DATA COMMUNICATION

What is Data Communication?

What are the elements needed for successful communication?

All the following are examples of Communication devices EXCEPT :

• Network Cards

• Whatsapp

• Computers

• Router

Differentiate between wired and wireless transmission media.

Which transmission media has strands as thin as human hair?

• Fibre-optic Cable

• Bluetooth

• Twisted Pair Cable

• Wi-Fi

Data Communication can happen between one device only. Explain

• Yes

• No

Which devices ensures that data reaches its correct destination on the network?

• Network Cards

• Computers

• Router

• Modem

A part from Fibre optic cable, name 2 other wired transmission media

The wires in the twisted pair cable are twisted to reduce NOISE. What does NOISE mean in this context?

Name Three (3) types of wireless transmission media