English Vocabulary in Use: Advanced Book with Answers and Enhanced eBook Vocabulary Reference and Practice 3rd Edition

Unit 48
 48.1
1 chat room 
4 cookie
2 webinar 
5 attachment
3 ISP 
6 spam

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English Vocabulary in Use Advanced
 48.2
word
opposite
exists
doesn’t exist
delete
undelete
✓
download
upload
✓
update
downdate
✓
inbox
outbox
✓
online
offline
✓
install
uninstall
✓
 48.3
1 upload, online
2 inbox
3 install
4 undelete
5 offline
6 update
 48.4 
Suggested answers:
1 E-signatures are a way of identifying yourself on the internet with a unique code or name, which 
you can use, for example, to agree to pay for goods.
2 E-learning means taking courses over the internet instead of going to a school or college to do 
your studies.
3 E-enabled here means that all the study materials can be accessed and worked with through the 
internet.
4 E-books are books which you buy from the internet, and which you then read on your computer, 
tablet, e-reader or smartphone.
5 The dotcom economy refers to internet companies, whose web addresses typically end in ‘.com’, 
e.g. a company that sells bicycles over the internet might call itself 
newbikes
.
com
, which would be 
read aloud as ‘new bikes dot com’.
6 A tablet is a very thin (and often quite small) portable computer used mostly for email and online 
activities.
7 Parental controls are controls on the computer which allow parents to decide which websites 
their children can visit and to restrict certain activities.
8 I can’t stop doing this activity; I want to do it all the time and can’t stop myself.