Answer:
Landscape or vertical page orientation
Explanation:
In landscape he can mange the number of cell that are required to print on A4 page size.
On landscape orientation of the page we can add more columns of the sheet. That is the reason, we should choose landscape or horizontal page orientation to adjust all columns on the single page.

By definition a computer is an electronic device used to store and compute data. So, by definition a calculator stores and interprets data/numbers, and that makes it a computer. However, a computer can also use programs, and manipulate stored data to complete those programs.
hope it helps!! :D
Answer:
The answer would be A: Random
Explanation:
The random() function returns a generated random number (a pseudorandom number)
Answer: Switch
Explanation: ARP spoofing is a illegal harmful activity in a disguised manner by a person who tries to send the ARP (Address resolution protocol)request.The disguised ARP request is sent to steal the confidential data by the overloading of the switch because of the numerous amount of the ARP request. This attack is done in the local area network .Therefore, the correct option is switch.