OPI-12 On the phone Vocabulary

OPI-12 On the phone

Vocabulary

battery life

•  the length of time

• Is it important when you are choosing a new phone?

• Is demand for longer battery life increasing?

coverage

• the coverage of a mobile phone network

•  the area where you can get a signal 

•  there is 4G coverage

operating system

• the software that makes all the applications work

• What operating system does your laptop run?

• Do mobile phones require operating systems?