Types+of+information+systems

= ﻿ **Types of information systems** =

1- Transaction processing system (Tps).
== is a computerized system that performs and records daily routain transactions, also is main source of information that is analyzed data on operation of the operating data to be information of other systems(Mis-Dss). ==

output:report predefined.
= 2-Management information system(Mis). =

output: routain report (usually for month ).
= 3-Decision support system (Dss). =

output: non routain report.
= 4-Executive support systems (Ess). =

output:graphs .. etc.
=**// zeina Hilal......... //**=