What is a common safety feature found in most dive computers?

A common safety feature found in most dive computers is decompression alerts. These alerts are crucial for maintaining safe diving practices, particularly when divers are operating at depths that require attention to decompression stops. Decompression alerts inform divers when they need to ascend at a specific rate or pause at certain depths to allow nitrogen that has been absorbed into their tissues to safely off-gas.

This feature significantly reduces the risk of decompression sickness, which can occur if a diver ascends too quickly after spending time at depth. By providing real-time data and warning divers of the necessary ascent profile, decompression alerts enhance safety and increase the likelihood of a successful, injury-free dive.

While color displays, temperature readings, and digital compasses can enhance a diver's experience and situational awareness, they do not directly contribute to the critical aspect of avoiding decompression sickness like decompression alerts do.