Overview

The book Basics in Datacommunications - Part 1/3 helps you to understand basic terms of the large field of information and communication technologies and the Open Systems Interconnection (OSI) model specified by International Organization for Standardization (ISO). This book is the seminar handout part 1 of 3 covering the first day of our 3-day seminar Basics in Data Communications . This seminar is intended for all interested in the basics of data communications technologies used in Local Area Networks (LAN) and Wide Area Networks (WAN). Part 1 (this part) covers basic terms in the fields of electricity, magnetism and basic data communication. The Open Systems Interconnection (OSI) Basic Reference Model is explained including little theoretical background and the tasks of the 7 layers. Part 2 covers Local Area Networks and part 3 covers Wide Area Networks. TOPICS of Part 1/3: Magnetism Magnetic Field - Inductance - Electro-magnetic Induction Electrostatics Electrostatic Field - Capacity Current Engineering Direct Current - Alternate Current - Frequency - Frequency Components Information Technology Numbering System (General, Decimal, Hexadecimal) - Coding (Why, What is a Code, Morse, Baudot, ASCII, Unicode) - Information, Message - Transmission (Voice, Data) - Multiplexing (Time Division, Frequency Division, Code Divison, Wavelength Division) - Modulation (of analog and digital carriers signals) Communications Technology Why Networks? - Interfaces - Protocols - Connections - Connection Endpoints - Bit Transmission (asynchronous, synchronous) - Timing - Communication Procedures - Networks (Reach, Topology, Switching Technologies, Internet, Intranet, Extranet) - Standardization Bodies OSI Model History - Today - Terms (Open Systems Interconnection Basic Reference Model) - Architecture - Physical Media - Typical Tasks and Protocol Examples of Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer

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9781496019974

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Ronald Schlager joined the market of communications technologies in 1980. 10 years of experience in design and development of hardware and software of computer and network interfaces as well as packet switching systems of network operators. He is owner of the trainings and consulting company called schlager communications services GmbH (http: //www.schlager-cs.co.at). Since 1988 Ronald Schlager helps his partners to be successful in their job by offering knowledge transfer services in the fields of communications technologies, protocols and their application. He organizes fully neutral and independent seminars and is trainer for decision makers, CIOs, system integrators and specialists. Ronald Schlager is author of (e)books, independent consultant and planner of communications solutions.

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