Answer:
Option A is correct
Digital Subscriber line is a way where telephone companies provide internet access for connection.
It is a communication medium used to transfer digital signals. DSL is one of the most popular broadband internet access.
Explanation:
DSL stands for Digital Subscriber Line. DSL works with high-speed bandwidth that connects from a phone jack to a telephone network. DSL works within frequencies. You can use the DSL while making phone calls.
Answer:
this isn't a fair question...
you'll either get 2,3 or 4
not a nice question
It is identified by its address number.
Digital network, as it refers to the series of connected and linked computing devices into a network as described in this question.
This question is a bit ambiguous as there were a few features that were added and any could be perceived as distinguishing depending on what you look for in your OS. I do believe this is in reference to the Wikipedia article on Windows 2.0 though as the first two listed features make note of Windows 1.0 specifically, therefore:
Windows 2.0 allowed windows to overlap, Windows 1.0 could not do this.
Windows 2.0 introduced new and more complex keyboard shortcuts and terminology such as "Minimize" and "Maximize" vs. Window 1.0's "Iconize" and "Zoom"
Source: https://en.m.wikipedia.org/wiki/Windows_2.0