Types of Digital Communications (Edexcel IGCSE ICT): Exam Questions

Exam code: 4IT1

22 mins6 questions
1a1 mark

The concert venue uses an online booking system.

Customers can store a digital ticket to their smartphone and access the venue by scanning their phone.

Which one of these is the wireless technology used during this scan?

  • 4G

  • Bluetooth

  • NFC

  • Wi‑Fi

1b3 marks

Gail uses different types of networks in her job.

Draw one straight line from each type of network to the correct reason for its use.

Figure
22 marks

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

Describe one way a visitor can use features of a tablet to connect it to a smartphone’s mobile broadband connection.

3a1 mark

Camille creates a home network.

State what is meant by ‘tethering’.

3b2 marks

Camille connects to a LAN.

State two features of a LAN that are different from a WAN.

3c2 marks

Camille’s mobile phone can receive data using 3G, 4G, 5G and GPS.

State two other wireless communication methods used by mobile phones.

3d3 marks

Camille uses wired and wireless connectivity.

Draw one straight line from each connection method to the correct characteristic.

Figure
41 mark

Joe streams a radio show online.

State the type of network required to stream the show to listeners outside of Joe’s LAN.

54 marks

Joe connects to different types of networks.

Joe uses networks to stream his show.

(i)

Give two types of wireless connectivity that Joe could use to connect a laptop to a smartphone.

[2]

(ii)

Explain one reason why Joe must use a WAN to stream a show.

[2]

6a1 mark

Joe uses GPS.

Which one of these statements about GPS is true?

  • Data must be sent to multiple satellites for accuracy

  • Devices cannot connect to a network without GPS

  • GPS calculations require data from one GPS satellite

  • The GPS system does not receive data from Joe’s devices

6b1 mark

Which one of these is a reason why Joe would use GPS?

  • To connect to a wide area network

  • To include location data in image files

  • To prevent access to files by the general public

  • To provide a connection if a mobile phone network fails

6c1 mark

Joe’s laptop uses a wired connection to the Internet through broadband.

Joe’s smartphone has mobile broadband connectivity.

The laptop loses its connection to the Internet.

Describe one method Joe could use to keep the laptop online.