What is a user account in windows

Definition of user Account:
   

A User account is the set of information about the people who is accesing it that tells windows about the files, folder and restriction of uses of Windows. The restriction refers to the drives that an account will use, the application, websites or games that a user can view.

There are 3 types of user account.

What is a modem?

MoDem(Modulator And Demodulator)
The most common type of Modem in a regular household is either a dsl,cable, or dialup modem, and they are all used to connect with the internet..

The length of a digital signal is very limited based on it's high speed and nature. 

when longer connection distances are needed, special analog types of communication are needed which can reliably transfer the signal to the end point (ISP, phone switching station, Cable Distribution network, etc).

How To Enable Hidden Administrator On Windows 7 or Vista

The account is created in windows 7 or vista, but since it's not enabled you can't use it. if you are troubleshooting something that need to run as administrator, you can enable it with a simple command.

Enable Built-in Administrator Account

First you'll need to open a command prompt in administrator mode by right-clicking and choosing "run as administrator" or use the Ctrl+Shift+Enter shortcut from the search box

What is a Router?

Before we delve into the world of routers, you need to understand what a broadband connection is and how it works. According to Dictionary.com, broadband is "a high-speed, high-capacity transmission medium that can carry signals from multiple independent network carriers. This is done on a single coaxial or fiber-optic cable by establishing different bandwidth channels. Broadband technology can support a wide range of frequencies. It is used to transmit data, voice and video over long distances simultaneously."

Routers take information that arrives through your broadband signal via a modem, decipher it, and deliver it to your computer. The router will also choose the best route for the data packet so that you receive the information quickly.