Mobile Devices
how many gigabytes of RAM do smartphones have?
1-4 gigs
how many gigabytes do smartphones have for storage?
8-124 gigs
- linux based- Open source - most popular worldwide - focus on 3rd party apps
Android OS
base transceiver
The ____ transmits cellphone signals to the cellular system's mobile switching station
data plans
____ can often be an expensive part of cellular plans; depends on the amount of data that can be downloaded/uploaded per month as well as the download speeds/size of network
analog digital converter chip
allow smartphones to receive an analog sound wave, such as a person's voice, and convert it into a digital signal that can be processed and stored in a computer
no
can you add storage to a phone?
What is a base transciever?
connected to a cell tower, creates the cells in a cellular system by broadcasting low-powered microwave signals through the antenna
tethering
connecting one digital device to another digital device- aka a hotspot
what is a mobile switching center?
controls all the transmission between cell phone towers and their base transceivers
what are the two ways to connect to the internet?
data plans or wifi
What do smartphones do?
everything a 3g can do but with significant internet connectivity capabilities
- appstore - search - type in app - install
how to download an app
- for apple products only - most popular OS in US - focus on apple apps
iOS
syncing
moving stuff from one phone to another or laptop (like photos or files)
How do cell phones work?
provide world-wide connectivity; come with cameras and audio;
what does roaming mean
provides a means for you to use other cellular networks besides your own
digital signal processors
small computer within phone that analyzes the sounds entering your phone through the analog/digital converter; also blocks out unwanted noise, moderates volume, and buffers signal
What do 3G cellphones do?
texting, calling, limited Internet connectivity, and audio and photo
mobile switching station
the ____ connects your call with the mobile switching station of the person you're calling
4g and LTE
these are best for streaming or uploading photos or videos
prepaid phones
this is an inexpensive way to just text and call
3G
this uses less battery life and work fine for phone calls and texts
android operating system
what is the most widely used OS for smartphones?
