In the digital world, alphanumeric characters play an important role. The term "alphanumeric" encompasses both letters and numbers, creating a versatile set that forms the foundation of written ...

Some Web sites only allow alphanumeric characters (letters and numbers) in their passwords. This invites bad passwords, lowering security for everyone. Jonathan Eunice, co-founder and principal IT ...

On paper, chording — that’s pressing multiple keys to create either a single character or a whole word — looks like one of the best possible input methods. Maybe not the best for speed, at least for a ...