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Proposal for a Time-Sharing Computer System with Sound Management in Tanzania Schools

This proposal outlines a time-sharing computer system designed for educational use in Tanzania, addressing issues faced by two schools currently operating with limited resources. The existing setups have significant challenges, such as audio issues, misassigned keyboards, and out-of-order mice, necessitating a more robust system. We propose integrating automated systems for better user experience while considering low-cost, user-friendly, and low-maintenance criteria. Our conceptual designs explore software options like MDM and Userful, alongside hardware solutions like an automated USB hub, projecting considerable cost savings for future implementations.

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Proposal for a Time-Sharing Computer System with Sound Management in Tanzania Schools

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  1. Manager Webmaster Document Prep Presentation Prep Lab Coordinator Faculty Facilitator David Wilson Tim Haynie Andy Bruinsma Bret Charboneau Billy Mattingly Rama Mukkamala Time-Sharing Computer System with Sound Management Proposal Team 4

  2. Presentation Overview • Background • Customer Needs • Design Criteria • Conceptual Designs

  3. Tanzania, Africa George & Vickie Rock

  4. Lack of Resources

  5. Current Setup • Two schools have 6 seat setups with 1 computer • System has problems registering and there is no audio

  6. Issues with Current Setup • Keyboards are assigned to wrong Screen • Mice are clicked out of order • USB cables when unplugged cause system to become confused

  7. Customer Needs • Third School to be added • Sound for individual sessions • Automated keyboard and mouse

  8. Deliverables • Automated Association of • Monitor • Keyboard • Mouse • Integrate Audio at each station

  9. Design Criteria • Low Cost • User Friendly • Low Power • Can be Replicated • Low Maintenance

  10. Conceptual Designs - Software • Linux (Ubuntu) • MDM (Multi-seat Display Manager) • GDM (GNOME Display Manager) • Userful (Commercial Software)

  11. Multi-seat Display Manager • Specifically designed for multiple seats • Runs nested, virtual sessions • Pros • Free • Currently being used in Tanzania • Cons • Less support • Easy for users to make mistakes

  12. GNOME Display Manager • Current Ubuntu configuration • Multiple user system • Pros • Inexpensive • Common display manager • Cons • Not currently used in Tanzania • Not designed for more than two seats

  13. Userful • Commercial software • Designed for up to 10 seats • Pros • It does everything! • Solves audio problem • Solves automation problem • Cons • Cannot alter configuration files • More expensive (roughly 35% per seat)

  14. Conceptual Designs - Hardware • Automated USB Hub • Device will perform automatic registration for Keyboard, Mouse and Sound • May require additional custom software • Will not be needed with Userful solution

  15. AUDRI - Automatic USB Device Registration Interface

  16. Cost Analysis - Per Seat MDM Userful • Software • USB audio • USB hub • Enclosure • Total • Software • USB hub with audio • Total = $69 • - Free • - $20 • - $20 • - $5 • = $45

  17. Cost Savings • Comparing MDM and Userful • $24 saved per seat x 6 seats per school = $144 • 3 schools x $144 = $432 • If implemented in 100 schools (600 seats) • Savings of $14,400

  18. Questions?

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