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 Range8

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