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    what is server how it work?

    Hello,
    What is server how it work and some say that forum also have server how it is connected to internet?
    is google and internet same things?/

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    Re: what is server how it work?

    Server = the thing that serves you. You are a 'client', using the services provided by a server.

    Edaboard has a server to hold the files, message database and to prepare the pages you are looking at.
    Google has lots of servers to run it's search algorithms, hold it's database and prepare the search pages for you to look at.
    Every web site has a server behind it to hold the web pages structure, images and text you download.

    The internet is the system the connects servers and clients together. It is a physical network of cables, fiber optic and wireless links that connect you to the web page or data you requested. It has nothing to do with indvidual web sites or companies, it is like a huge 'patch cable' that links two places together. For example, you are a client in India and are connected through the internet to a server in the USA right now. I am also a client, sending this message to the server in the USA through the internet from my office in Wales.

    The internet also has it's own special servers which hold a huge database of web site names (URLs) and the information to route the users (clients and servers) to each other. At the moment you have an IP (Information Provider) address given to you by your local ISP, Edaboard also has an IP address, the internet domain name servers (DNS) make sure your IP address and Edaboards IP address are linked together so you can read this right now. You can think of the DNS as giving instructions on where the two ends of the patch cable are to be plugged in.

    Brian.
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    •   Alt24th June 2016, 10:22

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  3. #3
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    Re: what is server how it work?

    Hello sir,
    my help key is not working anyway.


    The internet is the system the connects servers and clients together. It is a physical network of cables, fiber optic and wireless links that connect you to the web page or data you requested. It has nothing to do with indvidual web sites or companies, it is like a huge 'patch cable' that links two places together. For example, you are a client in India and are connected through the internet to a server in the USA right now. I am also a client, sending this message to the server in the USA through the internet from my office in Wales.
    ok, does internet headquarter is in USA?
    how does these wire,ofc, wireless send so many data and revive it from so many clients in all over world??

    - - - Updated - - -

    How to read more about the working of it to understand in deep?

    - - - Updated - - -

    what is the cost of getting server install?


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    Re: what is server how it work?

    Everything is explained here: https://en.wikipedia.org/wiki/Internet

    A server can be as little as an Arduino or Raspberry Pi, in other words the size of a credit card and very cheap. You can use just about any PC as a server, it is the software on it that makes it a server, not the hardware itself. However, for large server systems there are computers optimized for high data throughput and large storage capacity rather than for things like graphics or sound.

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    Re: what is server how it work?

    A server can be as little as an Arduino or Raspberry Pi, in other words the size of a credit card and very cheap.
    I have used PIC micro can it be also server?
    and which dedicated software is used?

    How the internet contain so many wires remember who is associated with it?

    - - - Updated - - -

    ok, i got this tutorial which explain a lot.

    https://www.youtube.com/watch?v=qSSLHOfb6zM

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    Hello,
    Can one embedded micro controller can connect many computer with it or only one??
    and which programming is used for making pc web server?



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    Re: what is server how it work?

    An embedded micro can probably only communicate with one other machine at a time but each block of data may be small and normally the connection only lasts as long as it takes to send the block then it disconnects. Large amounts of data are normally sent as lots of smaller 'packets' with a connection made and then released on each packet. Do some research on TCP/IP and ethernet packet structure for more information.

    A server needs be nothing more than an ethernet connection, some basic address matching and some storage for the data to be sent or received. The programming language can be any that a PIC compiler or assembler can recognize. Before you ask about designs for a PIC server, consider that the micro may have to handle large amounts of data so storing it internally probably isn't feasible, you will need an interface to external RAM or disc storage. It gets quite complicated to make the PIC do all the network interfacing and disk storage at the same time and at high speed. It is quite a difficult task to write and debug such a program.

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    Re: what is server how it work?

    OK, if we want do with pc then how to do?
    with another computer.



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    Re: what is server how it work?

    Hello,
    I have install server window in my pc how to work with it what is the application?



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    Re: what is server how it work?

    I'm not sure what you mean. The server only runs it's own applications or in some cases the same application as you would normally use but with the user logged in remotely.

    What 'server window' have you installed?

    Brian.
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    •   Alt25th June 2016, 16:17

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    Re: what is server how it work?

    ok, here is screen shot



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    Re: what is server how it work?

    OK, that looks like an FTP server running under Windows.

    You have to configure 'domains' on the server program then put files into them. You can then access the files remotely on your intranet using an FTP program from another computer. By intranet I mean computers connected to the same router or hub as the server but not from outside over the internet.

    If you want to access the files from a different network, for example a friends house some distance away, you first have to map the server ports using a method called "port forwarding". I can't tell you how to do that because the method depends entirely on the router manufacturers firmware but the instruction book should explain the method.

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    Re: what is server how it work?

    what is intranet here???



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    Re: what is server how it work?

    INTRAnet is the network on your side of the modem. Intra means 'within' or 'inside'.
    INTERnet is the rest of the World's networks.

    For example, if you have a modem with more than one computer or wireless device connected to it, they can talk to each other even if you do not have a connection to the internet. The same may apply in an office or a factory where there are lots of computers sharing information, the sales department, the shipping department, the accounts department and so on, they all need to be networked together but not necessarily to the outside world. These are therefore intranet networked.

