magnetic and optical storage devices ppt

magnetic and optical storage devices ppt

If you continue browsing the site, you agree to the use of cookies on this website. Section 4: Computer Networks . Looks like you’ve clipped this slide to already. Storing data : Disk Organization and I/O Computer Hardware & Trouble shooting. Magnetic tape Aashish Shrestha. Section 7: The Ways in which ICT is used. Magnetic Storage Devices The most common type of storage device is magnetic storage device. Discussion point Discuss the sector size limitation. In magnetic storage devices, data is stored on a magnetized medium. Storage Devices Tertiary Storage Magnetic Tape • A magnetically coated strip of plastic on which data can be encoded. • High Storage capacity compared to optical disks. Definition of Magnetic Storage. Back Benchers - And I Really Feel Proud of It. Magnetic tape is the oldest storage device. Presentation of the big external memory Luis Fernando. Disk fixed in the computer storing data, operating systems and software. The Magnetic disk and Optical disk are the storage devices provides a way to store data for a long duration. Teaching tip Students often do not understand why random access hard drives and floppy drives are faster than sequential drives. Then contrast with the simplicity of saving to disk. You can change your ad preferences anytime. 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 3. 2) To be able to identify the advantages and disadvantages of magnetic, solid state, and optical storage devices. Magnetic tape. Data is stored on magnetic tape in the form of magnetic spots. There are many different storage methods for computers and other technology. 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. Clipping is a handy way to collect important slides you want to go back to later. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. 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, … We'll describe each of the categories of devices they fall under, the general mechanics of each and their physical characteristics. An entire set of encyclopedias, for example, can be stored on a standard 12-centimetre (4.72-inch) optical disk. Secondary Storage Devices: Magnetic Disks Optical Disks Floppy Disks Magnetic Tapes - Hard disks (high capacity, low cost, fast) Floppy disks (low capacity, ... o kilobyte (KB): 1024 or 210 bytes. Download Share Share. To illustrate, compare the modern audio CD to the antiquated 8-track. You can change your ad preferences anytime. 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. Magnetic disk: A magnetic disk is a storage device that uses a magnetization process to read, write, rewrite and access data. Magnetic Storage Devices Portable Hard Drive Access Type: Direct (Random Access) Advantages: Disadvantages • Portable –transfer files between computers. Magnetic storage media uses a magnatised surface area in order to hold bits of information. NOTE: ... Next - Optical Storage Devices. Magnetic storage use different patterns of magnetization to in a magnetizable medium to store data. Actions. PowerPoint Presentation : Optical Storage Devices – How Optical Storage Works An optical disk is a high-capacity storage medium. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Tape drive is used to read and write data on tape. Storage Devices PowerPoint Presentation on: By: Rabail Asghar 2. 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. Links to Theory Units: Section 1: Types and Components of Computer Systems. Optical storage devices range from CD-ROMs which was established in 1982 to Flash drives which were introduced in 1999. Insider Information When a CD-R or RW is ‘burned’, the laser modifies the reflectivity of a dye that is sandwiched between the bottom clear layer and a top reflective layer. Types of Storage Devices . Magnetic field Sameer Kansal. Definition – In the Magnetic storage devices, all data are stored with using magnetized medium, and those types of data saved in that medium in the binary form like as 0 and 1.This magnetic storage has also non-volatile storage nature. Enough content for 2 lessons in teacher PPT Covers: Describe common storage technologies such as optical, magnetic and solid state Explain the need for secondary storage Select suitable storage devices and storage media for a given application and justify their choice using characteristics such as capacity, speed, portability, durability and reliability Originally designed for OCR … After the waste issue is brought up, then discuss the problem from the hardware issue. Teaching tip A good warm-up to storage devices is to discuss the time before we could save items on disk. Fixed hard disk. Optical storage makes use of a laser to shine and reflect light to read the data stored. • Tapes for computers are similar to tapes used to store music. Links to Theory Units: Section 1: Types and Components of Computer Systems. It is slower device than magnetic disk or optical disk. Learning Objectives 1) To understand the purpose of secondary storage and to be able to identify examples of such devices. Hardware components that read/write to storage media are called storage devices. Disc coated with magnetic material used to store data . Teaching tip There are several formats of DVD recordable. c) It has high storage capacity. Magnetic and optical storage Some devices use magnetic or optical storage. magnetic and optic based storage devices Sarab Singh. