D2 UNIT 14

D2


Bluetooth transmission to sending contact by connecting with another person via Bluetooth then you have to select the option to send you a contact to a person.

Disadvantages of using Bluetooth ;

Problem for Bluetooth is when there are a number of mobile devices in the same room and possibly attempting the same operation also It may happen by accident so that you connect to the person you did not want to.

Advantages of using Bluetooth ;

The technology of Bluetooth is cheap for companies to implement which results in lower costs for the company. These savings are then passed down from the company on to you. Bluetooth is free because in those days almost everyone has already mobile phones have Bluetooth built where everyone can share files with one another.

I also choose SMS to send contact to another person because its easy way to do it but we also can use Bluetooth to sending this contact by connect to web. Bluetooth is the easy way to send this contact because you just need to connect with person you want to send this contact. Bluetooth is also for free so you can send everything what you want, so if you do not top up your phone or are not on a contract phone then you

Sending sms is good because its easy way to contact with people. Its easy to use , everyone can use it . Quick communiaction to everyone around the world.

Negative aspects:
-If I want to sent SMS message I need credit on my phone.
-Unreliable
-Immeasurable 
-Subject to high levels of message loss and delay 
-Insecure transmission routes
Positive aspects:
-Contact gets there quickly to my friend 
-My phone is with me all the time so; I can send message fast and when I want.
-My friend knows who sent this message.