What is Hard Disk Drive?
Hard disk drive (HDD) is a kind of digital data storage device that widely used in personal computer. Introduced by IBM in 1956, hard disk drives have significantly increased in capacity while decreasing in cost and physical size over the years. And it has been the indispensable device for data storage in modern computers.
HDD has changed in many ways since their invention, and several highlights include: capacity per HDD has increased from 3.75 MB to greater than 1 TB; the size of HDD has decreased from 87.9 cubic feet to 0.002 cubic feet; the price has decreased from about $15,000 per MB to less than $0.0001 per MB; the average access time has decreased from greater than 0.1 second to several milliseconds; The market has expanded from personal computer to most computing applications including consumer applications.
Digital Photo Recovery is able to recover photos from hard drive and other portable digital devices such as digital camera, camcorder etc. Format Recovery Mac is able to retrieve files from formatted hard disk drive on Mac OS X.