Answer: This means that even though we believe the information is coming from a trusted source, it could still contract a virus due to someone else hacking it or the original sending not being aware of the virus.
Explanation: Just because information comes from a trusted/friendly source does not mean the information is clear of potential threats. Viruses are able to hide in information and the sending may not be aware that the virus is hiding in the information.
C. Provides an interface between user and OS.
The GUI, or Graphical User Interface, is just about everything you generally see with a common computer or smartphone. You rarely run an application or program from the command itself, as clicking an icon in the GUI runs the software for you.
Answer:
51015
Explanation:
Var b is a string, and it'll treat addition like <em>string concatenation </em>(aka just adding a message.) Since it's concatenation, it'll then turn the numbers/integers into strings.
This kind of behavior might be different depending on the language, though. Some languages might not allow this. (For example, C and C++)
Answer:
I don't really know but I think it's guest
