INFORMATION TECHNOLOGY Personal Electronic Devices Information Technology College of Public and Community Service University of Massachusetts at Boston.

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Presentation transcript:

INFORMATION TECHNOLOGY Personal Electronic Devices Information Technology College of Public and Community Service University of Massachusetts at Boston ©2012 William Holmes 1

Personal Data Assistants: Pocket PC’s Calendar Phone numbers Addresses Documents Specialized software Electronic books 2

PDA’s/PPC’s: 2 Presentations Databases External Connections Music/Videos GIS 3

Types of Wireless Communication Wi-Fi Bluetooth Cellular Satellite 4

Wi-Fi Issues: 1 Wireless Fidelity 5 Radio connection Naming connections Encryption Passwords

Wi-Fi Issues: 2 Hot Spots and Dead Zones Pay Sites Distance Issue Interference Hijacking 6

Wireless Bluetooth: 1 7 Bluetooth radio High data transmission Compact equipment Many business apps

Wireless Bluetooth: 2 PDA’s/ Smart Phones/ Peripherals Text Messaging External Communication Networking Hands free peripherals Limited Range 8

CELLULAR COMMUNICATION Longer range Less volume More flexibility Wide network Choice of cell phones Cellular adapters 9

Smart Phones: 1 10 Functionality Music Camera Video Add on Apps

Smart Phones: 2 11 Connects to PED’s Connects to Internet Connects to computers LED projectors

GPS Communication 12 Location finding Mapping Synchronizing Navigating Tracking Location sensitive Apps

GPS Operation 13 Uses Satellite Communication Delays

Graphic Image Capture Scanners Digital Cameras Video/Slide Conversion Digital Video Cameras 14

Portable Data Storage CD/DVD Memory Sticks / Flash Drives SD Cards / Flash Cards Internet Storage External Drives 15

Storage: CD/DVD 16 Changing media Safety of media Access of media

Storage: Memory Sticks 17 Risk of failure Risk of loss Risk of theft Ease of Use Identify

Storage: Memory Cards Compact Flash Cards Secure Digital Cards XD Cards Non-standardization Non-stability 18

Storage: Internet External Simple Variable Cost Security Problems with Downloading Continuity of access 19

Legacy Storage Devices 20 Floppy Disks Zip Drives Digital Tapes