Unit 5. Technology and you

to class 10A1 !
Unit 5
Technology and you
Reading
Before you read
Matching
A. central processing unit (CPU)
B. CD ROM
C. keyboard
D. visual display unit
F. mouse
H. floppy disk
E. printer
G. speakers
1/ VOCABULARY
- miraculous /mi`rækjuləs /(adj):
tuyệt vời
- calculating machine (n):
máy tính
- calculation / kælkju`leiʃn / (n):
phép tính
( add, subtract, multiply, divide)
- lightning speed:
tốc độ ánh sáng
- storage device (n):
thiết bị lưu giữ thông tin
a thing is used to keep or store information
- accuracy /`ækjurəsi / (n)
sự chính xác
2/ CHECKING VOCABULARY:
Gap-fill
a/ ............................ is the thing we used to keep or save information.
miraculous
calculating machine
calculations
lightning speed
storage device
accuracy
b/ Computer is one of the ......................... machine.
c/ ................................ is a machine used for adding, subtracting, multiplying, and dividing.
d/ A computer can help us carry out the calculations with ................................ and perfect ........................ .
Storage device
miraculous
Calculating machine
lightning speed
accuracy
Task 1- Matching

Task 2. Choose the best title for the passage
A. The Computer- A new Invention
B. The Computer Has Become Part of Our Life
C. What Can the Computer Do?
.True/False Predictions
1.A computer can help us receive letters and read newspapers and magazines.
2.We cannot learn foreign languages on computers.
3.A computer is a miraculous device.
4.A computer can do calculations with lightning speed and perfect accuracy.
5.We cannot type or print any kinds of document.

II.Checking Predictions
1.A computer can help us receive letters and read newspapers and magazines.
2.We cannot learn foreign languages on computers.

3.A computer is a miraculous device.
4.A computer can do calculations with lightning speed and perfect accuracy.
5.We cannot type or print any kinds of document.

F
T
T
F
T
Task 2: Write the uses of computers in the chart
Uses
of
computers
- visit shops, offices, places of scenic beauty
- prepare bills
- produce magazines and newspapers
- receive and send letters
- learn foreign languages
- Do calculations:add, subtract, multiply, …
- store data
- type and print document
- interact with other computers or people
- play music, play games

2. Why is a computer a miraculous device?

-Because :
it is capable of doing anything you ask .
It is an accurate calculating machine, an electronic store, a magical typewriter, a personal communicator. (it can speed up the calculation, allow you to type and print any kind of documents ……..)
Talk about the advantages and disadvantages of computers

- get information
- learn foreign language
do calculations: add, subtract..
store data
- interact with other people
listen to music, play games,
etc.
- waste time and money
harm to our eyes
don’t care others
- children may become passive
children become violent
Etc…
 Tell other uses of the computers in our daily life:
 to teach
 to do shopping
 to design houses, buildings , bridges…
 to cure diseases
 to draw pictures…..
HOMEWORK
 Write a short paragraph about problems that people encounter when using a computer.
 Study three tasks again more carefully
 Prepare for the next period (Speaking)
Remember to do your homework!
THANK YOU !