CIT597 Quiz 1 Fall, 2004

Name_________________________________________

1. (20 points) What HTML tag would you use for:
   

   a. Inserting a picture: <img>	c. Inserting a line break: <br>
   b. Linking to another page: <a>	d. Inserting a multi-line Java program: <pre>

   
   
2. (20 points) Circle T for true, F for false:
   1.     F  A font is legible if it is good for long passages of text.
   2.  T     The use of frames makes it hard to bookmark a particular page.
   3.  T     Every <img> should have an alt tag.
   4.     F  Edge detection is based primarily on color differences.
   5.     F  Dr. Dave recommends the use of a grammar checker.
   6.  T     CSS is used to give related pages a consistent look.
   7.     F  All XML tag names must be lowercase.
   8.  T     All XHTML elements must be closed.
   9.     F  DHCP assigns permanent IP addresses to computers.
   10.     F  Programs that process XML should quit if the XML is invalid.
       
       
3. (16 points) Name these four design principles:
   
   
   1. Proximity : Related items should be grouped together.
      
      
   2. Alignment : Every item should have a visual connection with some other item.
      
      
   3. Repetition : Related items should all have some visual elements in common.
      
      
   4. Contrast : Emphasize the difference between different items.
      
      
4. (5 points) Write the regular expression \W\w+\W as a Java String.
   
        "\\W\\w+\\W"
   
   
5. (20 points) Fill in the blanks (indicate spaces with an underscore):

   String	Pattern	Matched by Java's find method (if more than one match, show the first)
   Sky Captain	[a-z]+	"ky"
   CSS and XML	([A-Za-z]+ )+	"CSS_and_"
   CSS and XML	([A-Za-z] +)+	"S_"
   THX1138	[^0-9]+	"THX"
   foo="bar"	("?)[a-z]+\1	"foo"

   
   
6. (5 points) HTTP typically uses port number 80 .
   
   
7. (4 points) IP addresses consist of four numbers, each in the range 0 to 255
   
   
8. (10 points) Distinguish between well-formed XML and valid XML.
        Well-formed XML is syntactically correct;
        Valid XML conforms to a DTD or other schema.