How do I safely use an ungrounded outlet?

I recently bought a home that was built pre 1970 and even though it has been outfitted with three prong outlets the third prong is ungrounded and therefore poses a shock hazard. My first thought was to replace all of the outlets with 2 prongs and us a 3 prong adapter on everything. However I dont know if it will... show more I recently bought a home that was built pre 1970 and even though it has been outfitted with three prong outlets the third prong is ungrounded and therefore poses a shock hazard. My first thought was to replace all of the outlets with 2 prongs and us a 3 prong adapter on everything. However I dont know if it will still pose a shock hazard. I was also considering using a power strip but I still don't know if that solves the issue. Also do the adapters that are found built into computers andnother electronics protect me from this hazard?
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