Computer Concept week7_1

09/03/2010

 
 

Exam	12/03/2010 9:00-12:00
	Close Book

 
 

Revised

• Data Base (Definition)
  
  • DBMS
    
  • File
    
  • Table
    
  • Record
    
  • Field
    
  • Key field
    

     
     

• Data type (Definition, Example, Typical use)
  
  • Digit
    
  • Character
    
  • Alphabetic
    
  • Alphanumeric
    
  • Integer
    
  • Floating point
    
  • Binary
    
  • Real number
    

   
   

• Queries (Definition)
  

   
   

• Type of Database (Definition)
  
  • Flat file
    
  • Relational Database
    
  • Network Database
    
  • Object Oriented Database
    
  • Hierarchical Database
    

   
   

• Operation performed on data structure (Definition)
  
  • Amend
    
  • Insert
    
  • Delete
    
  • Retrieve
    

   
   

• Data structure
  
  • Array
    
  • Queue
    
  • Stack
    
  • List
    
  • Tree
    

     
     

• Type of Data access
  
  • Serial/Sequential
    
  • Relative/Direct/Random
    
  • Index/Sequential