Recent content by Lila

  1. L

    Need help protecting confidential documents with passwords?

    hahaha! :P from my little sister... totally kidding, not anyone in particular, but some things are just private and confidential, like work documents.. and I many times let others use my laptop. + my laptop got stolen recently, also with a lot of confidential documents unprotected! can u...
  2. L

    Need help protecting confidential documents with passwords?

    hey y'all I need help putting passwords on documents, i.e. these documents CANNOT be opened unless the password is provided. This could also be for a folder. Like I have documents in a folder, and I do not want anyone else to have access to this folder, I would therefore like to password...
  3. L

    What is the reason behind expensive phone calls?

    Hey everyone, I would like the answer to the above question from an engineer's perspective. So what makes long-distance phone calls more expensive than local ones? I guess the distance over which the message must be carried, but what else? more complex demodulation techniques? bandwidht...
  4. L

    How to Devise a Commutator Configuration for Time Division Multiplexing?

    well, here's the question as given from Ziemer & Tranter - Principles of Communications "Five messages bandlimited to W, W, 2W, 4W, and 4W Hz respectively, are to be time-division multiplexed. Devise a commutator configuration such that each signal is periodically sampled at its own minimum...
  5. L

    How to Devise a Commutator Configuration for Time Division Multiplexing?

    hey y'all! could someone please explain to me how to devise a commutator configuration when given a number of signals and their bandwidths. Example: with four signals bandlimited to W, W, 2W, 3W. Give a possible sequence for a period.
Back
Top