Sam is working on an application that suddenly affects the performance of the computer that he is working on. sam is confused about whether the computer is affected by a virus or a worm. he starts searching for the difference between a virus and a worm on the internet. which option aptly describes the difference between the two?

a.
a virus infects applications, while a worm logs the keys and passwords typed by a user.
b.
a virus makes multiple copies of itself and infects a system, while a worm does not replicate itself.
c.
a virus infects applications, while a worm affects emails.
d.
a virus infects the system and does not affect applications, while a worm infects both.
e.
a virus infects an existing application on a system, while a worm uses the computer network to replicate itself.