Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it. About 70 years ago, an engineer at IBM named Hans ...

Computers hold a wealth of data, but one mishap can result in the loss of years’ worth of photos, documents, and more. Be sure to have a backup plan in place in case disaster strikes your device by ...

Q: What should I do with my older computer that can’t run Windows 11? A: Now that the Oct. 14 deadline has passed, Windows 10 is officially retired, meaning Microsoft will no longer provide free ...