they should be able to i dont see why not!
2g network does not have bandwidth connection higher for video transmission..
computers
no, you dont. you can jailbreak your iphone and run it on tmobile's network, if you have a tmobile sim card. but on tmobile, you cant have 3g speeds, only 2g.
No! Skype doesn't work with 2G network. It's needs a strong Bandwidth to work for Voice and Video calling. Broadband / 3G network is is always recommended for Skype.
computers
The only difference is the network that it runs. The 2G iPhone is slower when you are browsing the internet, while the 3G has a faster network. Also, the iPhone 3G has more of a 'slimmer' feel to it, though technically slightly thicker. Other than that, there is no major differences, and they both run the same software.
iPads run on iOS
if you mean Wi-Fi, yes, iPads come with wi-fi. If you have a wi-fi network at home, you can connect your ipad to the internet.
---2G Network--- The second generation (2G) network uses digital signal to transmit voice. Compared with analog signal, digital signal is more accurate, reliable, and scalable. As a digital network, the 2G network can carry text messages along with voice. Those text messages, known as SMS (Short Messaging Service), are hugely popular. In addition, a 2G mobile phone often integrates a data modem. It can connect to the internet by making modem calls to certain dial-up service numbers provided by the carrier. Through the internet, a 2G mobile phone can browse the internet via the WAP browser software built into the device.
Tata Docomo uses 1800 MHz on 2G network and 1900 MHz on 3G network.
The same as you can do with any other microprocessor based computer. Run programs.
No . Samsung Wave 525 is not a 3G mobile but is a 2G mobile. It has 2G Network :GSM 850,900,1800 and 1900