Hard Disk Drive
Hard disc drive (or hard magnetic disc drive (HMDD), hard drive, in computer slang “winchester”) is one of the most important computer components that is designed to store, save and transfer digital data on the computer/laptop permanently. It is memory storage device of random access that functions on the principle of magnetic recording.
HDD plays a crucial role in a computer functioning because it contains all system files, as well as personal documents. Be attentive if, for example, a new OS is not compatible with computer’s hardware. Download drivers for hard disc drive to keep the whole system working correctly.
Hard drive consists of two main parts:
Controller is the element that sends data to and from hard disc drive. It renders computer’s commands, which go from hard disc adapter to hard disc interface and then finally to the controller, in such a way that is understandable for hard drive and vice versa. Only after that, the command can be executed in the long run.
- Mechanic unit (head actuator, read/write actuator arm, read/write head, spindle and platter);
Winchesters can be internal and external. The last type has become rather popular recently because of its numerous advantages. It provides a user with additional gigabytes of memory; moreover, it is rather compact and lightweight that makes it convenient to carry from one place to another (all necessary information can always be at hand); also, it is a reliable way to secure important files (if your computer system collapses, these data will be unimpaired). Besides, external hard drives support Plug-and Play function. It means that a user can reach data stored on it from any other compatible device.
To connect external HDD to a computer/laptop for data transferring, it is necessary to use a cable. However, before doing this, a user is to download hard disc drive drivers to a computer.
However, nowadays Solid State Drives (SSD) have started to gain more popularity than HDD. They surpass hard drives in:
» Hard Disk Drive: Full list of devices
- power consumption (they consume less),
- noise (they are totally noiseless),
- size (they are lighter in weight and smaller),
- access time (it is shorter),
- magnetism influence,
- range of working temperatures, etc.
List of Manufacturers
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