Storage Devices on the Hard Drive

816 Words2 Pages
bulb-icon

Recommended: Modern storage devices

Hard Drives and External Hard Drives

The purpose of a storage device is so the computer has a place to record and/or retrieve items to and from storage media (Shelly and Vermaat). There are many different ways to store and retrieve information two of them being a hard drive and an external drive. Both serve the similar purpose however, they are used for different reason or what some like to call, “their backup”.
A hard drive or otherwise known as a hard disk is a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information. The system unit on most personal computers contains a least one hard disk, sometimes called an internal hard disk because it is not portable (Shelly and Vermaat). In other words a hard drive is the location in a computer where all the computer programs and files are stored. The hard drives are classified as random access, digital, magnetic, and data storage devices.
According to Wikipedia how a magnetic disk works is by using a spindle motor in the drive rotates the magnetic medium at a certain speed, while a stepper motor-operated mechanism moves the magnetic read/write head(s) along the surface of the disk (Hard disk drive). To write data, current is sent through a coil in the head as the media rotates (Hard disk drive). The head's magnetic field aligns the magnetic particles directly below the head on the media (Hard disk drive). When the current is reversed the particles align in the opposite direction encoding the data digitally (Hard disk drive). To read data, the magnetic particles in the media induce a tiny voltage in the head coil as they pass under it. This small signal is amplified and sent to the floppy disk c...

... middle of paper ...

...013. .
n.d. External Hard Drive Buying Guide. 21 November 2013. .
Best Buy. n.d. 21 November 2013. .
Hard disk drive. 21 November 2013. .
Rieck, Dean. The world’s simplest computer crash recovery plan. 21 January 2010. 21 November 2013. .
Shelly, Gary B. and Misty E. Vermaat. Microsoft Office 2010: Inroductory. Boston: Cengage: Course Technologies, 2011. Print.

Show More
Related

  • Scope and Sequence Plan for a 200 hour Information and Software Technology Course

    1903 Words  | 4 Pages

    Information and Software Technology Years 7–10: Advice on Programming and Assessment. (2003). Retrieved April 10, 2014, from http://www.boardofstudies.nsw.edu.au/syllabus_sc/pdf_doc/info_soft_tech_710_support.pdf

    Read More

  • Social Security and Corporate Welfare

    4037 Words  | 9 Pages

    4. Michael Bloch, Yves Pigneur. The extended enterprise, a descriptive framework, some enabling technologies and case studies in the Lotus Notes environment. Ecole des HEC INFORGE, University of Lausanne, Switzerland. 1995. Jun. Report No.: TR-YP-91.

    Read More

  • Microsoft Xbox

    1645 Words  | 4 Pages

    Another feature that is a first in the console industry is Xbox’s internal 8-Gigabyte (Gb) Hard-Drive or Hard Disk Drive (Hdd). This contributes too much of Xbox’s weight, but gives many features. With this you don’t have a need for a memory card to save your game files, you save them right to the hard-drive. This is a very nice feature on the Xbox, because it saves you money.

    Read More

  • Computers In The 1950s

    1418 Words  | 3 Pages

    The lack of the internal drive, even 1 k drives proved to be very hard on the computers of the 1950’s (“Hackers” Internet) “with out the hard drives, programmers had

    Read More

  • Record Retention Policy

    562 Words  | 2 Pages

    Hard drives are to be stored on a USB drive and then stored in a safe if it contains pertinent information

    Read More

  • Is3340 Unit 2 Data Storage Essay

    1944 Words  | 4 Pages

    DISASTER RECOVERY EXAM 2 SPRING 2015 Question 1 a) Backup options There are several options available to an organization or an individual where data may be stored as a backup, the method storage is chosen depending on data size, associated cost and the recovery method. One can choose either online backup mainly cloud based systems, hard disk, DVD/CDs and magnetic tape. Each of these media of storage has its advantages and disadvantages as explained below: Online backup: this is a type of storage that that is classified as offsite storage and has been made possible by the interconnectivity of computers via the internet, in this type of storage data is usually uploaded in a cloud based server and can be accessed anywhere as long as one has an

