How can netiquette you communicate when texting or instant messaging?

a. netiquette will you type faster. ***

b. netiquette is a list of all acceptable acronyms when texting.

c. using netiquette can you avoid misspellings.

d. using netiquette can prevent misunderstandings.

which of the following is a benefit of texting?
a. it is addictive.
b. it prevents crime.
c. it allows citizens to submit anonymous tips to the police.***
d. you can text mean comments anonymously.

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?

What does a bonus object do? a. subtracts lives b. keeps track of a player's health c. gives a player an advantage d. makes text appear