C. Read the text again and answer these questions.
B. Read the text and see how many things from your list are mentioned.
A. In pairs, discuss how ways there are of capturing an image on a computer.
The eyes of your computer
UNIT 6 CAPTURE YOUR FAVOURITE IMAGE
Speech recognition systems
Mouse actions
B. Match the descriptions (1-8) with the names of the keys (a-h). Then find them on the keyboard.
| 1. A long key at the bottom of the keyboard. Each time it is pressed, it produces a blank space. | a. arrow keys |
| 2. It moves the cursor to the beginning of a new line. It is also used to confirm commands. | b. return/enter |
| 3. It works in combination with other keys. For example, you press this key and C to copy the selected text. | c. Caps Lock |
| 4. It removes the character to the left of the cursor or any selected text. | d. shift |
| 5. It produces UPPER CASE characters. | e. tab |
| 6. It produces UPPER CASE letters, but it does not affect numbers and symbols. | f. space bar |
| 7. It moves the cursor horizontally to the right for a fixed number of spaces (in tabulations and data fields). | g. backspace |
| 8. They are used to move the cursor, as an alternative to the mouse. | h. Ctrl |
Complete this text about the mouse with verbs from the box.
| click double-click drag grab select move control |
A. Listen to an interview with Anne Simpson, an expert in voice input technologies and tick (۷)the features she mentions.
Speech recognition systems:
o need a good sound card and a microphone.
o can take dictation with accuracy.
o allow you to create and compile a computer program.
o allow you to execute programs and navigate around menus using voice commands.
o allow you to surf the Web by speaking.
o allow you to design graphics.
B. Listen again and answer these questions.
1. What do people usually use to communicate with a computer?
2. How do you get the best results from speech recognition software?
3. What rate of accuracy is possible with the software?
4. How can you train the software to be more accurate?
5. What kinds of words aren’t in the software’s dictionary?
C. In groups, discuss these questions.
1. What are the benefits of speech recognition software?
2. What kind of tasks would you find speech recognition useful for?
3. Who would benefit most from advances in speech recognition technology?
4. What is the future of this kind of technology? Do you think it will ever be possible to control your computer using only your thoughts?
1. Which device is used to input text and graphic images from a printed page?
2. How does a scanner send information to the computer?
3. How do digital cameras store photographs?
4. What feature allows mobile phone users to take pictures?
5. Which device would you use to take digital video?
6. What kind of software is used to manipulate video clips on the computer?