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They do no know where there computers are in physical locations. However DHCP servers auto assign ip address witch can be found to open ports to that computer. They also use MAC addresses witch each network card that has there own mac address.

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What is a good reason to know your IP address?

An IP address is a unique network that you are assigned each time that your computer connects to the Internet. A good reason to know what your IP address is so that you will know the details of your Internet connection.


Can your ip address give information out to hackers?

Your IP address is like your house address, but for your computer. It is used for other computers to know where your computer is located on the internet. In this sense, say that burglars know your home address, yet you have a security system, this will keep the burglars out. Well a firewall has the same affect as a home security system.


When you are connected to the Internet why does your computer require an IP address?

just like the u.s. postal system, it requires an address to know where to deliver packets


What do you mean IP?

an ip or internet protocol is a numeric label assigned to devices in a computer network utilizing a ip for communication between its nodes. An ip address serves two principal functions in network : network interface identification and local addressing.


How do you know if you have a standalone computer?

If you have a computer which is not connected to Internet (or other networks, LAN, Wireless network...) you can call it a standalone computer.


Why can a computer find your IP address?

The reason that a computer can find your IP address (And the reason you HAVE one in the first place) is so that while you are using the internet you will be only receiving webpages that only your computer requested. If this were not the case then this answer would not know where to go; and everything else on the internet would lose it's way too.


What is IP address Explain how will you get IP address of a computer system?

an ip address is much like the address to your house. it lets other devices know where your computer is on the particular network. I.P stands for internet protocol. to get an ip address on a particular system on a local home network you go to your internet connection details and it will be listed under IPv4 or IPv6 depending on what kind of network you have. If you want to figure out the I.P for the router that will be listed under default gateway. If you want to find the I.P of your ISP's address they have given to your connection then go to whatismyip.com


How information is transferred from one computer to another on internet?

In order to transfer information across the Internet, a computer needs to first know the IP address (Internet Protocol - A postcode, if you would) of the computer that will bereceiving the data. Then the information is bundled intopackets, little packages of data with the IP address, other addressing and error-checking data and the actual information that is being sent. Then, these packets are sent down to your ISP (Internet service provider). From there it travels along the quickest path it can, across multiple networks, major servers, etc. (i.e. it goes across the Internet by the path it can find) until it reaches the computer it is intended to go to. The multiple routers and other pieces of network hardware help to 'point' the packet to the correct computer (this is where the IP address comes in.)For more info, here's a helpful linkhttp://computer.howstuffworks.com/question525.htm


What is 172.132.230.223?

That would be your IP or computer adress. Every computer has a different address that other computers can see and know where to send information.


When you request a webpage how do the text and graphics know how to get back to you?

Every computer on the Internet is assigned a unique IP (Internet Protocol) address that works like a return address on an envelope or caller ID on a phone. When a request for information is sent across the web, your computer's IP address is attached to that request. The receiving web server then directs the appropriate files to be sent back to the computer that originated the request.


How do you know the IP address of others computer form my computer?

To find another computer's IP address on your network, you can use a scanning program like "Advanced IP Scanner". You could also access your router and view a list of connected IPs from there. There is no simple way for you to find out the IP of another computer over the internet however. It would be best for the owner of the other computer to find out their IP themselves and then tell you.


What does an IP address do?

An IP address is a number that identifies your computer and the network area it is a part of. Every device directly connected to the internet has a unique address. Home and office machines typically have IP addresses that reflect the hierarchy of the network they are on. You can think of an IP address as being similar to a postal address. It describes where to send data so that it reaches it's destination.