Task for unit 6 Capture your favourite image Exercise C

Task for unit 6 Capture your favourite image

Exercise 1.C

1. 
   Which device is used to input text and graphic images from a printed page?
   

This is a scanner.

2. 
   How does a scanner send information to the computer?
   

It scanner reads the image as a series of dots and then generates the digitized image that is sent to the computer to strore as a file.

3. 
   How do digital cameras store photographs?
   

A digital camera takes photos electronically and converts them into digital data(binary code).

4. 
   What feature allows mobile phone users to take pictures?
   

Hobile phones with a built-in camera.

5. 
   Which device would you use to take digital video?
   

A camcorder or digital video camera use to take digital video.

6. 
   What kind of software is used to manipulate video clips on the computer?
   

Video editing software is used to manipulate video clips on the computer.

Exercise 2

1. 
   The technology used in scanners is similar to take used in a photocopier.
   
2. 
   The scanned image is sent to the computer,where you can manipulate it.
   
3. 
   To scan text, you need special software called OCR(optical character recognition).
   
4. 
   Flakbed scanners can scan text, colour pictures, small objects.
   
5. 
   Slide scanners are used to scan 35mm slides or films negatives.
   
6. 
   Handheld scanners are used for capturing small pictures and logos.
   

Exercise 6

1. 
   Megapixels
   
2. 
   Optical
   
3. 
   Brighter
   
4. 
   Colour
   
5. 
   Shot
   
6. 
   Reduction