Programming_2

Programming_2

1. Data information

   • Data, Process, Output
   • Constants
     • Literal = a value used in a computer program i.e. 3.1416
     • Constant = A literal value which doesn’t change in the computer program
     • Meaningful identifier i.e. Pi
   • Variable
     • Normally referenced by an identifier i.e. Total, sum, group etc…
     • The data in a variable can change while the program is running
   • Data types
     • Character
     • Integer
     • Real
     • Boolean
     • String
   • Arrays
     • One dimensional array = a linear list
     • Two dimensional array = a table
     • A series of array elements that are all the same data type Each element can change therefore each element is a variable

2. Boolean

   • AND, OR, NOT

3. Data Structures

4. Program flow control

5. Procedures&Funtions

6. Scope