Window is a vary popular operating system because of its runtime and compatible environment .
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Answer: Zombies
Explanation: Zombie is a computer device that is responsible for the compromising the system and making it prone to several destruction such as the Trojan horse virus,hackers and other viruses as well. Zombie makes the computer system to get malfunctioned easily ,that is without much security and various malicious functions can be performed.They basically act as the infected computer .
Motorcycles have two or three wheels, a seat for the rider and at lease a 70 horse-powered engine.