Input devices
Chia sẻ bởi Nguyễn Thanh Minh |
Ngày 02/05/2019 |
29
Chia sẻ tài liệu: Input devices thuộc Bài giảng khác
Nội dung tài liệu:
Task 1: Match the pictures of input devices with their names
a. Touch screen
b. Tracker ball
c. Barcode reader
d. Digital camera
e. Microphone
f. Joy stick
g. Graphic tablet
h. Scanner
Turning in
Task 2: Work in pairs, try to list the uses of these devices
Task 3: How voice input works. Label the steps in the process with these captions
a. The computer compares the binary code with its stored vocabulary
b. The user says a word into a microphone
c. The screen displays the correct word
d. The speech recognition board converts the signals into binary numbers
e. The microphone converts the word from audio signals into eclectrical signals
1. b
2. e
3. d
4. a
5. c
Task 4: Now listen to the recording to check your answer
Reading
Task 5: Each text describes one of these devices: trackerball, joystick, lightpen, scanner. Identify the device each text describes. Write your answer in the table
Text
Device
1
2
3
4
Joystick
Trackerball
Graphics tablet
Scanner
Task 6: Match each device (1-7) with its use (a-g)
Device
Use
lightpen
scanner
digital camera
mouse
keyboard
microphone
joystick
Draw picture onto a conputer screen
Copy document
Input sound
Input text
Select from a menu
Move the cursor rapidly
Produce photos without film
Task 7: Describe the use of each device in a sentnece. Use these structures:
... is/are used in ....
... is/are used/or.. -ing
Using ... you can .....
You can use..to ....
E.g:
You can use a mouse to select from a menu
Task 8: In groups, decide which input device is best for
writing
Task 9: Fill in the blanks in this comparison of digital cameras and film cameras
1. download
2. computer
3. mainpulate
4. print
5. web page
6. present display
7. expensive
8. film
9. take
10. film
11. better
12. scan
Homework
Answer these following questions
1. What is an input device?
2. What are the commoninput device?
3. What are they used for?
a. Touch screen
b. Tracker ball
c. Barcode reader
d. Digital camera
e. Microphone
f. Joy stick
g. Graphic tablet
h. Scanner
Turning in
Task 2: Work in pairs, try to list the uses of these devices
Task 3: How voice input works. Label the steps in the process with these captions
a. The computer compares the binary code with its stored vocabulary
b. The user says a word into a microphone
c. The screen displays the correct word
d. The speech recognition board converts the signals into binary numbers
e. The microphone converts the word from audio signals into eclectrical signals
1. b
2. e
3. d
4. a
5. c
Task 4: Now listen to the recording to check your answer
Reading
Task 5: Each text describes one of these devices: trackerball, joystick, lightpen, scanner. Identify the device each text describes. Write your answer in the table
Text
Device
1
2
3
4
Joystick
Trackerball
Graphics tablet
Scanner
Task 6: Match each device (1-7) with its use (a-g)
Device
Use
lightpen
scanner
digital camera
mouse
keyboard
microphone
joystick
Draw picture onto a conputer screen
Copy document
Input sound
Input text
Select from a menu
Move the cursor rapidly
Produce photos without film
Task 7: Describe the use of each device in a sentnece. Use these structures:
... is/are used in ....
... is/are used/or.. -ing
Using ... you can .....
You can use..to ....
E.g:
You can use a mouse to select from a menu
Task 8: In groups, decide which input device is best for
writing
Task 9: Fill in the blanks in this comparison of digital cameras and film cameras
1. download
2. computer
3. mainpulate
4. print
5. web page
6. present display
7. expensive
8. film
9. take
10. film
11. better
12. scan
Homework
Answer these following questions
1. What is an input device?
2. What are the commoninput device?
3. What are they used for?
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