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Business data communications - PowerPoint PPT Presentation

IGI Global Electronic Databases

IGI Global Electronic Databases

IGI Global Electronic Databases. Overview of IGI Global Research and New XML-Powered E-Resources Platform. www.igi-global.com. IGI Global.

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613 views • 36 slides
Chapter 7: Internet-Based Applications

Chapter 7: Internet-Based Applications

Chapter 7: Internet-Based Applications. Business Data Communications, 6e. Message Preparation Word processing Annotation Message Sending User directory Timed delivery Multiple addressing Message priority Status information Interface to other facilities. Message Receiving

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439 views • 32 slides
Chapter 6: Data Transmission

Chapter 6: Data Transmission

Chapter 6: Data Transmission. Business Data Communications, 4e. Electromagnetic Signals. Function of time Analog (varies smoothly over time) Digital (constant level over time, followed by a change to another level) Function of frequency (more important) Spectrum (range of frequencies)

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305 views • 20 slides
IS 477 BUSINESS DATA COMMUNICATIONS Design 1

IS 477 BUSINESS DATA COMMUNICATIONS Design 1

IS 477 BUSINESS DATA COMMUNICATIONS Design 1. Overview. Designing a LAN for a small company (<10 people) Needs analysis Technology design Cost assessment. 2x2 Classification Table. APPLICATION. High Traffic. Typical. 100. 100/1000. Typical. USER. High Traffic. 100/1000. ???.

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265 views • 17 slides
Chapter 3 : Distributed Data Processing

Chapter 3 : Distributed Data Processing

Chapter 3 : Distributed Data Processing. Business Data Communications, 4e. Centralized Data Processing. Centralized computers, processing, data, control, support What are the advantages? Economies of scale (equipment and personnel) Lack of duplication Ease in enforcing standards, security.

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565 views • 15 slides
Chapter 2 : Business Information

Chapter 2 : Business Information

Chapter 2 : Business Information. Business Data Communications, 5e. Analog Data. Continuous signal Expressed as an oscillation (sine wave format) of frequency Information rate and channel capacity are measured in hertz (Hz) of bandwidth (1 Hz = 1 cycle per second). Basic Analog Terms.

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154 views • 15 slides
Chapter 2 : Business Information

Chapter 2 : Business Information

Chapter 2 : Business Information. Business Data Communications, 5e. Analog Data. Continuous signal Expressed as an oscillation (sine wave format) of frequency Information rate and channel capacity are measured in hertz (Hz) of bandwidth (1 Hz = 1 cycle per second). Basic Analog Terms.

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165 views • 15 slides
Business Data Communications

Business Data Communications

Business Data Communications. Packetizing and Framing. Agenda. Why we break things up for transmission Limits to the process Packetization Framing. Why Break Things Up?. If you had a big file (an illegal MP3 perhaps) and wanted to transmit it, why not just send the whole thing at once?

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251 views • 12 slides
Business Data Communications

Business Data Communications

Business Data Communications. Addressing at the DLL. Data Link Layer Addresses. Must provide a unique identifier for a piece of equipment that is attached to a shared medium. Otherwise, when a frame was put on a shared medium, who could be sure that to whom it was sent?

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156 views • 5 slides

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