What is Network: Definition and 462 Discussions

Network (stylized NETWORK) is a national Catholic social justice lobby headquartered in Washington, D.C. The organization focuses its lobbying efforts in the areas of economic justice, immigration reform, healthcare, peace making and ecology. Sister Simone Campbell is the executive director of NETWORK.

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  1. D

    How to solve the infinete resistor network

    find resistance between A & B :bugeye: I'm sure it's not 1 ohm but i don't know how to solve http://www.pantip.com/cafe/wahkor/topic/X5389102/X5389102-1.jpg
  2. D

    What is the Circuit for a Diode OR Gate with a 12V Battery Backup?

    Hi! http://www.phys.uAlberta.ca/~gingrich/phys395/notes/node71.html" 's an electrical network for a diode OR gate. It says there that "[t]he 12 V battery does nothing until the power fails; then it takes over without interruption." I just wonder what electrical circuits (closed loops) are...
  3. A

    How to provide network security on steganography

    I got a difficulty in my final year project.It is made on steganography.But I don't understand how to provide network security during data transfer..though we know it theoretically bt dealing it practically is a bit problamatic..In it we are using image file as carrier file ..i need some...
  4. A

    Fixing Slow Internet Connection on Home Network

    I have a small network at home (with all machines running Windows XP and norton internet security). One machine is connected to the internet and shares the connection with the rest. I find it odd that all machines have a decent speed when accessing the web, except the one that serves the...
  5. C

    Network probability problem

    Homework Statement I have a question that's stumped me for a bit. Suppose we have a peer-to-peer network that's used to store replicas of files (such as p2p networks do) that are replicated randomly. And suppose we have the following: peer 1 has files 1, 3, 5 peer 2 has files 2, 4, 5...
  6. T

    Probability question in telephone network failures

    Hi, I have this problem Homework Statement In telephone network, an average number of failures during a month for one telephone owner is 8. What is the probability that some telephone owner will experience more than 4 failures? The Attempt at a Solution I have no idea what...
  7. 0

    "Proving Variable Independence in a Network Using Markov Blanket"

    Is there a simple (meaning, memorable and not just a lot of crunching through probability formulas) proof that a variable is independent of the other variables in the network, given its Markov blanket?
  8. V

    Solve Impedance Network: Resistor & Energy Storage Element in Parallel

    Hi all, I'm stuck on this part of a problem. I have gotten the net impedance between two terminals A and B. The impedance I got was Z=8.39+2.22i Now the question is... The network is equivalent a to a resistor and an energy storage element connected in parallel. Find their values. I...
  9. DaveC426913

    Network sharing and internet access simultaneously?

    I can't seem to get my two computers to see each other on my network. Both computers have direct access to the intenet via a Linksys Access Point / router and DSL. I'm at Add Network Place Wizard and I know the name of the target computer (VIRGINIA) and a shared folder (temp) on it. When I...
  10. marcus

    Spin network euristic for pre-quantum picture

    spin network heuristic for pre-quantum picture this is about Smolin's two most recent http://arxiv.org/abs/hep-th/0605052 Generic predictions of quantum theories of gravity Lee Smolin For inclusion in "Approaches to Quantum Gravity - toward a new understanding of space, time, and matter"...
  11. J

    Need help solving resistor network problems

    this isn't so much of a homework question . I am having trouble with identifying and calcultaing effective resistence for parallel or series connected resistors particularly ones that are very complex to even understand what's going on ... I did look through various websites and books looking...
  12. N

    How to Leave a Network Domain?

    Hi everyone, After recently moving from my workplace to work remotely using a laptop back in blighty, I found my work-borrowed laptop is part of a network domain. This prevents me from using the network wizard to setup a new connection to the internet through my wireless network at home...
  13. A

    Capacitive Network: Calculating Voltage between Two Capacitors

    Hi all, I am new to this group and joined after reading this interesting discussion. In extention th the David, I've one doubt to find the voltage between two capa. Suppose a capa network is like Vsupply(1V)-C1-C2-gnd; Let say Vx is the between node name. Vx1=C1/(C1+C2)*1v =0.5v if C1=C2; Now...
  14. E

    Mathematica What Is the Name of the Process Used to Analyze Network Structures?

    I've forgotten the word for a process I'm trying to remember. This process is the named after the person who suggested it (iirc) and it's used to determine the structure of and processing within a network (anything, jumbled up wires etc). Determination is performed by observing what data is...
  15. Hootenanny

    Setup Remote Access to Home Network with XP Home SP2

    I have a simple wireless network set-up at home. I have a PC connected to a printer and various other peripherals and a laptop. Both machines are connected wireless to a router which in turn is connected to the Internet. Both systems are running Win XP Home SP2. I want to be able to access...
  16. ShawnD

    Setting Up My Home Wireless Network: Lessons & Challenges

    Just today I purchased a new laptop computer with built-in wireless networking. I used this as an opportunity to start my wireless network by also buying a wireless router. After setting this all up using a wired connection, I started to search for available wireless networks. My computer...
  17. F

    Filter Network - (answer does not match books)

    I'm not sure what I'm doing wrong here, as my answer does not match up with the books. Sorry about the scan, it looks kinda bad. ! I made a mistake writing the books answer down. It should be: \bar G_v(j \omega ) = \frac{j \omega C (R_1+R_2)+1}{j \omega R_1 +1} Any help would be...
  18. C

    Can Network Cable Transmission Speeds Be Independently Controlled?

