Magnetic Storage Devices Magnetic storage media and devices store data in the form of tiny magnetized dots. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Storage devices of Computer System with examples(Magnetic , Optical Storage device and Hard Disk Drive). Current research indicates that DVD+R is more compatible with devices than the other formats. View by Category Toggle navigation. Optical storage provides greater memory capacity than magnetic storage because laser beams can be controlled and focused much more precisely than can tiny magnetic heads, thereby enabling the condensation of data into a much smaller space. Magnetic disk: A magnetic disk is a storage device that uses a magnetization process to read, write, rewrite and access data. These disks differ in many characteristics; firstly magnetic disk works by using magnetising material over the disk whereas in optical disk polycarbonate plastic is used in its construction and laser is used to store and retrieve the data. Magnetic tape Aashish Shrestha. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. This … b) It is affected by magnetic field. Back Benchers - And I Really Feel Proud of It. Stores data on a plastic tape coated with a magnetic layer. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. • Tapes for computers are similar to tapes used to store music. storage devices include magnetic hard drives, optical drives (CD or DVD), flash/pen drives, etc. Optical Storage 1. Download Share Share. Storage Devices PowerPoint Presentation on: By: Rabail Asghar 2. Section 7: The Ways in which ICT is used. Student at Islamia University, Bahawalpur. Primary magnetic storage o Diskettes o Hard disks (both fixed and removable) o High capacity floppy disks o … Optical storage makes use of a laser to shine and reflect light to read the data stored. The Magnetic disk is made of a set of circular platters. This quiz and worksheet combination can help you quickly test your knowledge of optical, magnetic, and semiconductor storage devices. Then contrast with the simplicity of saving to disk. Magnetic and optical storage Some devices use magnetic or optical storage. These dots are created, read and erased using magnetic fields created by very tiny electromagnets. • Tape is much less expensive than other storage mediums but commonly a much slower solution that is commonly used for backup. Hard disk. Section 4: Computer Networks . Storage Devices and Media : The course syllabus states that you should be able to: (a) Describe the following common backing storage media and their associated devices: Fixed hard discs, Portable hard discs, Magnetic tapes, Optical backing storage media such as CDs and DVDs, CD ROM/DVD ROM, CD R/DVD R, CD RW/DVD RW, DVD RAM, Blu-ray, Solid state backing storage, Memory sticks/Pen drives, … Magnetic storage uses different patterns of magnetisation in a magnetizable material to store data and is a form of non-volatile memory.The information is accessed using one or more read/write heads.. Both are categorized under the category of secondary storage devices. See our Privacy Policy and User Agreement for details. Two main categories of storage technology used today are magnetic storage and optical storage. Section 4: Computer Networks . Discussion point Discuss the sector size limitation. Light is used to aid the device in reading the data that stored. Actions. In an 8-track, you often must play the entire tape before the song can be repeated. In magnetic storage devices, data is stored on a magnetized medium. Teaching tip Students often have a hard time grasping the speed of a hard drive. Magnetic field Sameer Kansal. There are primarily 3 types of Magnetic Storage Devices as follows, Disk Drives: Magnetic storage… c) It has high storage capacity. Teaching tip Draw clustering on the board. Discuss what can happen when writing a 1-byte file or a 513-byte file. Serial Devices Magnetic tapes (very fast sequential access) CENG 351 2 Draw a diagram on the board that illustrates the process . ), store digital data's zeroes and ones as magnetic fields. The properties and applications of important perovskite phase mixed-metal oxides are shown in Table 1.6. Magnetic storage or magnetic recording is the storage of data on a magnetized medium. Section 6: The Effects of Using ICT. Use an analogy: The circumference of a hard drive platter is nearly 1 foot. Presentations. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. a) Stores data in magnetic form. The lands are transparent sections while the pits are non-reflective. An entire set of encyclopedias, for example, can be stored on a standard 12-centimetre (4.72-inch) optical disk. To store data, the disk's metal surface is covered with tiny dents (pits) and flat spots (lands), which cause light to be reflected differently. You can change your ad preferences anytime. A drive spinning 5,400 RPM can travel 5,400 feet in one minute, or a little over 1 mile in a minute! If you continue browsing the site, you agree to the use of cookies on this website. Looks like you’ve clipped this slide to already. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. e) It doesn't use laser to read/write data. Definition of Magnetic Storage. No public clipboards found for this slide. • High Storage capacity compared to optical disks. OPTICAL STORAGE By Yohniki Gordon 2. Magnetic tape is the oldest storage device. NOTE: ... Next - Optical Storage Devices. Now customize the name of a clipboard to store your clips. If you continue browsing the site, you agree to the use of cookies on this website. It is made of plastic coated with magnetic material. It is slower device than magnetic disk or optical disk. This type of optical storage device is somewhat unaffected by the presence of magnetic fields and thus, can be considered as the optical equivalent of magnetic hard disks in computers. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Types of Storage Devices Physical components or materials on which data is stored are called storage media. Teaching tip There are several formats of DVD recordable. Direct Access Storage Devices (DASDs) Magnetic Discs Hard disks (high capacity, low cost, fast) Floppy disks (low capacity, lower cost, slow) Optical Disks CD-ROM = (Compact disc, read-only memory 2. Disk fixed in the computer storing data, operating systems and software. Spend time researching the different standards. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. Section 2: Input and Output Devices. Types of storage magnetic, optical, magneto-optical, solid state Storage characteristics Magnetic storage: | PowerPoint PPT presentation | free to view SECONDARY STORAGE DEVICES - SECONDARY STORAGE DEVICES Y.Colette LeMard FLASH MEMORY You may recall that EEPROM can be erased by using high voltages. Previous - Solid State Storage Media . Hardware components that read/write to storage media are called storage devices. magnetic and optic based storage devices Sarab Singh. Section 2: Input and Output Devices. Portable hard disk. See our Privacy Policy and User Agreement for details. See our User Agreement and Privacy Policy. Learning Objectives 1) To understand the purpose of secondary storage and to be able to identify examples of such devices. PowerPoint Presentation on Optical Storage. When an optical drive shines light into a pit, the light cannot be reflected back. A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc.Both 130 mm (5.25 in) and 90 mm (3.5 in) form factors exist. Get the plugin now. PowerPoint Presentation : Optical Storage Devices – How Optical Storage Works An optical disk is a high-capacity storage medium. On a CD if you wish to hear song 1 over and over, you simply press repeat. What type of storage do you use for saving your computer work? It begins with an analysis of the properties of materials, presentation of the postulates of quantum mechanics, and close examination of the hydrogen atom, simple molecules and bonds, and the behavior of electrons in solids and energy bands. Teaching tip Students often do not understand why random access hard drives and floppy drives are faster than sequential drives. Section 3: Storage Devices and Media. Hard disk & Optical disk (college group project), No public clipboards found for this slide. Magnetic storage media uses a magnatised surface area in order to hold bits of information. Magnetic storage use different patterns of magnetization to in a magnetizable medium to store data. Teaching tip The formula for the disk capacity is listed on page 232 of the text. Ch 17 disk storage, basic files structure, and hashing Zainab Almugbel. Magnetic storage, such as digital data/audio tapes or the old floppy disks (remember those? 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