Information Systems at Hochschule Für Wirtschaft Und Recht Berlin | Flashcards & Summaries

Lernmaterialien für Information systems an der Hochschule für Wirtschaft und Recht Berlin

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TESTE DEIN WISSEN
What is the 'naive approach" when solving normalization problems?
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TESTE DEIN WISSEN
Store different data that does not belong to each other on different tables
Then create references to the tables 
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TESTE DEIN WISSEN
Kiss -principle
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TESTE DEIN WISSEN
Keep it simple and stupid
  • Prefer the simple solution
  • Reduces costs and points of failure

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TESTE DEIN WISSEN
How does symmetric encryption work?
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TESTE DEIN WISSEN
- Need encryption key to translate cipher text into plain text
- eG. Use the next level in the alphabet, or replace letter with its position in the alphabet
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TESTE DEIN WISSEN
What il clustering?
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TESTE DEIN WISSEN
- Allows more targeted advertisement & belter distribution of infos
- determine whether clusters in a network exist
- people in a cluster share the same properties


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TESTE DEIN WISSEN
What are business information systems?
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TESTE DEIN WISSEN
A combination of hardware software and telecommunications networks that people set to collect, create and distribute data
Commonly aspects: people, data, hardware, software and process
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TESTE DEIN WISSEN
Complex vs. Complicated and why it is important
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TESTE DEIN WISSEN
Complex
  • Involves many unknown and interrelated factors
  • No simple solution
Complicated
  • Tries to solve a simple problem in a complicated way
  • Often more simple solution but are not necessarily better‚

Why is it important?
  • For process optimizaticen: to have complicated problems and find easy solution can be cheaper
  • Solving a complex problem can give you a competitive advantage (harder to crack) 
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TESTE DEIN WISSEN
What is a software
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TESTE DEIN WISSEN
The application processing data
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TESTE DEIN WISSEN
What basic assets does a website consist of?
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TESTE DEIN WISSEN
1. Html-files
Basic structure and content
References to other resources
Hierarchical
2. CSS- cascading style sheet
Modifies how HTML appears
References to other sources 
3. Images
4. Java script
Adds applications like functionality to a website
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TESTE DEIN WISSEN
Why is there a need to adjust business processes?
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TESTE DEIN WISSEN
Because environments change
Change drivers: why change?
Change effect. What needs to change?
Processes change: existing processes and new processes
Change process , how to transition?
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TESTE DEIN WISSEN
What are the two types of clients aka. Computer programs?
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TESTE DEIN WISSEN
1. Fat client
- has most layers in the client
- whole functionality in a single application
- require updates
EG. Excel

2. Thin client
- only acts as a presentation
- business logic and data is handled on a server
- updates don't require change of
 client
- more generic
EG facebook
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TESTE DEIN WISSEN
The special case of mobile apps is not thin and not a fat client?
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TESTE DEIN WISSEN
→ API _ application programme interface
- logic stored on client side and server
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TESTE DEIN WISSEN
What are different ict systems?
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TESTE DEIN WISSEN
CRM _ customer relationship management i
Keeps records of: customers, interaction, orders
 Accounting software
Keeps ledger, invoices
CMS_ content Management system
Stores content, provides users with simple editing interface
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  • 16962 Karteikarten
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  • 27 Lernmaterialien

Beispielhafte Karteikarten für deinen Information systems Kurs an der Hochschule für Wirtschaft und Recht Berlin - von Kommilitonen auf StudySmarter erstellt!

Q:
What is the 'naive approach" when solving normalization problems?
A:
Store different data that does not belong to each other on different tables
Then create references to the tables 
Q:
Kiss -principle
A:
Keep it simple and stupid
  • Prefer the simple solution
  • Reduces costs and points of failure

Q:
How does symmetric encryption work?
A:
- Need encryption key to translate cipher text into plain text
- eG. Use the next level in the alphabet, or replace letter with its position in the alphabet
Q:
What il clustering?
A:
- Allows more targeted advertisement & belter distribution of infos
- determine whether clusters in a network exist
- people in a cluster share the same properties


Q:
What are business information systems?
A:
A combination of hardware software and telecommunications networks that people set to collect, create and distribute data
Commonly aspects: people, data, hardware, software and process
Mehr Karteikarten anzeigen
Q:
Complex vs. Complicated and why it is important
A:
Complex
  • Involves many unknown and interrelated factors
  • No simple solution
Complicated
  • Tries to solve a simple problem in a complicated way
  • Often more simple solution but are not necessarily better‚

Why is it important?
  • For process optimizaticen: to have complicated problems and find easy solution can be cheaper
  • Solving a complex problem can give you a competitive advantage (harder to crack) 
Q:
What is a software
A:
The application processing data
Q:
What basic assets does a website consist of?
A:
1. Html-files
Basic structure and content
References to other resources
Hierarchical
2. CSS- cascading style sheet
Modifies how HTML appears
References to other sources 
3. Images
4. Java script
Adds applications like functionality to a website
Q:
Why is there a need to adjust business processes?
A:
Because environments change
Change drivers: why change?
Change effect. What needs to change?
Processes change: existing processes and new processes
Change process , how to transition?
Q:
What are the two types of clients aka. Computer programs?
A:
1. Fat client
- has most layers in the client
- whole functionality in a single application
- require updates
EG. Excel

2. Thin client
- only acts as a presentation
- business logic and data is handled on a server
- updates don't require change of
 client
- more generic
EG facebook
Q:
The special case of mobile apps is not thin and not a fat client?
A:
→ API _ application programme interface
- logic stored on client side and server
Q:
What are different ict systems?
A:
CRM _ customer relationship management i
Keeps records of: customers, interaction, orders
 Accounting software
Keeps ledger, invoices
CMS_ content Management system
Stores content, provides users with simple editing interface
Information systems

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