Top Banner
Professor Michael J. Losacco CIS 1150 – Computer Information Systems Managing a Digital Lifestyle Chapter 8
11

Communications and Networks

Feb 25, 2016

Download

Documents

Boris

Chapter 8 . Communications and Networks. Overview. Discuss Connectivity Discuss The Wireless Revolution Describe Communication Channels Discuss Connection Devices Discuss Connection Services Describe Data Transmission Factors Describe Different Types Of Networks - PowerPoint PPT Presentation
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Communications and Networks

Professor Michael J. LosaccoCIS 1150 – Computer Information Systems

Managing a Digital Lifestyle

Chapter 8

Page 2: Communications and Networks

Chapter

8

2/11

Overview

Digital Convergence

Analog and Digital Signals

Digital Publishing

E-Text

E-Reader

Digital Media

Protection of Digital Property

Page 3: Communications and Networks

Chapter

8

3/11

Digital Convergence

Single Unifying Device to Meet Digital Needs

Media

Internet

Entertainment

Telephone

Internet of Things (IoT)

Networking Common Household Items

Digital Living Network Alliance (DLNA)

Standardize Appliances and Devices Used in Homes

Page 4: Communications and Networks

Chapter

8

4/11

Digital Basics

Any Kind of Information Can Be Digitized

AnalogContinuous Waves

DigitalLong Strings Of Numbers

Analog-to-digital Conversion (ADC)

Page 5: Communications and Networks

Chapter

8

5/11

Digital Publishing

E-Text (Electronic Text)

Textual Information Captured Digitally

E-Readers

Device that Displays E-text

Has Supporting Tools

Allure of Digital Publishing

Distribution

E Ink (Electronic Ink)

Sharp Grayscale Representation of Text

Page 6: Communications and Networks

Chapter

8

6/11

Digital Publishing

Using E-Texts

Amazon Kindle

Barnes and Noble Nook

Free Versions Run on PC

Project Gutenberg

42,000 Free Books

Self-publish

http://mikelosacco.info

Page 7: Communications and Networks

Chapter

8

7/11

Digital Media

Digital Rights Management (DRM)System of Access

Limited Use of Legally Purchased Material

MusicSampling Rate

Number of Times Analog Wave Measured Each Second

MP3 (MPEG Audio Layer III)Lossy Compression

Approximations and Data Discarding to Represent Content

Ripping

Page 8: Communications and Networks

Chapter

8

8/11

Digital Media

PhotographyImage Quality

Lenses

Image Sensor Size

File Format and Compression

Color Management Software

Camera ResolutionNumber of Data Points Captured for Each Image

File FormatsJPEG

Files Can Be Compressed to Varying Degrees

Page 9: Communications and Networks

Chapter

8

9/11

Digital Media

Video

Sources

Television

Internet

Pay Services

Amazon, Hulu, iTunes, Netflix

Camcorders and Webcams

Codec

Rules for Audio / Video Compression

Page 10: Communications and Networks

Chapter

8

10/11

Digital Media

Video

High Definition

Standard that Guarantees Resolution and Aspect Ratio

Formats

Page 11: Communications and Networks

Chapter

8

11/11

Protection of Digital Property

Intellectual Property CategoriesCopyright

Creator of Original Work of Authorship

PatentInventors

TrademarkWord, Phrase, Symbol, Design

Uniquely Identifies and Differentiates Product

Service Mark

Trade DressVisual Appearance of Product or its Packaging