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?