Nowadays
electronic products
have become an important
part of our lives: without them we wouldn't be able to text
our friends,listen to m.p.3's,
protect our homes
from burglars,or send email messages to the other side of
the world.
In fact, if you think
about it,
electronic systems are hidden away inside many products that you use.
In this tutorial we will
be learning about some of the ways in which electronic devices work
and the components found inside them.
Q1/2.
To begin, write down in the boxes below two
items from the list which are not electronic products -
you should list them in the same order:
C.
D. Player - Camera Film - Radio - TV - Telephone
- Quartz Wrist Watch - Paper Clip - Smoke Alarm -
Item
1
Item
2
Q3,
In what year do you think Alessandro Volta made the first
electrical battery?
Please
select a date from the following list and
write it in the text box below.
1800
- 1850 - 1900 - 1950 - 2000
Q4.
Listening to music at home, or on the move, is now possible
by using portable players. In what year do you think the
first personal stereo was introduced in the shops?
To
answer move the time line pointer below to the correct date.