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ACS-1803 Introduction to Information Systems

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ACS-1803 Introduction to Information Systems Instructor: Kerry Augustine Management Information Systems Frameworks Part 2 Lecture Outline 6 ACS-1803 Introduction ... – PowerPoint PPT presentation

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Title: ACS-1803 Introduction to Information Systems


1
ACS-1803 Introduction to Information Systems
  • Instructor Kerry Augustine

Management Information Systems Frameworks Part
2 Lecture Outline 6
2
Learning Objectives
  1. Explain the characteristics of the information
    systems functional framework designed to support
    each unique level of an organization Transaction
    Processing Systems (TPS), Management Information
    Systems (MIS), and Executive Information Systems
    (EIS).

3
Transaction Processing Systems Management
Information Systems
  • Text, p. 235 242 269 270 272 - 274

4
Online vs Batch Processing
  • P. 236
  • Source documents (e.g., drivers license
    application on paper) can be entered into a TPS
    as they are handed-in OR
  • Can be collected in a batch and later entered as
    a batch
  • Use online when customer needs immediate
    notification of success or failure of a
    transaction

5
Ways of entering data into TPS
  • Manual typed-in by hand
  • Semi-automated grocery checkout scan OR ordering
    book on amazon.com (person is still involved)
  • Fully-automated computer of the buyer talks
    directly to computer of the seller (EDI)

6
Transaction Processing Activities
  • P. 238 - 242
  • TPSs capture and process data that describes
    fundamental business transactions
  • Data collection, data editing, data correction,
    data storage, data manipulation, document
    production
  • Make brief notes

7
Point-of-Sale Systems
  • e.g., electronic cash registers
  • for a retailing business transaction level
  • Can decrease inventory at check-out
  • Data entered in various ways
  • e.g. bar code scanning
  • Quicker check-out procedures
  • Decreased clerical costs

8
An Overview
  • Of Transaction processing systems (operational)
  • and
  • Management reporting systems (tactical)

9
Transaction Processing System
10
Transaction Processing System
TPSs are a special class of information system
designed to process business events and
transactions
  • Architecture Components
  • Source Documents these contain the event or
    transaction information to be processed by system
  • Data Entry Methods
  • Manual a person entering a source document by
    hand
  • Semiautomated using a capture device to enter
    the source document (e.g. a barcode scanner)
  • Fully Automated no human intervention, one
    computer talks or feeds another computer (e.g.
    automatic orders from inventory systems)
  • Processing transactions can be either
  • Online processed individually in real-time
  • Batch grouped and processed together at a later
    time

11
System Example Payroll System (TPS)
12
Management Information System
13
Management Information System
  • Usually tactical and sometimes strategic
  • Provides managers and decision makers with
    information to help achieve organizational goals
  • P. 269 - 270 272 274 makes notes on types of
    outputs from an MIS

14
System Architecture Management Information System
15
Systems That Span Organizational Boundaries
Geographic Information Systems
16
Systems That Span Organizational Boundaries
Geographic Information Systems
17
Functional Area Information Systems
18
Functional Area Information Systems
  • Functional Area Information Systems
  • Cross-organizational information systems are
    designed to support a specific functional area
  • Supported Activities
  • The following functional organizations have
    systems to support their operational and
    managerial activities
  • Accounting
  • Finance
  • Human Resources
  • Marketing
  • Operations

19
System Examples Functional Area Info Systems
20
Functional Area Information Systems
21
Functional Area Information Systems - Accounting
Information Systems
  • Lecture Outline 6a Accounting Information
    System (AIS)
  • Lecture Outline 6b - Basic Subsystems in the AIS

22
System Examples Functional Area Info Systems
23
Functional Area Information Systems
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