SYANDES

QUIZ # 3Marien Meddy Fae S. Fajardo K32

Transaction Processing Systems

• an information system designed to process routine business transactions

• seeks time- and cost-efficiency by automating repetitive operations in large volumes

• interfaces with an organization’s other information systems, such as IRS, DSS, EIS

• centers around accounting and finance transactions

• e.g,, airline reservation systems, order entry/processing systems, bank’s account processing systems

• centers around accounting and finance transactions

• e.g,, airline reservation systems, order entry/processing systems, bank’s account processing systems

Where is it being used?

• IBM Customer Information Control System (CICS) - 1969. A transaction manager designed for rapid, high-volume online processing, CICS originally used standard system datasets.

• IBM Information Management System (IMS) - 1966. A joint hierarchical database and information management system with extensive transaction processing capabilities. 

• Tuxedo - 1980s. Transactions for Unix, Extended for Distributed Operations developed by AT&T Corporation, now owned by Oracle Corporation. Tuxedo is a cross-platform TPS.

TPS SYSTEM EXAMPLES

• OAS are configurations of networked computer hardware and software

• A variety of office automation systems are now applied to business and communication functions that used to be performed manually or in multiple locations of an organization.

Office Automation System

• Electronic publishing

• Electronic communication

• Electronic collaboration

• Image processing

• Office management

Where is it being used?

a methodology that optimizes human interfaces with the business process.

a tool kit that integrates processes and software applications to execute work.

a mechanism to capture institutional knowledge, promote productivity and improve quality

Knowledge Work Systems

Employee performance evaluation system

Contract requirements and monitoring

Monitoring budget execution

Property usage reporting

Where is it being used?

• CAD• Virtual reality• VRML• Investment workstations

KWS SYSTEM EXAMPLES

• provide support primarily to analytical, quantitative types of decisions.

DECISION SUPPORT SYSTEM

EXECUTIVE SUPPORT SYSTEM

support the informational roles of executives

• supports managers and staff working in groups.

GROUP DECISION SUPPORT SYSTEM

Decision Support System

Definition:• Computer-based information systems that provide

interactive information support to managers and business professionals during the decision-making process using the following to make semi-structured or unstructured business decisions

– Analytical models– Specialized databases– A decision maker’s own insights and judgments– An interactive, computer-based modeling process

• DSSs can examine numerous alternatives very quickly.

• DSSs can provide a systematic risk analysis.

• DSSs can be integrated with communications systems and databases.

• DSSs can be used to support group work.• DSSs can perform these functions at

relatively low cost.

Group Decision Support System

• Virtual group is a group whose members are in different locations.

• Group decision support system (GDSS) is an interactive computer-based system that supports the process of finding solutions by a group of decision makers.

• Decision room is a face-to-face setting for a group DSS, in which terminals are available to the participants.

Executive Support System

Definition:

• Information systems that provide top executives, managers, analysts, and other knowledge workers with immediate and easy access to information about a firm’s key factors that are critical to accomplishing an organization’s strategic objectives

• Information presented in forms tailored to the preferences of the executives using the system

– Customizable graphics displays– Exception reporting– Trend analysis– Drill down capability

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