Yep. 4 rows of 5 stars each.
Any program can be an executable, and it can be named anything the user chooses, and would still function exactly the same.
PC games are often run via an executable. If you rename that executable to something else, it will still function perfectly fine.
Therefore, one character long executable programs are just executable programs that have been renamed one character long, and will function as intended.
Www stands for world wide web
I’m pretty sure it would be “A novel assigned in English class” (algorithm is a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.) Example: the recipe for baking a cake.