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

(a)(i) What is video conferencing?

Video conferencing is a form of telecommunication in which two or more people at different locations hold a live meeting by transmitting sound (audio) and moving pictures (video) to one another in real time over a network such as the Internet.

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

1. A computer (or smart device).
2. A camera / webcam.
3. A microphone.
4. A network / Internet connection with video conferencing software (for example Zoom, Skype, Google Meet).

(a)(iii) Two other hardware components essential to a video conference

1. Speakers (or headset) to hear the participants.
2. Display screen / monitor (or projector) to see the participants. (A modem or router providing the connection is also acceptable.)

(b) Two examples of data cables

1. USB cable.
2. Ethernet (twisted-pair / RJ-45) cable. (Also acceptable: HDMI cable, coaxial cable, fibre-optic cable.)