Information Systems in Organizations

2.2 Systems Architecture: Devices, Network, Data and Apps

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Course Topics Overview• Unit 1: Introduction• Unit 2: Systems Analysis (conclusion)• Unit 3: Organizational Systems• Unit 4: Consumer Systems

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Unit 2: Systems Analysis

2. Systems analysis: what makes a system tick?

2.1. Analyzing organizations as systems and processes2.1.1. Process decomposition: swim lane diagrams

2.1.2. Data modeling: entity relationship diagrams

2.2. Systems architecture: devices, network, data, apps2.2.1. Visualizing architecture: conceptual diagramming

2.2.2. Ex. of legacy, contemporary, and future information systems

?What is “conceptual diagraming”?

Sell the idea

Informal/Lightweight

Marketing View

Guide the Architect

Refined Later

Big Picture

have

?Let’s create a conceptual diagram …

• Worksheet “System Analysis : Conceptual Architect Diagram”

?How have healthcare IT systems evolved over the years?

and reimbursement

?How have the systems that support a major university evolved over the years?

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Class exercise

• Worksheet : “Reading Symbols”

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Next week – September 22

• Learn IT # 2 is due at the beginning of the class. Bring hard copy of your one page swim lane diagram for drive-through ordering at a fast food restaurant.

• Quiz # 1 at the start of the class (covers Unit 1 and Unit 2) – you need a #2 pencil.

• Activities sheets from previous weeks are now posted on our class site (on Class slides tab).

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Unit 2: Systems Analysis

2. Systems analysis: what makes a system tick?

2.1. Analyzing organizations as systems and processes2.1.1. Process decomposition: swim lane diagrams

2.1.2. Data modeling: entity relationship diagrams

2.2. Systems architecture: devices, network, data, apps2.2.1. Visualizing architecture: conceptual diagramming

2.2.2. Ex. of legacy, contemporary, and future information systems