It is the internet callback technology that allows someone browsing the internet to click on words or phrases, enter his or her phone number, and continue browsing. It is a technology that enable one to browse the Internet to cue on a certain website to have a representative call a certain number.<span />
Answer:
Switch-case statements are a powerful tool for control in programming. In this article, Sreeram Sceenivasan goes over you can use a switch-case statement in Python.
Explanation:
Python doesn’t need a switch statement. You can do exactly the same thing with if/elif/else statements.
in 1990, when computer scientist Tim Berners-Lee invented the World Wide Web.
Answer:
For undirected graph n(n-1) for directed graph 
Explanation:
The maximum number of edges for a undirected graph is given by 
, where n is number of vertices
The maximum number of edges in directed graph is given by , where n is number of vertices
The maximum number of edges is greater in undirected graph than directed graph
