For women giving birth for the first time, the mucus plug is usually expelled days before labour begins and may often be a sign of early labour. Generally, it is never reason to worry regardless of whether the mucus plug is released early or late.
Hard drive. A hard disk drive (sometimes abbreviated as Hard drive, HD, or HDD) is a device used to permanently store and also retrieve information. There are many variations, but their sizes are generally 3.5 and 2.5 for desktop and laptop computers respectively.
Hard Disk Drives: Glossary of Computer Terminology. Retrieval of data from or transfer of data into a storage device or area such as RAM or a register. The amount of time, including seek time, latency and controller time, needed for a storage device to retrieve information. The partition of the drive that contains the operating system. If the drive has multiple partitions, only the primary partition can be made active. A hard drive can have only one active partition.