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. Evo

    Food Network Star: Who Should Win?

    Ok, I'm watching all of the episodes this season. This seasons does seems to be going better, they are eliminating the duds upfront, which is a nice change. They canned that weird health food nut this week. The next person I want to see go is Jamika. She is so fake when she gets in front...
  2. O

    Solving Network of Resistors: R1, R2, R3 & R4

    So i am having trouble figuring out how to approach this problem A) What is the current through the resistor, R1 in the above circuit? + --- _____________R2_________ /..... Joint / /______R1_________/___________R3/...
  3. S

    Solve Network of Resistors: R1, R2, R3, R4, V=6V

    Homework Statement This is the diagram: https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/Phys1202/summer/homework/Ch-21-DC-Circuits/resistor_network/ex1s95p3.gif R1 = 3W, R2 = 6W, R3 = 11W, R4 =8W, V=6V A) What is the current through the resistor, R1 in the...
  4. fargoth

    ISP can tell what my internal network ip's are?

    ISP can tell what my internal network ip's are? To make a long story short, I use a router, with two computers behind it, I called my ISP for technical help, and the technician there told me I use a router (which is a reason for him to not help me..). He said he sees more then one IP address...
  5. C

    New topic about Complex Network.

    New topic about Complex Network. Is there Anyone interested in this filed?
  6. F

    Solving Home Network Weirdness Problem

    All right folks...a little help if you can. I have had a home wireless network for a while. It's between my desktop (the server) and my laptop. It's about as simple as you can get. It has been working fine up until a month or so ago. My desktop has 2 hard drives, both of which I have as...
  7. O

    How to network two computers using dial up

    I want to network two computers using dial up connection. I need help
  8. S

    DC Network theorems Norton’s and Thevenin’s theorem

    hi, thanks for taking time to try and help me out, i have hit a brick wall with these questions, i have made an attempt and don't no where to go from there, and feed back would be great thanks alot... The problem Using both Norton’s and Thevenin’s theorem determine the power dissipated in the...
  9. G

    R Network- finding total resistance.

    Homework Statement Assuming R = R' = 1.97 Ω in the network shown above, determine the net resistance a) between the points a and c b) between points a and b. HELP: Use symmetry. HELP: Imagine applying a voltage between a and c and think about what current will flow in each resistor...
  10. G

    Max Voltage Applied Across Network w/ 2/3 Resistors in Series & Parallel

    Homework Statement Sorry, but i have another one that I can't get... :/ A 2.94-kΩ and a 3.16-kΩ resistor are connected in parallel; this combination is connected in series with a 3.27-kΩ resistor. If each resistor is rated at 1/2 W, what is the maximum voltage that can be applied across the...
  11. A

    Network Graph & Diagraphs Homework Help

    Homework Statement 1. For each of the following network graphs and digraphs, determine if they are complete, where you could enter and exit and explain why or why not complete? Homework Equations http://img5.imageshack.us/img5/7741/matrixw.jpg The Attempt at a Solution...
  12. D

    Engineering Calculating Output Voltage of an Amplifier with RC Coupling Network

    Hi I am struggling to answer this question: The input coupling circuit of the amplifier shown in the figure consist of an RC network, with R = 1 kW and C = 5mF fed by a sinusoidal voltage source of r.m.s. amplitude of 200 mV. Assuming that the input impedance of the amplifier is, at all...
  13. F

    Ten phones are linked by only one line to the network. Each phone

    Ten phones are linked by only one line to the network. Each phone needs to log on average 12mins an hour to the network. calls made by different phones are independent of each other. They can't simultaneously call. What is the probability that k phones (k=0,1,2...10) simultaneously need the...
  14. C

    Network Maths Problem: Shortest Path Algorithm and Street Resurfacing in A-Town

    Have to do this question fairly soon in an exam. This is pretty much the exact same question that will be on it. What sort of maths is this and how the hell do I do it??!? I don't have any notes on it. ----------- The following network (Figure 1 below) represents the road system in the town...
  15. M

    Flow Network Capacity Augmentation

    Suppose that you have a http://en.wikipedia.org/wiki/Flow_network" with integer edge capacities, and n dollars. You may spend one dollar to increase the capacity of an existing edge by one. The question is, how can you spend your dollars so that the maximum flow through the resulting network...
  16. M

    Lead-Lag Network: Series RC & Parallel RC Combinations

    How is a series RC network acting as a lead network & a parallel RC combination acting as a lag network ?
  17. N

    Network Setup Help: Connecting 3 Computers to 2 IPs

    My ISP gives me 2 IP addresses, but I have 3 computers to connect to the internet. I have a http://www.linksysbycisco.com/US/en/support/WRT310N/download" as well. My current rig goes from the cable modem, to the switch, to my 2 current computers. What I want is to connect the new computer...
  18. C

    Capacitance: Equivalent C of a Network

    Homework Statement A capacitor network is shown below. http://img99.imageshack.us/img99/9967/79727282.gif What is the equivalent capacitance between points y and z of the entire capacitor network? Homework Equations In parallel: C = c1 + c2 + ... In series: 1/C = 1/c1 + 1/c2 +...
  19. J

    Find the Equivalent Resistance of a Network

    Homework Statement A network consists of a combination of parallel and series connections. What is the equivalent resistance of the network? (Hint: Use the series and parallel resistance formulas). The network looks like this: Homework Equations When a circuit is in series, R = R1 + R2 + R3...
  20. S

    Is there a network with 50 arcs annnd one vertex?

