Upload
blanche-norris
View
213
Download
0
Tags:
Embed Size (px)
Citation preview
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