It is much faster than the floppy disk.

The operating system, software titles, and most other files are stored in the hard disk drive.

A hard disk drive consists of circular metal disc-shaped platters which store the computer's data. HDDs are the most common and inexpensive form of hard drive. Hard disks hold more data and are faster than floppy disks. The main function of hard disk is to store data for long term and data can be computer’s operating systems, applications, documents, personal files and so on. The hard drive also transmits data back and forth between the CPU and the disk. What is Hard disk drive? An external hard drive is a portable storage device that can be attached to a computer through a USB or FireWire connection, or wirelessly. Hard disk performance The hard of a computer stores all software installed on that computer and also stores all data files used by that software. External hard drives typically have high storage capacities and are often used to back up computers or serve as a network drive. Optical Disk Drive Defined. A hard disk drive is a permanent storage device rather than Random Access Memory. It is the primary media for storing data and programs. When you save data on your hard disk, the hard drive has to write thousands, if not millions, of ones and zeros to the hard disk. The term hard is used to distinguish it from a soft, or floppy, disk. Data can include the computer's operating system and applications as well as personal files including photographs, documents and music. It is more reliable than a floppy disk. A hard disk drive (often shortened as hard disk, hard drive, or HDD) is a non-volatile storage device that stores digitally encoded data on rapidly rotating rigid (i.e. Strictly speaking, “drive” refers to the motorized mechanical aspect that is distinct from its medium, such as a tape drive and its tape, or a floppy disk drive and its floppy disk. hard) platters with magnetic surfaces. The hard disk is housed inside the hard drive, which reads and writes data to the disk. The hard disk drive is the main, and usually largest, data storage hardware device in a computer. An actuator arm runs between the platters, reading data off the hard drive. This is called external SATA, or eSATA.The way it works is that the external drive attaches to the eSATA connection at the back of the computer next to the other openings for things like the monitor, network cable, and USB ports. The capacity of a personal computer hard disk is from 160 GB to 2TB and more. 2. A hard disk, for example, can store anywhere from 10 to more than 100 gigabytes, whereas most floppies have a maximum storage capacity of 1.4 megabytes. External hard drives can also be used with SATA connections, given, of course, that the hard drive itself has a SATA connection, too. A hard disk is part of a unit -- often called a disk drive, hard drive or hard disk drive-- that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces.Today's computers typically come with a hard disk that can contain anywhere from billions to trillions of bytes of storage. Standard Hard Disk Drive. A single hard disk usually consists of several platters. These include CDs, DVDs, and Blu-ray discs. Hard drive definition is - a data-storage device consisting of a drive and one or more hard disks. Data stored on the hard disk is safer than the floppy disk. (2) A magnetic disk drive that plugs into a USB port on a computer. The hard disk provides a large storage capacity. Function & Defination What is Hard disk drive? A hard disk drive, also known as a hard drive or HDD, is used to store data long term. These platters constantly spin while the computer is on, almost like a vinyl record player. An optical disk drive (ODD) uses a laser light to read data from or write data to an optical disc. Linux command, see the head command page for further information about this command.. 3. This stores all data that user created and downloaded from Internet.