    Homework Statement Is there a network with 50 arcs and one vertex?
  21. M

    What is Information Flow in Bayesian Networks?

    Usually in information theory (at least the introductory version I have learned) one is concerned with the amount of information transmitted over a single channel, from point A to point B. Suppose that this is generalized to a Bayesian network, where each directed edge of the network is viewed...
  22. rootX

    Brightkite - location-based social network

    http://brightkite.com/ It's an iPhone application (or runs on simple phones too). It finds your GPS location and tells you about all other users are withing 100 m, 200 m, or .. 2 km .., .. range. I think it's a really impressive application but there are obviously privacy issues. It can...
  23. Evo

    Chopped: Poor Visuals and Dull Tone

    Whoever designed this show should be chopped. I watched the premiere the other night and visually it was dreadful. The contestants are all identically dressed in dark charcoal grey chef jackets, which matches the dark charcoal grey backdrop of the kitchen set. The result is a dark, grey...
  24. J

    How Can Operations Research Techniques Determine Project Completion Time?

    Please help me to solve this problem. This was a question given in our end semester examination. The management of a certain garment factory is considering the construction of a new washing plant building. The project consists of 7 major activities. The information pertaining to the project...
  25. M

    Voltage and Current in a Resistor Network

    when i connect a sinusoidal voltage source to resistors all voltages and currents become zeros. another problem is how to plot the voltages and currents for any component. if anybody has a book or link it would help please reply. thank you check the attached picture
  26. S

    How do I approach resistors 7-9 and 10-12 in a resistor network?

    Homework Statement So I got this homework to do, and I've pretty much figured it all out using a bus diagram, except for one part. I don't know how to approach Resistors 7 through 9 and 10 through 12. The only idea that I have is that they equalize between 7 and 8, and 10 and 11. This...
  27. H

    Engineering Circuit analysis: find Network Function

    Given the following circuit: (see attached file) find the Network Function between I_L, flowing as drawn in picture, AND I_g. I guess all the calculation should lead up to an expression like this one: I_L(s)=F(s) I_g(s), where F(s) is a function in "s" which corresponds to the NETWORK FUNCTION...
  28. J

    What is the Total Resistance of an Infinite Network of Resistors?

    Homework Statement Find the total resistance(Rt) of the infinite network. Allright, what we have is an infinite network of resistors which i will try to make a diagram of here : b--R1--c---R1-----R1-----R1--- so on ...!...!...! ...!...!...! ...R2...R2...R2 so on...
  29. F

    How can I find my WEP key on an existing wireless network?

    I set up my wireless network some time ago. I want to add a recently purchased PS3 to my network, but I can not find my WEP key. Is there any way to track this down on my existing network? Thanks.
  30. H

    Finding Equivalent Resistor & Capacitor Networks

    http://img366.imageshack.us/img366/4260/note0002ku2.th.jpg I don't understand how can I draw a new network finding the equivalent network. Are there any techniques that I have to know? Also, can the technique also applied to capacitor network finding equivalent capacitor network~...
  31. I

    How to Access and Display Network Folder Contents in C#?

    For a small personal project I was wondering how could I have a program obtain the contents of a folder in a network drive? List the filenames in the folder and let us preview the files in a database form format using C#?I'd be happy to put in the path name into a field and when the program...
  32. Evo

    Emeril Lagasse leaves Food Network

    The guy never did know how to cook, but I have to admit, being home sick, I actually started enjoying some of the recipes that his chefs prepared that he pretended to cook. His show sure beat the 3 "Food Challenge" shows that they have been repeating every evening in his time slot. Can we...
  33. H

    How do the electrons move in a network cable?

