Factors Influencing Digital Communication (Edexcel IGCSE ICT): Exam Questions

The venue promotes events on a website.

Gail uploads new images for the website.

Explain one reason why the image files should be compressed before uploading to the website.

Visitors usually bring a digital device to events at the venue.

The venue uses a barcode scanner that connects to the booking system.

The barcode scanner will be used in places where hundreds of mobile digital devices will be using wireless communication.

Explain the benefit of using wired communication rather than wireless communication between the barcode scanner and the booking system

Camille creates a home network.

Camille uses wired and wireless connectivity.

State what is meant by ‘latency’.

Camille shares family photographs online with friends.

Camille connects to a wireless access point to upload her photographs.

Explain one reason why moving closer to the wireless access point reduces transfer time.

Camille’s child, Sarah, uses websites and video sharing sites for her school work.

Sarah participates in an online meeting as part of a lesson.

Sarah uses wired connectivity. Her video is not synchronised with video from other participants.

Which one of these would cause this issue?

Joe streams a radio show online.

Joe must reduce latency when connecting an input device to a computer.

Which one of these is the best choice of connectivity for this?

Which one of these is the effect of latency?

Joe posts a link to the shows on an online community.

Explain one reason Joe does not upload posts that include videos when streaming a show.

Joe connects to different types of networks.

Joe checks the new connection and gets these results:

Explain the impact these results have on the experience of Joe’s audience.