    I was wondering if there is a schematic or if anyone knows of a way to delay the send and/or the receive of a network cable. Preferable separate circuits. For example can I control how fast people on my network receive but not control the send. May be in the wrong place but i really need help...
  19. C

    Improve Network Performance with Delay Control for Send and Receive Circuits

    network circuit design? I was wondering if there is a schematic or if anyone knows of a way to delay the send and/or the receive of a network cable. Preferable separate circuits. For example can I control how fast people on my network receive but not control the send. May be in the wrong...
  20. 9

    Proof of Delta Network Capacitance: Just Curious

    does anyone know a site that offers a proof for the capacitance of a delta network? just curious 93157
  21. B

    Can I Print from a Networked Computer When the Main Computer is Off?

    I have 2 computers connected by a local area network using a router. computer A is physically connected to a printer. computer B is not. Is it possible to print from computer B if computer A is powered off? Thank you.
  22. C

    Zobel network in parallel with a speaker

    a zobel network consisting of a capacitor C and resistance Rc is connected in parallel to a speaker of inductance L and resistance Rl.show that frequency at resonance =1/2pi*Sq rt 1/LC(Rlsquare-L/C ÷ Rc square-L/C) i have begun by equating the reactive components of the branch currents...
  23. T

    Setting Up Multiple Routers in an Apartment Network

    I live in an apartment building where one router is used and every apartment room has its ethernet connection. I'm trying to set up my wireless router in my room. The default ip of the router just has to be different than the other router correct? Can they have the same subnet mask?
  24. DaveC426913

    Network bandwidth troubleshooting

    I continue to have troubles with my residential DSL service. Occasionally (on the order of every half hour or more), my service will just stop working for a minute or so. (Gee, that doesn't sound like a big deal, but really, it makes me want to toss my computer out the window). I'd like to...
  25. C

    Computational Physics: The Future of Network Code Development?

    Would you ever be writing network code as a computational physicist?
  26. K

    Network Neutrality: Implications, Pros & Cons

    Recently there has been a lot of controvesy about network neutrality, that telecommunications companies are planning a multi tiered internet in which some data are prioritised and maybe even blocking certain data. What are your thoughts and opinions on the subject.Ive been looking it up...
  27. K

    Finding Equivalent Resistance in Resistor Network - Can You Help?

    Can someone tell me where I'm going wrong here? I'm uploading a jpeg of the circuit, I'm supposed to find the equivalent resistance between A and B. To me, it looks like R5 and R6 are in parallel and forming Rp56. From there I'm assuming that Rp56 would be in parallel with R3 and then that...
  28. I

    What could be causing my wireless network to keep dropping and how can I fix it?

    I recently bought a belkin 54Mbps/wireless (g) router. i also bought the accompanying wireless pci cards for my two computers. one computer runs windows xp pro and the other runs windows xp home, and a third computer runs windows 98 SE and is connected with ehternet. my problems are with the...
  29. M

    Setup 100baseTX LAN: Tips and Considerations

    I just set up a 10baseT LAN between 2 pcs with an ethernet crossover cable. It operates at 10Mbps, half duplex. I know the ethernet card in this pc supports 100baseTX, and I'm pretty sure the NIC in the other pc does as well. I'd like to set them to 100baseTX and full duplex to try to get a...
  30. E

    After hacking my school network, I have been offered an unofficial job

    I attend an Alternative school, which is a computer based curriculum. There have been several times where I was messing with their network in miscilanious ways :smile: I have been supspended, and even temporary transferred to another school for my activities. But everyone seems sympathetic...
  31. recon

    Can you assist with solving an infinite resistor network problem?

    Could someone be so kind as to assist me in solving the following problem? I have had some basic knowledge of how the effect of multiple resistors add up in parallel in and in series, but I'm pretty much lost on how to solve this problem. Consider an infinite network of resistors of...
  32. P

    How Does the Ford-Fulkerson Algorithm Determine Maximum Flow in a Network?

    Most of you have probably all heard of the max-flow min-cut theorem in graph theory. It says that in a network G=(V,A), the value of a maximum flow equals the capacity of a minimum cut. Then there is the Ford and Fulkerson algorithm to find a maximum flow in a network. For the ones that don't...
  33. C

    Solving Network Nodal Voltages & Voltage-to-Current Conversion Tutorial

    Can someone direct me to a tutorial for solving network nodal voltages. Also need to learn how to convert voltage source to a current source.
  34. P

    Network to connect television satallite dishes

    Does anyone here remember talk a few years ago about setting up a network to connect television satallite dishes to be used for astronomy? the theory was use the dishes overnight when most people are not watching. It could provide a large view and perspective with a surface area surpassing...
  35. Loren Booda

    News Rather, Jennings, and Brokaw retirements - the demise of network news?

