Which among the following is the time period during which a computer is malfunctioning or not operating correctly due to machine failures?

Q. Which among the following is the time period during which a computer is malfunctioning or not operating correctly due to machine failures?
Answer: Down time
Notes: Downtime is the time period when a system is unavailable. Downtime or outage duration refers to a period of time that a system fails to perform its primary function.