Podcast
Questions and Answers
What is the primary function of the controller in the blackboard architectural style?
What is the primary function of the controller in the blackboard architectural style?
Which component in the blackboard system is primarily responsible for holding global data?
Which component in the blackboard system is primarily responsible for holding global data?
How do the knowledge sources operate within the blackboard architecture?
How do the knowledge sources operate within the blackboard architecture?
In N-Tier Architecture, which tier is responsible for data management?
In N-Tier Architecture, which tier is responsible for data management?
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What is a key characteristic of the Pipes and Filters design pattern?
What is a key characteristic of the Pipes and Filters design pattern?
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What advantage does using N-Tier Architecture provide?
What advantage does using N-Tier Architecture provide?
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Which of the following is NOT a component of the blackboard architecture?
Which of the following is NOT a component of the blackboard architecture?
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In Unix/Linux, how are data processed using the Pipes and Filters pattern?
In Unix/Linux, how are data processed using the Pipes and Filters pattern?
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What role does the blackboard play in managing knowledge sources?
What role does the blackboard play in managing knowledge sources?
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What is the primary challenge when implementing the Pipes and Filters design pattern?
What is the primary challenge when implementing the Pipes and Filters design pattern?
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Study Notes
Pipes and Filters Architecture
- Data flows in one direction from source to target via filters, ensuring a clear processing order.
- Filters can consume data from or produce data to multiple ports, allowing for concurrent processing.
- The output of one filter becomes the input for another; hence, the order of filters is critical.
- An example showcases processing data streams by breaking down tasks into separate filters within the system.
- Commonly used in Unix/Linux, pipes allow for the connection of multiple commands to process data sequentially.
- Command examples for filtering data include:
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cat sample: Displays contents of the file. -
grep -v a: Outputs items excluding the lowercase 'a'. -
sort -r: Sorts the output in reverse order.
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Blackboard Architecture
- Utilized for problems lacking deterministic solutions, connecting various subsystems sharing data.
- Composed of three main elements: Blackboard (data repository), Controller (process moderator), Knowledge Sources (specialized data processors).
- The blackboard maintains a central repository accessible to all components, allowing collaborative data use and updates.
- The controller oversees interactions between knowledge sources and the blackboard, coordinating data flow.
- Knowledge sources produce and update data on the blackboard, contributing unique representations of problems.
n-Tier Architecture
- Characterized by multiple layers, typically including Presentation, Business, and Data tiers.
- Client-server interactions do not occur directly with the database; instead, communication is facilitated through multiple servers.
- The Presentation Tier serves as the user interface layer.
- The Business Tier processes the application logic independent of direct database interactions.
- The Data Tier houses the database server, responsible for data management and transaction processing, using stored procedures for business logic integration.
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Description
This quiz explores the fundamental concepts of Pipes and Filters Architecture alongside Blackboard Architecture in data processing systems. It delves into the mechanics of data flow, the importance of filter sequencing, and the role of blackboards in non-deterministic problem-solving. Test your knowledge of these two integral architectures and their use in programming environments like Unix/Linux.
