Answer:
The Domain Name System (DNS) is a central part of the internet, providing a way to match names (a website you're seeking) to numbers (the address for the website). Anything connected to the internet - laptops, tablets, mobile phones, websites - has an Internet Protocol (IP) address made up of numbers.
Explanation:
Answer: No. For example, define the languages A = { 0
n1
n
| n ≥ 0 } and B = {1},
both over the alphabet Σ = {0, 1}. Define the function f : Σ∗ → Σ∗ as
