To Lecture Notes

IT 231 -- 10/9/12

Review Questions

1. Write a Ruby script that inputs the course score and outputs the course grade.
   A == 90..100, B == 80..89, C == 70..79, D == 60..69, F == 0..59.
    
2. Add this method to the Dice class (Example 14) and test it:
   

   def doubles?
       if @die1 == @die2
           return true
       else
           return false
       end
   end
   

   
   
3. Create a Rails project named TestProject. Then do the following:
    
   
   1. Generate a controller named ShowInfo with one action home.
   2. Add another action named page1.
   3. Define titles in the controller for the views.
   4. Modify the application.css stylesheet so that it
      • sets the background color to silver
      • the text color to maroon
      • the font family to Arial
      • the hyperlinks (link_to) to green
      • the size of the h1 tag to 50% larger than the body text
   5. Modify the layout page to display an h1 header containing the title of the project and display an image on all views.
   
   

Project 4

• Look at the Project 4 Description.

Modifying Images with Image Editing Software

• Resizing an image with MS Paint
   
  
  Right Click on image name in MS Explorer >> Select open with Paint. MS-Paint will open. Select Resize Image >> Set the horizontal and vertical boxes to a percentage less than 100 to shrink the image. Save the image.
  
  
• Cropping an image with MS Paint  
   
  
  Right Click on image name in MS Explorer >> Select open with >> paint. MS-Paint will open. Click the Select Button >> Use the mouse to select the rectangular area of the image to keep >> Click the crop button. Save the image.
  
  
• Lightening an image with Adobe Photoshop  
   
  
  Invoke Adobe Photoshop. Select File >> Open >> Browse to desired imaage. Select Image >> Adjustments >> Hue-saturation. Move the Lightness slider to the right. Click OK. Save the image.
  
  

Review for Midterm

• Look at these items on the Exam Info Page.