(a) (i) What is video conferencing? (ii) Mention four essential items to a video conference. (III) Give two examples of other hardware components essential ...

Answer Details

(a)

(i) Video conferencing is a technology that allows two or more people in different locations to communicate and interact in real-time using video and audio transmission over the internet or a network.

(ii) Four essential items to a video conference include:

1. Video camera: A device that captures and transmits video images of the participants to other locations.
2. Microphone: A device that captures and transmits audio sounds to other locations.
3. Display screen: A device that displays the video images and audio of the other participants to the viewer.
4. Speaker: A device that plays the audio sound of the other participants to the viewer.

(III) Two examples of other hardware components essential to a video conference are:

1. Codec: A device or software that compresses and decompresses video and audio data for transmission over the internet or a network.
2. Network switch: A device that connects multiple devices on a network and manages the flow of data between them.

(b) Two examples of data cables are:

1. Ethernet cable: A type of cable used to connect devices to a network, such as a router or a switch. It is also used for high-speed internet connections.
2. USB cable: A type of cable used to connect devices, such as a computer or a printer, to transfer data or to charge the device.