Overview of terminology, networks, devices related to mobile technology.

1. S
Mobile Devices & Networks
CSC 103 – Intro to Computing

2. Digital Convergence…
 The use of a single unifying
device to handle media, internet,
entertainment and telephony.

3. What makes a smartphone
a smartphone?
 Internet access
 PIM features (Contacts, Calendars, etc.)
 Voice Recording Features
 Music Player & Organization
 Digital Image & Video Capture
 GPS; Computing Power to run apps

4. Are Smartphones
computers?
 IPOS
 Input/Output Devices
 CPU (Processing), Memory
 Storage

5. What Operating Systems
are used?
 Android
 iOS
 Windows Phone
 Blackberry

6. What Software can be run?
 Office Apps
 Photo/Video Editing
 GPS, Maps, Calendars, Emails
 Web Browsers, Utilities, Games
 Music Players, Movies/TV, etc.

7. Messaging
 SMS – Basic “Text Message” stands for
Short Message Services.
 Limited in length and content (text)
 MMS – Unlimited size, adds photos
and video

8. How do cell phones
work?
 Use an analog-to-digital converter chip
to convert sound waves to digital data
 Digital data is compressed using a
digital signal processor
 Digital data is transmitted as radio waves

9. How do cellular
networks work?
 Telecommunications company
constructs series of overlapping cells
– or a geographic areas, centered on a
base transceiver station (cell tower)
 Cell tower passes the call to a central
location - mobile switching center

10. Wireless Providers
 Verizon, AT&T, T-Mobile, Sprint, Virgin
Aspects to take into Account
 Coverage, Reliability, Speed, Performance
Cost, Data Plans, Customer Service

11. Network Speeds
 2G –50 Kbps (not meant for browsing)
 G – (GPRS) 114 Kbps
 E EDGE 217 Kbps
 3G – 3rd Generation 384 Kbps
 4G LTE - Long Term Evolution 160 Mbps
 LTE Advanced – 300Mbps up to 1 Gbps
5G
Up to 1 Tbps

12. Concerns/Considerations…
 Data Usage
 Wifi Connection
 Tethering - Using your 3G/4G phone
as a wifi hotspot for your computer