PROGRAMMING

PROGRAMMING

1. DEFINITIONS:

   • STATEMENT: A SINGLE INSRTUCTIONWITHIN A PROGRAM
     • SUBROUTINE: A SET OF INSTRUCTIONS THAT PERFORM A SPECIFIC TASK
       • PROCEDURE: ITS A SUBROUTINE THAT EXECUTES STATEMENTS
         • FUNCTION: A SUBROUTINE THAT RETURNS A VALUE
           • PARAMETER: ITEM OF DATA THAT IS GIVEN TO A PROCEDURE

2. CONSTRUCTS:

   • SEQUENCE
     • SELECTION
   • ITERATION

3. DATA STRUCTURES:

   • RECORDS
   • ARRAYS

4. DATA TYPES

5. FILE STORAGE

   • serial
     • sequential
       • index sequential

6. importance of a good interface

   • What makes a good interface
     • User-friendly Should be effective, efficient and satisfying Input and output data accurately Makes best use of facilities available to the program Increase the productivity of the user End user is comfortable with and enjoys using Program is easy to learn