    Will traditional television network (CBS, ABC and NBC) news survive the near-simultaneous retirements of their accustomed anchors and the continued restructuring of the information industry?
  36. dduardo

    DDOS Attack Story: "The Digital Extortionists

    I found a security story that is similar to "The Cuckoo's Egg" by Clifford Stoll, but involves a DDOS attack. It is somewhat long, but definitely a good read. http://www.csoonline.com/read/050105/extortion.html
  37. S

    How Can You Find Information on Parallel-Connected LCR Networks?

    I'm currently writing up a physics practical which looked at the resonance of the impedance of an LCR network. I'm trying to look for theoretical information on the internet, but am struggling to find relevant information. The LCR circuit I used had the inductor and resistor in series, then...
  38. T

    Not recogizing the network or even getting internet acess

    I just turned on my computer and a lot of things a screwed up. For one thing its not recogizing the network or even getting internet acess. Which is weird because our cable is working... I am connected now through my laptop. Also I have dual monitor however currently only one monitor is working...
  39. mattmns

    Sony Network Walkman E99 v. Ipod mini

    I am not a huge music junkie, so I do not need one of those 40gb Ipods, but I do want something that is nice and can hold quite a few songs (512mb+). I know many of you probably have an http://www.apple.com/ipodmini/ Any complaints/comments/recommendations from either of these two, or even...
  40. W

    Help Needed Setting Up Network on Windows XP - Network Help Guys

    This is the first time I'm trying to set up a Network, I'm using Windows XP on both this one and the Wireless Laptop (yes I know Microsoft is a pain) but I can't do it. Anyone want to help? This is what I have so far, I set up a network with the wizard on the main computer, gave the workgroup...
  41. D

    Best Books on Network Security

    Would anyone like to suggest some books on Network Security? I read Hacking Exposed a while ago. Also, what is the most common language used for utilizing windows exploits? Linux exploits? What is your favourite Linux distribution?
  42. cepheid

    Thevenin equivalent of a network

    Sorry for such a basic question, but I'm having trouble grasping the idea of why the Thevenin equivalent of a network (as seen from two terminals) almost always has a Norton equivalent in the form in which it has been defined. More specifically, I've been trying to work out from staring at the...
  43. B

    Are Network Firewalls Ruining Your Internet Experience?

    AAAAAAHHHH! :mad: The aogony of network firewalls, It took me 5 mins to load up this page on a connection that is supposedly 1M. All because my school finds the need to check every single packet that is sent to and from my computer. Up until a week ago everything was fine because I was...
  44. S

    Is the Directed Graph for this Circuit Correct?

    hello there, I've been given a circuit and I am trying to draw a directed graph for it. i drew it out in microcap: [PLAIN]www.compsoc.nuigalway.ie/~filter/question.gif[/URL] im wondering if the graph is correct. i think for some reason the direction of current for I1 in the graph has to...
  45. M

    Spectrum Analyzer vs. Network Analyzer

    Hi all, I was wondering if someone could clarify what the difference is between a spectrum analyzer and a network analyzer. Thanks, Mike
  46. D

    Exploring the World of Network Security: Join the Conversation!

    Is anyone interested in the field of network security? Do you specialize in a particular field? Would be interested if anyone has the same passion as me. :redface: I can not wait for summer to come, to give me some time for this hobby.
  47. A

    My network directory file synch batch file thing

    My network directory file synch batch file thing :) Hey guys I had been looking for a nice cheap easy to use program to sync two of my mp3 directories. This is what I did: Here is my setup: My HTPC .mp3 drive is mapped to my laptops' E drive. I always download my songs onto my computer...
  48. O

    Network Problem: Connecting Win XP Machines Without Hub

    I have connected two machins, both runnig Win XP, without a Hub. The problem is that they don't see each other. Please consider that : 1. The cable is UTP 2. The arrange of wires is : 1-2-3-4-5-6-7-8 3-6-1-4-5-2-7-8 3. Diagnostic lights on both NICs are on. 4. As the indicator in...
  49. marlon

    Wilson Loop & Spin Network in Physics: Explained

    Hi, can anyone give me a clear definition of the following two things 1) Wilson loop 2) Spin network (invented by Penrose, right?) What do these quantities fysically mean? PS : can anyone explain me what the term LOOP means in Loop quantum gravity. To what does it refer ? regards...
  50. M

    Infinite Ladder Network: Find R with Rs=1 ohm and Rp=6 ohms

    The http://www.his.com/~mhtesler/Ladder[/PLAIN] Network4.jpg]network shown (<—click on this link) is an infinite ladder of resistances (i.e., the “L-section” pattern of Rs and Rp resistances repeats indefinitely towards the right). Let Rs = 1 ohm and Rp = 6 ohms. What is the...
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