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Which explain the differences between the Inspiron 15 and the Inspiron 15R laptop?

I asked this question before but now I am clarifying. I noticed there are a few differences between these two laptops, and they are VERY similiar. I want to buy one of them, but I am not sure WHICH one to get because of the slight differences. Which one would be the *better* choice in [...]

explain the IEEE 802.11 wireless networking system and the similarities and differences among the 802.11a?

802.11b ,802.11g, 802.11n ,systems

What are the differences in throughput (roughly) from a.wireless, b.usb cable, c.Ethernet cable with 802.11g?

Cable modem, 802.11 g.

What are the differences in WiFi security?

As I see it there are two separate security issues when it comes to wireless networking (wifi not wimax). First is the ability to stop a freeloader from your WAN and start piggybacking off of your nickel. I believe this is what WEP and WPA are for, correct? In other words blocking an unauthorized [...]

What is the differences between 802.11g, 802.11bg, 802.11ang, or bgn, or something similar?

i am getting a laptop, but i am confused here. 802.11bg, agn, bgn, abgn. what is the difference? if you know, then let me know. thanks
802.11agn, not 802.11ang

Can you explain the differences between Intel Next-Gen Wireless-N Dell Wireless 1395 802.11g?

I am looking to buy a new Dell M1330 and there is the option to get the Dell Wireless 1395 802.11g Mini Card and it comes standard. But for $35 more you can get the Intel one. Is it really worth the extra money or will I see no difference?

What are differences between wireless types of 802.11a, 802.11b, 802.11g, 802.11n?

My Asus supports all of these wireless frequencies, but I use only “n”. What about others?