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What is a Cookie?

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What is a Cookie?

Post by kavinele Fri Feb 05, 2010 10:25 pm

What is a Cookie?

A cookie is a text-only string that gets entered into the memory of
your browser. This value of a variable that a website sets. If the
lifetime of this value is set to be longer than the time you spend at
that site, then this string is saved to file for future reference.

What are the purposes of cookies?

Cookies make the interaction between users and web sites faster and
easier. Without cookies, it would be very difficult for a web site to
allow a visitor to fill up a shopping cart or to remember the user's
preferences or registration details for a future visit. Web sites use
cookies mainly because they save time and make the browsing experience
more efficient and enjoyable. Web sites often use cookies for the
purposes of collecting demographic information about their users.
Cookies enable web sites to monitor their users' web surfing habits and
profile them for marketing purposes (for example, to find out which
products or services they are interested in and send them targeted
advertisements).

Are cookies dangerous?

In a nutshell the answer is no. Cookies are small pieces of text. They
are not computer programs, and they can't be executed as code. Also,
they cannot be used to disseminate viruses, and versions of Internet
Browsers such as IE, Firefox etc.. allow users to set their own
limitations to the number of cookies saved on their hard drives.
However, as i said in the previous paragraph, some cookies do track
internet browsing and provide a certain level of infomation that the
user may not warm to. The truth is that revealing any kind of personal
information opens the door for that information to be spread, but we
are talking about primitive internet usage and not your bank details.

How do Browsers handle Cookies?

Most browsers offer the following cookie choices:

Accept all cookies
Accept only cookies that get sent back to originating server
Disable all cookies
Warn me before accepting a cookie.

How to Delete and Control Cookies?

You can easily delete cookies from your computer. You can read how to do this here
You can also control the amount of cookies that make their way onto your computer. You can read how to restrict various cookies here

What is a Cookie? Questionmark

If you are interested in reading further, I recommend that you read one of the following recommended sites:

kavinele: இளையநிலா; பதிவுகள் : 946
இணைந்தது : 14/09/2009

ஈகரை தமிழ் களஞ்சியம் :: தகவல் தொடர்பு தொழில் நுட்பம் :: கணினி தகவல்கள்

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