2. DATA INFORMATION INFORMATION SYSTEM process raw fact meaningful unprocessed fact is a collection of hardware, software, data, people and procedure that collects data, process data and provide information
4. FIVE TYPE OF INFORMATION SYSTEM Transaction Processing System Management Information System Decision Support System Executive Information System Expert System 1 2 3 4 5
5. BIT BYTE FIELD RECORD 0 01000001 TABLE Afiqah bt. Salahudin 1 Afiqah bt. Salahudin 80 57 57 64 85 1 byte = 8 bits smallest unit 0 or 1 field is represented by a column record is represented by a row
7. SOFTWARE SYSTEM SOFTWARE APPLICATION SOFTWARE WORD PROCESSOR PRESENTATION SPREADSHEET DATABASE (DBMS) GRAPHIC UTILITY OPERATING SYSTEM GAMES
8. PRIMARY KEY FOREIGN KEY Primary key is a field that contains a value uniquely identifies each record in the table. A foreign key is a field in a relational table that matches the primary key column of another table.