What are they?
They are computers.
Are they useful?
Yes, they are.

Computer can help us
save time
Possible answer.
+ Computers help us learn interestingly
+ computers help us
learn more quickly.
+ computers are convenient/
easy for keeping/ storing
information.
+ Computers are very quick
in giving answers to our
questions.
+ get information
+ work much faster
than a person.
+help us in composing music and so on

Date:


printer
manual
connect
under guarantee
plug
socket
máy in
sách hướng dẫn sử dụng
kết nối
phích cắm
được bảo hành
ổ cắm