d1

it could help if you understand the effectiveness of the features 
the battery life of a mobile phone, laptop, tablet and mp3 are almost the same they would normally last about 3-4 hours at least but they may run out a lot faster if you get a iPad,iPhone,mac,iPod.

p7

you can contact some people mobile phone by sending a message 

1.  click on to your contacts
2. then go down your list to find the contact that you want
3. then click on send a messge
4. after you wrote your message you can click on send
5. then you have send a messge

p5

if you get a iPhone 5 with a map called google map it can tell you were you exactly where you are on the world it is also very light and not to big to fit in your pocket. it benefits  because the driver can't slack off and so you can keep track on their progress.

p7

you can contact some moblie phone by sending a message

p5

first you get a smartphone with the map app and make sure you like because you dont know when the next time you will get to change it then you download a tracker app

p3

3G- is a term for a collection of technologies that make up the third generation of cellular data networks

mms-Multimedia Messaging Service, a system that enables cellular phones to send and receive pictures and sound clips as well as text messages.

sms-Short message service, a system that enables cellular phone users to send and receive text messages

Bluetooth- is an open wireless technology standard for exchanging data over short distances

infrared- Having a wavelength just greater than that of the red end of the visible light spectrum but less than.

wifi- wireless local area network: a local area network that uses high frequency radio signals to transmit and receive data over distances

gprs- General packet radio services, a technology for radio transmission of small packets of data, especially between cellular phones

p4 unit 14

if you need to send a picture by phone you can use 3g or facebook

step by step guide

1. take picture
2. send image
3. job done