Full Answer
What are the physical components of hard drive?
Hard drive physical components 1 THE SUBSTRATE MATERIAL: The bulk material of which platters are made up, forms the base on which media layer is deposited. ... 2 MEDIA LAYER: The substrate material forms the base upon which actual recording media is deposited. ... 3 PROTECTIVE LAYER. ... More items...
How is data stored on the hard disk?
All the information stored on the hard disk is recorded in tracks. Starting from zero at the outer side of the platter, the number of tracks goes on increasing to the inner side. Each track can hold a large amount of data counting to thousands of bytes.
What is the base material of a hard drive platter?
The bulk material of which platters are made up, forms the base on which media layer is deposited. The substrate has no specific function but to support the media layer. The most commonly used material for making this physical layer is an Aluminium alloy.
What is a hard disk?
A hard disk is a sealed unit containing a number of platters in a stack. Hard disks may be mounted in a horizontal or a vertical position.
What is the term for the table of contents of a disk drive?
Megabyte. Bronobyte. What is the table of contents for a disk drive? A. Disk TOC.
What shows the contents of a hard drive?
Windows ExplorerClick "Start" and select "Computer" to open Windows Explorer.Double-click the hard drive's letter from the right pane's Hard Disk Drives section to view the drive's contents. ... Right-click the drive letter and select "Eject" when you are finished browsing the drive.
What are the 5 parts of a hard drive?
A hard drive consists of several major components inside its casing. These include the platter for storing data, a spindle for spinning platters, a read/write arm for reading and writing data, an actuator to control the action and movement of the read/write arm and a logic board.
How is data stored on a hard drive?
Data is stored on a hard drive in binary code, using 1s and 0s. The information is spread out on the magnetic layer of the disk(s) and are read or written by the read heads that 'float' above the surface thanks to the layer of air produced by the ultra fast rotation of the disk.
Where are the contents of your computer's hard drive indexed?
Index of Hard drive is stored in C:ProgramDataMicrosoft. This is done to speed up the search and index the location of all the files on the drive.
What is the platter of a hard drive?
A platter is one or more aluminum, glass, or ceramic disk coated in a magnetic media is located within a hard drive to store all your computer's data permanently. When the computer is turned on, these platters begin to rotate at so many RPM (rotations per minute).
What are disk drive components?
Basic Hard Disk Drive ComponentsDisk platters.Read/write heads.Head actuator mechanism.Spindle motor (inside platter hub)Logic board (controller or Printed Circuit Board)Cables and connectors.Configuration items (such as jumpers or switches)
What are the main features of hard disk?
Some important characteristics of the hard disk are as follows:The hard disk provides a large storage capacity. ... It is much faster than the floppy disk.It is the primary media for storing data and programs.It is more reliable than a floppy disk.Data stored on the hard disk is safer than the floppy disk.
What is a hard drive?
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. hard) platters with magnetic surfaces. Strictly speaking, “drive” refers to the motorized mechanical aspect that is distinct from its medium, such as a tape drive and its tape, ...
What is a platter in a hard drive?
Hard drive physical components. Platter is a circular, metal disk that is mounted inside a hard disk drive. Several platters are mounted on a fixed spindle motor to create more data storage surfaces in a smaller area.
What is the protective layer on a magnetic drive?
PROTECTIVE LAYER: On the top of the magnetic media, is applied a super-thin, protective, lubricating layer. This layer is called the protective layer because it protects the disk from damage caused by accidental contact from the heads, “head crash” or other foreign material from entering the drive. PLATTER DIVISIONS:
What is a read/write head?
READ/WRITE HEADS: The heads are an interface between the magnetic media where the data is stored and electronic components in the hard disk. The heads convert the information, which is in the form of bits to magnetic pulses when it is to be stored on the platter and reverses the process while reading. Hard disk heards.
What is a hard disk heard?
Hard disk heards. The heads are the most sophisticated part of the hard disk. Each platter has two read/write heads, one mounted on the top and the other one at the bottom. These heads are mounted on head sliders, which are suspended at the ends of head arms.
How many bytes can a track hold?
Each track can hold a large amount of data counting to thousands of bytes. Each track is further broken down into smaller units called sectors. As sector is the basic unit of data storage on a hard disk. A single track typically can have thousands of sectors and each sector can hold more than 512 bytes of data.
What is a drive?
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.
