Close-up C2 Unit 2 Vocabulary p22-23

Jack, who is 19, has grown up using technology such as the Internet and mobile phones; he's a real

I loved the old _ on my computer, the Windows XP, because it made all of the programs work well.

Millions of people have Instagram accounts, but I wonder how many are

_ who log on regularly

By the time the company realised there was a _ , it was too late, as confidential data had already been stolen.

The job calls for _ ; for example, you need to know how to read spreadsheets and scan for viruses.

Films are one thing, but do you think _ will ever be able to perfectly mimic the human brain?

My _ of choice is Google because I like the way the results are clearly displayed on the screen.

Helen, who is studying _ at university, has decided to specialise in cloud computing and programming.

When you're surfing the web, you have the whole world _

your fingertips.

• at

• on

Luckily, we managed to fix the broken generator, so it's _

and running now.

• off

• up