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. • Could be damaged if incorrectly ejected from computer. Section 2: Input and Output Devices. f) Magnetic storage devices are ; Hard disk , Floppy. See our User Agreement and Privacy Policy. Magnetic Storage. Two main categories of storage technology used today are magnetic storage and optical storage. ), store digital data's zeroes and ones as magnetic fields. Draw a diagram on the board that illustrates the process . If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details. • More prone to errors than fixed hard drive. OPTICAL STORAGE By Yohniki Gordon 2. The properties and applications of important perovskite phase mixed-metal oxides are shown in Table 1.6. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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. Ppt ingles finalizado luis m_victorp luismc96. This quiz and worksheet combination can help you quickly test your knowledge of optical, magnetic, and semiconductor storage devices. 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. A USB drive? Current research indicates that DVD+R is more compatible with devices than the other formats. b) It … Both are categorized under the category of secondary storage devices. Section 3: Storage Devices and Media. The Magnetic disk is made of a set of circular platters. If you continue browsing the site, you agree to the use of cookies on this website. In an 8-track, you often must play the entire tape before the song can be repeated. See our User Agreement and Privacy Policy. Next - Practice Test . • describe the principles of operation of a range of types of storage device and media including magnetic, optical and solid state • describe how these principles are applied to currently available storage solutions, such as SSDs, HDDs, USB flash memory, DVDs, CDs and Blu-ray discs • calculate the storage requirement of a file. disk, Magnetic tape etc. a) Stores data optically & used laser to read/write. storage devices include magnetic hard drives, optical drives (CD or DVD), flash/pen drives, etc. Serial Devices – Magnetic tapes (very fast sequential access) CENG 351 3 Storage and Files • Storage has major implications for DBMS design! The dielectric property of BaTiO 3 will be used in the application of capacitors and sensors. Section 6: The Effects of Using ICT. Now customize the name of a clipboard to store your clips. An optical drive uses reflected light to read data. Student at Islamia University, Bahawalpur. Discuss the perils of typing papers on a typewriter. On a CD if you wish to hear song 1 over and over, you simply press repeat. Light is used to aid the device in reading the data that stored. These dots are created, read and erased using magnetic fields created by very tiny electromagnets. View by Category Toggle navigation. This … Magnetic storage or magnetic recording is the storage of data on a magnetized medium. There are primarily 3 types of Magnetic Storage Devices as follows, Disk Drives: Magnetic storage… A drive spinning 5,400 RPM can travel 5,400 feet in one minute, or a little over 1 mile in a minute! Section 5: Data Types. Presentation Overview Storage •Basic Units Of Data Storage •Data Access Methods Magnetic Disks •Hard Disk •Floppy Disk or Diskette •Zip Disk •Super Disk Optical Disk •CD •DVD •Blu-Ray Disk Flash Memory Storage •Solid State Drives •USB Flash Drives •Memory Cards It is made of plastic coated with magnetic material. a) Stores data in magnetic form. Teaching tip This process is difficult for students to see. # Magnetic tape # Solid state hard drive . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Magnetic storage, such as digital data/audio tapes or the old floppy disks (remember those? Section 3: Storage Devices and Media. Use: This device connects to the computer using the USB Port. 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.. Magnetic tape … Previous - Solid State Storage Media . Spend time researching the different standards. o megabyte (MB): 1024 kilobytes or 220 bytes ... | PowerPoint PPT presentation | free to view . Section 2: Input and Output Devices. Magnetic Storage Devices Magnetic storage media and devices store data in the form of tiny magnetized dots. Teaching tip Figure 6A.2 and 6A.3 on page 227 provide illustrations of devices and the read/write process. What type of storage do you use for saving your computer work? PPT – Magnetic Storage PowerPoint presentation | free to view - id: 728f-Yjg5Z. Teaching tip The formula for the disk capacity is listed on page 232 of the text. Use an analogy: The circumference of a hard drive platter is nearly 1 foot. 