    I spent all day yesterday trying to find the answer to this without success. I know it must be out there, perhaps I just don't know the correct terminology to use in order to find it. My question is this: When I transfer data from one computer to another, the network card in the first...
  34. P

    Network Capacitors: Calculate Equiv. Cap & Battery Charge

    Homework Statement See capacitor design in attachment. Calculate the equivalent capacitance of the circuit shown in the diagram above; where C1 = 4.30 uF, C2 = 7.15 uF, C3 = 2.25 uF, and C4 = 3.75 uF. How much charge is drawn from the battery? Homework Equations Parallel C = c1...
  35. B

    Solving the Minimum RC Network for Open-Circuit Voltage Gain of 2

    This is not homework, but a question I have posed for myself. In a linear, passive, 3-terminal RC network for sinusoidal voltage input how many resistors and capacitors are required to give an open-circuit voltage gain of 2? I've found some very complicated networks, but I'd like to find...
  36. JasonRox

    How to Track & Prevent Users From Your Wireless Network

    I have a question... If you have a unsecured network, is it possible to track users hooked up to your network? Say neighbours? If so, how do you do it? And, can you prevent them from logging on to your network without using a secured network?
  37. K

    Where can I find helpful resources for learning computer networking?

    I need to learn myself computer networkin but i don,t know where to begin. I've already done with some computer language program like C,C++,... Can somebody give me a link where i can find notes or something else useful? Thank you!
  38. J

    Calculating Max Voltage Across Resistor Network

    Homework Statement A 2.8k-ohm and a 2.1k-ohm ersistor are connected in parallel; this combination is connected in series with a 1.8k-ohm resistor. If each resistor is rated at .5W, what is the maximum voltage that can be applied across the whole network? Homework Equations Ohm's Law...
  39. A

    Interesting topics in network security?

    I need to come up with a topic to present in one of my classes but I'm having a hard time coming up with something. I thought about doing a presentation on video security or how a cable box is securing the incoming video but someone else is doing it. I thought about maybe doing it on some type...
  40. Evo

    Questionable Skills of Cooking Show Hosts on Food Network

    This channel cracks me up. Could they possibly have more people hosting cooking shows that have no background in cooking? :smile: Bobby Flay, high school drop out that is dating the producer's daughter. This classless idiot has no place in the cooking world. Emeril Lagasee. As his...
  41. D

    Quantum Network and Quantum Imaging

    There is more and more concern about quantum communication and quantum network, I have some questions that I keep thinking for a while: Could there be combination of the Network theory and Quantum theory? Babarasi put forward the former one about 10 years ago and got great success...
  42. S

    Solving a Belief Network Problem with Car Starting: A Bayesian Approach

    I am having problem solving this exercise. The problem actually comes with a diagram but I do not know and I do not think i can draw it in the forum. The exercise is based on car starting(Heckerman 1995) Since I can't draw the network diagram here but values of probability are given but...
  43. G

    Check Connectivity of Network using DFS

    Can somebody tell me how to implement(possibly C program) DFS to check whether a network is connected or not. I have network in the form of adjacency matrix. Thanks
  44. O

    Home Network Setup Help - XP & Vista on D-Link Router

    Hey all, I'm trying to set up a home network. I have two PC's, one on xp and one on vista, on a dLink router. I have both computers set to the workgroup 'WORKGROUP', and I attempted to set up LAN, but I really don't know much about this and neither computer is seeing each other, and the...
  45. cepheid

    Home Network with File Sharing

    I have two computers connected to the internet through a linksys router. It's a wireless router, but both computers are physically connected to the router using ethernet cables. Both computers running Windows XP, one is a laptop, one is a desktop. I want to be able to share files and printers...
  46. M

    Breakdown voltage of capacitance network

    Each capacitor in the combination shown in the figure below (C = 11mF) has a breakdown voltage of 17.0 V. What is the breakdown voltage of the combination? On either side of C is an equivalent capacitance of 40 mF (since these are parallel). I'm not certain where to go with this problem...
  47. Evo

    NJ teen unlocks iPhone from AT&T network

    The sad news is that the only other carrier it will work with is T-Mobile, which is on the same type of antiquated, slower than molasses network. :rolleyes: http://news.yahoo.com/s/ap/20070824/ap_on_hi_te/iphone_unlocked
  48. Integral

    Is MAC Address Filtering Sufficient for Wireless Network Security?

    Due to an ongoing battle with linksys software I have disabled network security, currently I have restricted access to allow only the MAC address of my laptop. Is this enough? Or should I also have WEP or WAP authentication? .
  49. J

    Calculating Equivalent Resistance of Resistor Network

    Homework Statement Show that the equivalent resistance is Req = 1/2 [(4RtRl + Rt^2)^(.5) + Rt] http://img74.imageshack.us/img74/5905/pingib2.png Homework Equations The Attempt at a Solution So far all I can get is Req = Rt + Rl Rt/(Rt+Rl) from the first three resistors starting from the...
  50. A

    Network adapter behaves strangely

    My laptop has an integrated Intel gigabit network adapter. I get internet from a cable modem through a CAT5 shielded cable. The problem is that sometimes the connection drops and the computer freezes, and after a few moments the "network cable is unplugged" icon appears. Then I press...
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