* Complete the text with these words:
lost
viruss
hackers
crashed
bug
** Everybody seems to be having problems with computers these days. Governments and big companies are worried about (1) ___________ who find their way into their systems and read confidential information. They are even more worried about (2) _________ which can destroy all their programs.
It’s not much better for ordinary people either – I bought program myself last month and Isuppose it must have had a (3) _______ of some kind. My computer suddenly (4) _________ and I (5) ___________ two hours’ work.
Everybody seems to be having problem with computers these days. Gorvenments and big companies are worried about hackers who find their way into their systems and read confidential information. They are even more worried about viruses which can destroy all their programs.
It’s not much better for ordinary people either – I bought a program myself last month and I suppose it must have had a bug of some kind. My computer suddenly crashed and I lost two hour’s work.
`text{1. hackers (sau who là giải thích cho định nghĩa này)}`
`text{2. virus}`
`text{3. bug (bệnh do vi rút)}`
`text{4. crashed (tắt nguồn)}`
`text{5. lost}`