Hardware-based mechanisms such as BIOS passwords and encryption are two technologies commonly used to prevent unauthorized access, especially on laptops, which are most likely to be lost or stolen.

• 诸如BIOS密码和加密的基于硬件的机制,是通常用来防止未经授权进行访问的两种技术,尤其是便携式计算机,最有可能丢失或被盗。