How does router work?

All I know about router is that, the internet cable first goes into the router; then the router is connected to PC's (one or multiple).

1.How do I connect PC's with router?

2.If multiple PC's are connected with router, but only one PC is running, will it have the complete speed at that time or the divided speed?

3. Is it possible to divide the internet speed for multiple PC's, but use the complete speed from a single PC while other PC's are turned off?

4. How to know whether other PC's are actively using the internet connection(through router)? Any light turns up?

I hope the questions aren't confusing. BTW, I was referring the home-use router.
Thank you.
4 answers Last reply Best Answer
More about router work
  1. Best answer
    1. Ethernet cable or WiFi

    2. It will be conversing with the router at whatever speed the router can handle. It will converse with the outside world at whatever speed your internet service is supplying.
    It also depends on exactly what all the machines are doing at that exact moment. If they are just 'on', they are not sucking up any bandwidth. But...let's say you have 10Mbps service from your ISP, and 4 PC's. If all 4 are downloading something large at the same time...they each would get, in theory, 2.5Mbps.

    3. If the other PC's are off, they not using any bandwidth.

    4. LED's on the router. Blinking indicates traffic. But that is very misleading. It does not denote constant traffic. Or one of the PC's may be downloading a Windows update while the user isn't using it. Or some application may be making a tiny check for an update.

    In other words, don't sweat the bandwidth division among the PC's. Let the router handle it. What you need to be concerned with is having enough bandwidth coming from your provider. 4 PC's on a 1Mbps line will suck.
  2. Using fibre optic cable.
    (2.) So if one (out of two PC's) is inactive, the other one will get all the bandwidth?
  3. Skhatria said:
    Using fibre optic cable.
    (2.) So if one (out of two PC's) is inactive, the other one will get all the bandwidth?

    Yes, this is true.
  4. Thank you very much for the answers. Great help :)
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