plus, IPS, or many others. While
we’re busy picking from our
favorite designs, colors, or
included features, we sometimes
pass over just what display type
we’re taking home with us for the
next 18 months or more. Choosing
the right display can be the
difference in how rich your colors
are, how much power it consumes,
or how well you can see the
display when you take it outside.
However, you’ll never worry about
that again! Here’s a handy guide
to knowing your mobile display
types, and what they mean.

Everything about Rooting~Explained!

This article is based on everything related to Android Rooting

Disclaimer: Everything I mention
may void your warranty and
potentially ruin your device. I am
not responsible in your decision
making on whether or not to
unlock and root your device.

So you just bought a fancy new
Android device and want to root it,
throw a custom ROM and kernel in
it and be part of the cool crowd,
only you don’t know what any of
that means.  Asking what the
benefits of rooting are is probably
one of the most asked questions
on every major android message
board out there. What I’m gonna
try and do is explain, in layman’s
terms, what root means and what
you can do when you are rooted.
This is not a rooting tutorial, sorry
guys
Lets Begin

Facts about Android!

Android,

a recent Google product has become one of the most popular Operating Systems currently and is creating allot of buzz these days.. But do you exactly know its origin and how it became so popular?

Find out here!
In this article I will be listing some of the facts about Android which many of you may not be knowing!

Check out!

1. Android Version 

DROPBOX- SImplify Your Life!

"Always have your stuff where ever you go" - Dropbox

 

Days are changing!

And Storage options are also getting changed and improved with time!

From larger disks to CDs & DVDs to small Flash Drives and now to the Cloud!

Cloud Storage has been increasingly in buzz these days.. But still many people still wonder its use and are often confused behind the idea and logic for this type of storage.. Lets discuss the use and motive of these cloud storages.. For this explanation.. I will be taking the example of the very famous- Dropbox!

What is Dropbox?

It is a website which provides online storage (free-2gb) and also makes file sharing easy.We can keep our files where ever we go or we can say we can have access to all your data from anywhere in the world.It can also be used for online backup.

Features  of dropbox:-

1)One of the great feature of dropbox is automatic uploading . We just need to copy the file to the dropbox folder to upload it. There is no need to log on to the dropbox account whenever we need to upload the file.

Transform Windows to a Mackintosh!

Do you want the look and feel of Apple PCs but still want to work on the simplicity of Windows platform?!

No worries.. Theres a handy and easy solution!

Get Lion Transformation pack 1.0 which transforms your Windows OS to Apple's Macintosh OS.

It is a nice theme check out some of the screen shots here : -

What are CAPTCHAs

"Because we care, we're security aware"

Whenever we create an account on any website or comment on any blog we see scrambled words 
which we have to type and continue these are CAPTCHAs .  

What are CAPTCHAs and what they do?

It stands for Completely Automated Public Turing-test to tell Computers and Humans Apart.These tries to test that you are a person and not a auto filling software.

Google Doodle~Explained!

You must have heard this term being used many a times..but ever wondered what exactly it means and why was it framed? Here is the ans to all about Google Doodle!

The Google Doodle is an
artistic version of the
Google logo .Google
Doodles represent events
like holidays,
anniversaries, or current
events. 

The Google Doodle are those cool logos you see on the Google search page.These logos are often animated and interactive. The logos often coincide with major holidays or world events.Originally designed by Googlers the general public can now submit designs for the Google Doodle.
Some of the
doodles were limited to
Google's country specific
home pages while others
appeared globally.
Google had posted about
260 doodles in the year
2011. In 2012, Google
continued its trend to
doodle on the occasion
of New Year . The New
Year doodle, infact was
a continuation of the
Google Doodle featured
on December 31, 2011.

How to remove the drive letters?

Are you annoyed by the little letters that remain just after your drive name?

Dont worry now!

After reading this article you will be able to get rid of all those tiny annoying letters and have a clean Drive name as shown in the above image ;)

Just follow the following steps!
For windows 7
-Open My Computer. 
-Click on Organize below the address bar and click on "Folder and search options".
                         Or
Press "Alt" key. Menu bar appears. Click on tools on Menu bar Then click on "Folder options"

-In Folder options Click on View.

-Look for "Show Drive letters" in Advanced settings.
-Uncheck the box.
-Click Apply then click Ok.

For windows XP.
-Click on Tools in the menu bar.-Then Click on Folder options.
-Click on View.
-Look for the "Show Drive letters"
-Uncheck the box.
-Click Apply then click Ok.

I hope this article of mine was able to help you out with getting rid of the Drive letters.
Be sure to comment any other query which you want to be covered in this article!
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RAID Explained!

Whether you're looking to optimize performance on your small business server or you just want to defend against total data loss on a NAS box, you need RAID. But what the heck is it, and which RAID do you need? RAID 0? RAID 1? RAID 10? Don't worry, we'll help you pick.
Anyone who's ever looked into purchasing a NAS device or server, particularly for a business, has inevitably stumbled across the term "RAID." RAID stands for Redundant Array of Inexpensive or (the more marketing-friendly "Independent) Disks." In general, RAID uses two or more hard disk drives to improve the performance or provide some level of fault tolerance for a machine
On most situations you will be using one of the following four levels of RAIDs.
RAID 0
RAID 1
RAID 5
RAID 10 (also known as RAID 1+0)
This article explains the main difference between these raid levels along with an easy to understand diagram.
In all the diagrams mentioned below: