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EE 766 Computer Interfacing and Protocols

Explore the fundamental concepts of computer interfacing, protocols, standards, and organizations in ECE 766 course. Learn about the OSI model, transmission media, error detection, and more. Understand the importance of protocols, syntax, semantics, and timing in achieving effective communication. Discover the role of standardization bodies like ISO, ITU-T, ANSI, and IEEE in shaping the world of computer interfacing.

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EE 766 Computer Interfacing and Protocols

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  1. EE 766Computer Interfacing and Protocols Winter 2006 Dr. Charles Klein

  2. Introduction Basic Network Concepts OSI Model Encoding and Modulation Transmission Media* Grounding and Shielding* Transmission Lines Error Detection and Correction Asynchronous* Communications Modems, phone and cable Data Link Control Data Link Protocols Local Area Networks USB* ATM Networks(if time) *Class notes Topics Covered ECE 766 Computer Interfacing and Protocols

  3. Introduction • Interfacing:Connection of dissimilar circuits or systems • Aim: Enable communications between computers and (possibly) other devices • Delivery to correct destination • Accuracy • Timeliness • Performance, reliability, and security ECE 766 Computer Interfacing and Protocols

  4. Protocols • A set of rules that govern the operation of functional units to achieve communications(similar to natural languages) • Syntax:  Grammar rulesStructure or format of the data • Semantics:  Interpretation of wordsWhat to do with the retrieved data • Timing:  Talking sequenceWhen and how fast to communicate ECE 766 Computer Interfacing and Protocols

  5. Standards • De Jure (legislated by an officially recognized body) • De Facto (wide-spread use) • Proprietary (closed) • Non-proprietary (open) ECE 766 Computer Interfacing and Protocols

  6. Standard Organizations • International Standards Organization (ISO) • International Telecommunications Union – Telecommunications Standards Sector (ITU-T, part of UN) e.g. V, X series • American National Standards Institute (ANSI, representative in ISO and ITU-T) • European Telecommunications Standards Institute (ETSI) ECE 766 Computer Interfacing and Protocols

  7. Standard Organizations • IEEE Professional Society • EIA Trade association e.g. RS232C • Internet Society (ISOC) and Internet Engineering Task Force (IETF) Internet Draft Request for Comments(RFC) Internet Standard ECE 766 Computer Interfacing and Protocols

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