ANSWERS: 2
-
A memory-resident DOS program, i.e one which remains in memory while other programs are running. A good TSR should at least detect all known in-the-wild viruses and a good percentage of other known viruses. Generally, TSRs are not so good with polymorphic viruses, and should not be relied on exclusively.
-
TSR stands for Terminate but Stay Resident
Copyright 2023, Wired Ivy, LLC