A Resident virus installs itself somewhere in the random access memory (RAM) in the computer.It can interfere with normal system operation which can lead to the corruption of files and programs.Stealth virus ,overwrite virus are also a type of resident virus

A Non-Resident virus is a computer virus that does not install itself in the computer memory.It does not store or execute itself from the computer memory. Executable viruses are an example of a non resident virus.

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