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I am new to networking. I just basically want to know whether we can actually get to know the no of persons logged onto our network. Since i am in a university we have the same proxy address and the IP is also same. So is it possible.
Strictly speaking, this question should be asked on superuser.com.
It depends a bit on your network. If your internal IP addresses are dynamically allocated, your administrator will be able to see how many of them have been requested. He may also monitor the traffic, and see from his statistics how many addresses have actually been seen as active. If your network uses authentication, he may monitor the valid logins over time.
Which of these you define as 'people on your network' is a bit up to you. Real people don't have that kind of interface.
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What is meant by a local area network configuration, as opposed to a local area network? or any network configuration for that matter.
What does it refer to exactly?
As it's name would imply, a LAN configuration refers to the parameters that defines the network, such as the network mask, security protocol in use, access control, IP (if a TCP/IP network) address delivery method, etc.
Btw this question is quite vague. If you're looking to know more about networks, you should start by some readings, and could possibly try out some online configuration exemple such as this one
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I have ssh access to several machines at our university computing center, but they only allow connections from within university network which means I have to go on campus everytime I need to run a simulation, collect results, etc.
Is there any way to make my IP address have a specific prefix so that ident protocol on that machine allow me access? I don't expect a specific or complete answer just give me hints where should I look.
You cannot make your IP address have 'specific prefix'. However, if you have SSH access from outside world to your campus computer, you can use port forwarding to access in-network resources.
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I know this may not be the correct place to post this, but how do I know if a certain chip is dead? My friend has this Atmega32 and he seems to have connected it to 9V battery for a minute maybe.. He's unsure about it, but I think the chip is damaged, So, is there any way to check if that is the case?
You have read the datasheet right! - the Electrical Characteristics section.
Even if it appears to work, parts of it may have failed, or stressed to the point that they will fail soon. Any necessary over-voltage protection should ideally be designed into your circuit's power-supply design.
Does it program? Do the I/O ports work? Did it emit magic smoke?
Likely, its dead.
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I am wondering about how to enable anonymous posting of question and answer in a OSQA website, like stackoverflow.com does. If OSQA does not support this feature yet, can you please give me a short brief on how can I implement a such feature like that?
Currently users, that are not authenticated cannot ask questions, post comments and answers. Actually the whole concept of Q&A community is based on user authorization. Just try to imagine a "community" where the one who asks is unknown (or call him a guest, if you like), and the ones who answer and comment are also unknown users.
Personally I don't think that the registration process is painful. Actually it's maximally simplified and users can get registered in less than a minute. Anyway, will be glad to hear how you think it can be improved.
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How do you connect these to your computer? Which one would be easier to burn?
The information you seek can be found by comparing the data sheets: AT89C51, AT89S51, however you will see in this first link that it states:
Not recommended for new designs. Use AT89S51.
So that probably makes your last question irrelevant, you should use the AT89S51 regardless.
With regard to your second question (which I interpret as "connecting to a development host"), I suggest that you use an off-the-shelf development board unless you have the means and skill to produce your own. In-system programming can be achieved through the UART (there's an app. note in the link above), so you'll need a PC with an RS-232 serial interface and a NULL-Modem cable (the latter may come with the board). If you do not have a serial port on your PC, get a USB serial port adapter.
Obviously you need the development tools; at leas a compiler, and for debugging you'd benefit from an emulator; again the link above has references to tools.
Overall; read the manufacturer's documentation is the answer to all your questions! ;-)