1. bluetooth
1
a wireless technology standard for exchanging data over short distances 1
2. pan
2
a particular brand of mobile phone/pda 3
3. blackberry
3
a network that operates over a limited distance, usually for one or a few users 2

Complete Question:

1. A wireless technology standard for exchanging data over short distances

2. A particular brand of mobile phone/PDA

3. A network that operates over a limited distance, usually for one or a few users

1. Bluetooth

2. PAN

3. Blackberry

1. Bluetooth 2. Blackberry . 3. PAN

Explanation:

1. Bluetooth is a wireless technology standard, used in order to exchange data between mobile devices, like smartphones, tablets, headsets, wearables, over short distances in a one-to-one fashion (which means that it is not possible to build a network based in Bluetooth).

2. Blackberry is a brand of mobile phones/PDAs, very popular a decade ago, because it was the first one to allow mobile users to access e-mails and messages from anywhere, at any time.

3. PAN (Personal Area Network) is an ad-hoc network that it is only available for data exchange at a very short distance, within the reach of a person, i.e. a few meters as a maximum.

It is thought to allow someone to interact with his nearest environment (laptop, tablet, PDA) and it can be wireless (like Bluetooth) or wired (via USB cables).

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