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
DATA PROCEDURE HARDWARE SOFTWARE PEOPLE Information System Component
FIVE TYPE OF INFORMATION SYSTEM Transaction Processing System Management Information System Decision Support System Executive Information System Expert System 1 2 3 4 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
DATABASE DATABASE MANAGEMENT SYSTEM Microsoft Access Oracle OpenOffice.org Base
SOFTWARE SYSTEM SOFTWARE APPLICATION SOFTWARE WORD PROCESSOR PRESENTATION SPREADSHEET DATABASE (DBMS) GRAPHIC UTILITY OPERATING SYSTEM GAMES
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.