(computer science) a copy of a file or directory on a separate storage device
occurs when older systems are discarded and the data Is not deleted.
A secureprocess for keeping confidential information private.
The amount of water in the air
Short, fast transfers of electrical voltage, current, or energy.
Can protect against power spikes.
Uninterruptible power supply (UPS)
An external device that provides electrical power when normal power is interrupted
Instructs the operating system on how to operate specific hardware.
Command to test connectivity and isolate hardware problems and any mismatched configurations.