I believe the answer is <span>annual maintenance
</span><span>annual maintenance refers to the system maintenance that being done at a regular time period (most commonly done at least every 6 month)
This is really necessary in order to detect potential virus/malware that would compromise the information within your computer.</span>
Answer:
C. Dow Jones
Explanation:
It’s the Dow Jones certainly, and we also know it as Dow 30. You will find with a little research that Dow Jones is an index of the 30 carefully chosen blue-chip stocks, and general industrial stocks. And this is price prejudiced average, and of 30 stocks that can be well-thought-out as an all-purpose measure for the whole stock market performance.
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.