    Read More

  • Flash Drives and Optical Storage

    789 Words  | 2 Pages

    What is a flash Drive? Well a USB Flash drive is a memory storage device that is plugged into a computer or other mobile devices. Flash Drive also called Thumb drives are very convenient for users, they are small and light weight and have a memory storage ranging from 512MB to 64Mb. (Gary B. Shelly).Most flash drives are removable and rewriteable. USB Flash drives are typically used for backups or transfers of computer files. Flash drives consist of small printed circuit boards carrying circuit elements, and USB connecters that are installed electorally, and are protected by plastic, metal, and sometimes a rubberized case. The USB connecter is usually protected by a removable cap that connects to the drive. Power is drawn from computer when the USB flash drive is connected. When connected users can then access whatever has been backed up or transferred to the Flash drive.

    Read More

  • Dubai International Airport Terminal 3

    1822 Words  | 4 Pages

    ...r example of utilising the latest software which provides incessant development in operational presentation in order to ensure smooth operations always.

    Read More

  • The History of the Disk Operating System (DOS)

    1013 Words  | 3 Pages

    Watson, J. (2008). A history of computer operating systems (pp. 14-17). Ann Arbor, MI: Nimble Books.

    Read More

  • Advantages Of Solid State Drive

    1671 Words  | 4 Pages

    The solid state drive is a very unique piece of technology that was created in the late 1980’s and early 1990’s. It is a storage device that incorporates solid-state memory and emulates a hard disk drive to store data. Solid state drives use interfaces such as USB and PCI express. It is very light, quiet and uses very little power to function, thus making it a very important piece in a modern day computer. As time goes by, there are more and more solid state drives that are found in laptops and even mobile devices as they are relativity smaller than hard disk drives and are much faster. Also if you accidently drop your laptop or mobile device from a decent height (five feet) while it’s processing, then you will greater chances of retrieving your data than a hard disk drive. But there are indeed some downsides to the solid state drive, not many but one that makes it hard to come by, the cost. The cost of these small, fast, crazy pieces cost roughly 3$/gigabyte to 0.15$/gigabyte depending on the model, brand, speed and size of course. Compared to other storage devices, these are the highest possible prices that you can ask for, with reason of course, these things are far too fast

    Read More

  • The hard drive uses two important principles about the magnetic fields.

    842 Words  | 2 Pages

    How hard disk drive works? Firstly we should know the two important parts of the hard disk drive. 1. platters and media. We put all of the data onto the platter. They are inside of the hard drive.

    Read More

  • Threats to Information Security

    868 Words  | 2 Pages

    Another factor is the increasing technology in the field of storage devices. Devices are increasingly becoming smaller, cheaper, and portable; they have an increased storage capacity (Rainer & Turban, 2009, p. 1). This has put organizations at a ris...

    Read More

  • Output Devices on Computers

    779 Words  | 2 Pages

    Shelly, Gary B. and Misty E. Vermaat. Microsoft Office 2010 Indroductory. Boston: Course Technology, Cengage Learning, 2011.

    Read More

  • Storage Devices Essay

    1023 Words  | 3 Pages

    A storage device is the system where your computer stores and retrieves your data. Storage devices can be a hard disk drive, DVD, CD drives, Blu-Ray drives or flash drives. A computer can retrieve the data by being “commanded” to retrieve it from the storage area and retrieve it to your RAM. The RAM of the computer is your temporary memory where your data is inputted, and then processed and stored onto a storage device for permanent placement.

    Read More

  • Magnetic Disks

    1175 Words  | 3 Pages

    The “head”, or device used to transmit data onto the magnetic disks, is an important part of the hard disk and composes most of the physics happenings. Current is passed through the head or in the physic’s case, the conductor, to produce a magnetic field around the conductor. This magnetic field then can influence the disk’s magnetic material. The head is driven by an electric motor, using electromagnetism, to exert pushing and pulling forces on magnets to the rotating shaft. In some cases the head moves to a required area on the disk, and the motion of the magnetized surface induces tiny voltage. This voltage is concentrated in the coil of the read head, and can be interpreted as the data stored on the magnetic disk. When the direction of the flow of electric current is reversed, the magnetic field’s polarity is reversed.

    Read More

More about Storage Devices on the Hard Drive

Open Document