In computing, which of the following is a program downloaded and installed on a computer that appears harmless but is in fact malicious?
ATrojan Horse ✓ Correct
BTime Bomb
CWorm
DLogic Bomb
Correct answer: (A) Trojan Horse
Explanation
A Trojan Horse is a program that looks harmless when downloaded and installed but is actually malicious.
It disguises itself as useful software to trick the user into running it.
A time bomb is malicious code that triggers on a specific date or time, not on looking harmless.
A worm spreads copies of itself across networks on its own, without needing this disguise.
A logic bomb activates when a particular condition is met, differing from a disguised program.
Unlike a virus, a Trojan Horse does not replicate itself but opens a door for other attacks.
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