d2 unit 14

i send my contact details by text-

positive 
-its quick
-it tells you when its sent
-its got a long range so you can send it anywhere in the world
-its free


negative
-you don't know if they received it
-it costs to send abroad

other ways to send a contact details:

-Facebook
-Bluetooth
-Whatsapp

m3 unit 14

health and safety-
-if you use your mobile phone to much it can hurt yours eyes you can turn the light off to lighter so its no so bright to hurt your eyes
-your wrist could start hurting if you text to much or use you can put a password on it


laws-

-your not aloud to drive and use your phone at the same time because that is  a new law because its dangerous
-you are  not aloud you steal phones but if you do they can be tracked down with a tracking software
-some work policies are to turn your phone off while in work or that they cant use it at all during work times so they wont get distracted

m1 unit 14

WIFI
protocols and devices keep date safe by putting passwords on for like WIFI so other people cant use your WIFI.


GPRS
protocols and devices keep date safe by putting a password on it so people who are not suppose to use it wont be able to 2G, 3G and WCDMA mobile networks to transmit IP packets to external networks such as the Internet

BLUETOOTH

protocols and devices keep date safe by putting a password on it so when your sending someone something over bluetooth it can keep safe and make sure no one else could see it or get it 

MMS

protocols and devices keep date safe by putting a lock/pattern on it so others wont be able to see it 

SMS

protocols and devices keep date safe by putting a password on it so people cant read your personal text 

INFRARED

protocols and devices keep date safe by putting a code on it so people cant hack in it 

3G

protocols and devices keep date safe by putting a code on it so people cant hack in it