Answer:
First we understand what is hash function.A hash function is mostly used in Hashmaps. It maps different keys to a set of values.There may occur a case when we have same key but different values.This case is called collision.So we have to use different collision handling techniques that are open addressing and separate chaining.
A perfect hash function maps key-value pair such that there are no collisions.
Answer:
A Cell Phone is, therefore, a mobile phone that works utilizing radio cells, which is an area of radio coverage. Cell phones can typically be used while moving from one cell to another without losing coverage or dropping the connection. Satellite phones are not cell phones, although they are mobile phones.
Explanation:
The letter LAN stand for : Local Area Network
Pie graph but idk if thats the answer
