1. Transaction Processing Systems
(TPS)
For business transactions
which involves
collection, modification
and retrieval of all
transaction data
Highlights performance,
reliability and
consistency
ATOMIC: all database changes
for an entire transaction are
completed
CONSISTENT: updates changes
in database
ISOLATED: concurrent
applications do not interfere each
other
DURABLE: Complete database
operations are permanently
written
Information
Processing
System
2. Where is it used?
•adapt to the availability of application servers
•Controlling the rate and order of tasks that are processed
Scheduling and load
balancing
•Maintains operating system resources to be used
•loads application programs
Managing system
resources
•Monitors the progress of task
•Adjusts task prioritiesMonitoring
•Obtaining required data needed by tasks
•locking data for update and logging changesManaging data
•Monitoring communications with users, servers and systems
•managing data handling and conversion
Managing
Communications
•starting tasks at predefined times
•logging the date and time of events onto diskTime Management
7. Knowledge Work Systems (KWS)
Managing knowledge in
organizations
Supports creation,
capture, and storage
Helps in dissemination of
information
8. Where is it used?
Fororganizationswith:
Feedback database: shares this feedback with
their design and research and development
departments
Shared project files: shared files and information
that allows everyone on the team to work
collaboratively
Research files: conducts focus groups to find out
what is needed in their product or market niche
9. Examples
CAD Systems
• Computer
Aided Design
• Automate
creation and
revision of
design
• Provide
precise
manufacturi
ng control
Case-Based
Reasoning System
• Represents
knowledge
as cases –
description
s of
problems
with
solutions
Investment
Work Stations
• High-end PC
in the
financial
sector
• Used to
analyze
trading
situations
instantaneou
sly
10. Decision Support System (DSS)
supports business and
organizational decision-
making activities
properly designed Decision
Support System
interactive software-based
system intended to help
decision makers compile
useful information
helps identify and solve
problems and make decisions
computerized
information
system
11. Where is it used?
Business
• Accessing all of your current
information assets
• Comparative sales figures between
one week and the next
• Projected revenue figures based on
new product sales assumptions
• consequences of different decision
alternatives, given past experience in
a context that is described
13. Executive Support Systems (ESS)
allows you to turn your
organization's data into
useful summarized
reports
billing, cost
accounting , staffing,
scheduling, and more
Summarizes
company’s
performance
gain direct
access to
information
access to reports
coming from all
company levels and
departments
16. Group Decision Support Systems
(GDSS)
Definition
assists users in making
decisions by facilitating
group collaboration
supports project
collaboration through the
enhancement of digital
communication with
various tools and resources
includes features such as
presentation material,
commenting and
brainstorming, voting and
evaluation of decisions