If you only have few companies that can't attend, a simple laptop connected to Skype may be all you need. It sounds like you don't need a complete package.
you do not really need a "best processor for that task" for email a Pentium 3 will be fine for video streaming it become a little more interesting since if you will host the video in a streaming server, NOTE streaming video server IS NOT THE SAME as hosting video server, you will only need a fast internet connection to upload your videos to your streaming server and this is just like copying from hard drive to hard drive and highly depends of your internet speed to upload and NOT so much from your PC processor so i will go for any Pentium 4 for both tasks of emailing and uploading. If you will be the one who will be reading email and watching videos from websites then you also will be fine with a Pentium 4 at 3 GHz.
You do not have to activate streaming on the Motorola EX115. It is ready for streaming video when you purchase it, you just need to visit the site you want to watch.
To watch streaming video, you need to have a very fast internet connection. You should also have reasonable memory on your computer and an anti-virus installed.
There are a lot of video streaming web sites. Here is one you even don't need to register. It is called filmstreamingvk. It is in english and completly free.
You need a camcorder or a camera or smartphone with video function. For software to record streaming there is Any Video Converter Ultimate.
you need lights and all sorts of equipment people and your sisters but
To connect a wireless streaming camera to your PC for live video monitoring, you will need to install the camera's software on your computer, connect the camera to your Wi-Fi network, and then open the software to view the live video feed on your PC.
To download a YouTube video using IDM in Chrome, just started streaming the video. If IDM is your default video downloader it will capture the address and you can start downloading.
Listening to Christmas songs online could not be any easier, with such a vast amount of video hosting sites available on the internet, all you need to do is find a video hosting site and look up your favorite Christmas song.
To create a virtual camera for live streaming and video recording using OBS, you need to install a plugin called OBS VirtualCam. Once installed, open OBS and go to Tools VirtualCam. Click on Start to activate the virtual camera. In your streaming or recording software, select OBS VirtualCam as your camera input. This will allow you to use OBS as a virtual camera for live streaming and video recording.
In order to have a video conference the easiest way is to have a computer with a webcam. Also, you will need speakers to be able to hear the other person.
For virtual web hosting, you would need servers (depending on the site and the visitor numbers). You would also need a secure desktop and monitor for virtual webhosting.