    There are sometimes things called 'gateways' that can be another computer or a feature of the modem that link the intranet to the internet. For example, I have about 20 systems here that can communicate with each other and they can all use the internet by connecting through a gateway.

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    Re: what is server how it work?

    For example, if you have a modem with more than one computer or wireless device connected to it, they can talk to each other even if you do not have a connection to the internet.
    Hello,
    how to do intranet communicating without internet?
    and i have build a website in past from where or which server was it loaded/save??



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    Re: what is server how it work?

    how to do intranet communicating without internet?
    Something allocates an IP address to each computer connected to your modem/router. Usually it is a DHCP program in the router or modem itself. If you check your computers IP address it will probably be 192.168.x.y where 'x' and 'y' are allocated specifically to you. Another computer connected on the same intranet would be given a different number. Using these numbers you can FTP data from one address to another.

    and i have build a website in past from where or which server was it loaded/save??
    In almost all cases, the web site would be 'hosted' on a fast server on the internet. You produce the web site and upload it to the server or else you edit it directly on the server. The server then supplies it to anyone on the internet who requests it. The actual server you used would depend on the hosting company you chose.

    Brian.
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    Re: what is server how it work?

    Hello,
    If i search some pdf or file in internet how it work?
    While i type in keyboard it goes where and is it search in india ?
    is there any server located in india?

    - - - Updated - - -

    in my college computer lab there were 50 or more computer connected with internet by boz which blink leds flashes and there was fire wall install in it by host computer how does it work?

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    What is this?



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    Re: what is server how it work?

    If i search some pdf or file in internet how it work?
    While i type in keyboard it goes where and is it search in india ?
    is there any server located in india?
    1. when your computer connected to the network, it would be allocated an IP address by your networks DHCP server (or you could have a fixed 'static' IP address).
    2. You entered the name of a search engine, Google for example.
    3. The network sent a message saying "Ritesh's IP address wants to know Googles IP address" to the DNS (Domain Name Server)
    4. The DNS sent a message back to your IP saying "Googles address is xxx.xxx.xxx.xxx".
    5. Your computer sent a message to Googles IP address saying "Please tell me where I can find this file".
    6. Google searches for the link in it's database
    7. Google sends a message back to your IP address saying "I found it! - this is the link".

    There are search engines all over the World. With so many searches happening - billions every day - it would not be feasible to do it all through one computer. What they do is run many computers around the World and 'mirror' them, in other words keep all their contents identical by them sending updates to each other all the time. When you request the search engine, the DNS will give you the address of the nearest one to you.

    I would guess there are around a million servers in India !

    in my college computer lab there were 50 or more computer connected with internet by boz which blink leds flashes and there was fire wall install in it by host computer how does it work?
    I'm sitting here with 35 flashing LEDs beside me! The box is a 'hub', it provides lots of connections between computers and the flashing lights are indicating data is flowing to or from one of the computers. The system used between computers is called "Ethernet", it is an electrical standard for carrying network data that uses 8 wires and an RJ45 plug at each end. For safety and reliability, it does not have a direct electrical connection between any of the 'ports' (the sockets) but uses magnetic coupling through a transformer instead. For example, if one of the 50 computers in your lab broke down, you wouldn't want to risk electrocuting the other 49 users! As all the ethernet links are carrying data all the time, you can't just wire them all in parallel, each socket has an isolating transformer behind it and a small data buffer to capture and hold a packet of data until the controller IC has time to process it. The "firewall" is named after a wall built between buildings so if one catches fire it doesn't spread next door. In networking, it blocks certain IP addresses from others so they can't see each other.

    The picture is a NAS box. NAS = Network Attached Storage.
    It is basically a box containing up to four hard disks and two power supplies (in case one breaks down). Your computer has a hard disk inside it which stores your operating system, programs and your work. The NAS is the same except it is located on the network instead of inside your computer. They are used for two reasons, one is they are designed for reliability so you don't lose everything if one disk breaks down, the other is to make data easier to share when lots of machines need it. For example, if other people were using data on your own hard disk and you switched off at the end of they day, they wouldn't be able to access it. If the data was stored on NAS and it was powered up 24/7, they could reach it at any time of the day or night. NAS hard disks are usually wired in "RAID" configuration (Redundant Array of Inexpensive Disks) and have special interfaces so they duplicate the information on them. If one disk fails, the other copy takes over and they are 'hot pluggable' so the bad drive can be pulled out and a new one fitted without turning the power off. The one in the photograph shows it's IP address as 192.168.0.1 which is normally reserved for the network controller so I would guess the picture was taken when it wasn't atached to a network and a usable IP address hadn't yet been allocated to it.
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    Re: what is server how it work?

    A server is a computer that serves information to other computers. These computers, called clients, can connect to a server through either a local area network (LAN) or a wide area network (WAN), such as the Internet.



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    Re: what is server how it work?

    how to make server with pic16f877a?



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    Re: what is server how it work?

    Thats like asking a bicycle to pull a cargo ship across an ocean. Yes, it is possible but consider the only remaining storage space for your files will be the remainder of the 8K of memory after all the server software itself is installed in it. You might, if lucky be able to store one or two words of a plain text file.

    Consider why servers normally use super fast processors and have many Gb of RAM and disk storage. The 16F877a has 8K in total of storage, no disk or reasonable possibility of adding a large one and it has 368 bytes of RAM !

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