RAPTOR_2

RAPTOR_2

1. What is it?

   • visual programming development enviroment
     • based on flowcharts
       • collection of connected graphic symbols
         • specific type of instruction
           • to be executed
         • of actions to be performed
         • by arrows
   • development enviroment
     • visual
       • diagrams

2. functions

   • sumarize algorythms
     • follow the flow of information execution
   • teach
     • desing
       • algorythms
     • execute
   • show programmers mistakes
     • to correct them

3. program structure

   • main symbols
     • START
     • END
   • six basic symbols
     • unique type of instruction
     • assignment
       • Change the value of a variable using some type of mathematical calculation.
     • call
       • execute a group of instructions defined in a procedure
     • input
       • get the data values
         • needed to accomplish the task
       • allow the user to enter the data
     • output
       • display the values to accomplish the task
     • processing
       • manipulate the data values to accomplish the task
     • they all do solesmething to variab

4. variables

   • beggining
     • no variable exist
     • automatically created
       • at the creation

5. raptor variables

   • computer memory location
     • hold a data value
   • includes values
     • changes the execution off a program
       • By the value entered from an input statement.
       • By the value calculated from an equation in an assignment statement.
       • By a return value from a procedure call
   • automatically created