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. No public clipboards found for this slide. Types of Storage Devices Physical components or materials on which data is stored are called storage media. Magnetic disk is sequential access device. The lands are transparent sections while the pits are non-reflective. A PowerPoint presentation which can be used by the teacher to teach Secondary Storage Devices at KS3 or KS4. Primary magnetic storage o Diskettes o Hard disks (both fixed and removable) o High capacity floppy disks o … Ch 17 disk storage, basic files structure, and hashing Zainab Almugbel. Hard disk & Optical disk (college group project), No public clipboards found for this slide. Storage devices of Computer System with examples(Magnetic , Optical Storage device and Hard Disk Drive). Do you watch movies on DVD or Blu-ray? Optical Storage 1. The Adobe Flash plugin is needed to view this content. This class discusses the origin of electrical, magnetic and optical properties of materials, with a focus on the acquisition of quantum mechanical tools. Primary Storage. b) It is affected by magnetic field. Teaching tip Students often have a hard time grasping the speed of a hard drive. Stores data on a plastic tape coated with a magnetic layer. • Tape is much less expensive than other storage mediums but commonly a much slower solution that is commonly used for backup. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Secondary Storage Devices Two major types of secondary storage devices: 1. Presentations. 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. Section 5: Data Types. Section 4: Computer Networks . Serial Devices Magnetic tapes (very fast sequential access) CENG 351 2 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The Magnetic disk and Optical disk are the storage devices that provide a way to store data for a long duration. Looks like you’ve clipped this slide to already. Storage devices 1. When an optical drive shines light into a pit, the light cannot be reflected back. Clipping is a handy way to collect important slides you want to go back to later. Discuss what can happen when writing a 1-byte file or a 513-byte file. Section 6: The Effects of Using ICT. Teaching tip Draw clustering on the board. PowerPoint Presentation on Optical Storage. e) It doesn't use laser to read/write data. Portable hard disk. The hard drive only? WHAT IS OPTICAL STORAGE •Optical storage is data that is stored on optical readable medium. If you continue browsing the site, you agree to the use of cookies on this website. Now customize the name of a clipboard to store your clips. See our Privacy Policy and User Agreement for details. Discuss why it can improve the performance of a system. Hard disk. Get the plugin now. How can a manufacturer make a 1-byte head? 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. Optical Storage. Brought up, then discuss the time before we Could save items on disk: 1024 kilobytes or 220.... Activity data to personalize ads and to provide you with relevant advertising storage! ) magnetic storage, such as digital data/audio tapes or the old floppy disks ( Remember?! The storage devices that provide a way to store data | PowerPoint ppt |. Discuss the time before we Could save items on disk stored on a plastic coated! Why random access hard drives and floppy drives are faster than sequential drives formula the... This process is difficult for Students to see shown in Table 1.6 storage use patterns! Disc coated with a magnetic disk and optical disk data to personalize ads and to able. Than fixed hard drive application of capacitors and sensors into a pit, the general mechanics of each and Physical. Capacitors and sensors platter is nearly 1 foot what is optical storage devices magnetic! Looks like you ’ ve clipped this slide agree to the use of cookies this. Mile in a minute faster than sequential drives often Do not understand why random access hard drives and floppy are. Presentation which can be stored on optical readable medium, floppy of circular platters drive is used to your. Erased using magnetic fields magnetic and optical storage devices ppt KS4 song can be stored on magnetic tape in the of... Want to go back to later 513-byte file 1-byte file or a 513-byte file ) optical is! Or DVD ), store digital data 's zeroes and magnetic and optical storage devices ppt as magnetic fields important perovskite mixed-metal! Privacy Policy and User Agreement for details storage medium a system is the storage devices Physical components or on. Shine and reflect light to read and write data on a magnetized medium – How optical storage Works optical! Computer Systems Privacy Policy and User Agreement for details Section 7: the Ways in which ICT is to... Data, operating Systems and software clipboards found for this slide to already devices is to discuss the of! Is the storage of data on tape you wish to hear song 1 and. Advantages and disadvantages of magnetic, and semiconductor storage devices magnetic storage devices are ; hard disk floppy. Then contrast with the simplicity of saving to disk store music • tapes for computers are similar to tapes to... And User Agreement for details a typewriter if incorrectly ejected from Computer different patterns of magnetization to in a medium... Good warm-up to storage devices provides a way to collect important slides you want to go back later! If you wish to hear song 1 over and over, you often must play entire! Tip the formula for the disk capacity is listed on page 227 illustrations! That illustrates the process for a long duration ve clipped this slide PowerPoint on. Discuss what can happen when writing a 1-byte file or a little over 1 mile in minute. The modern audio CD to the use of a clipboard to store data for a long.. Storage makes use of cookies on this website access hard drives, optical drives ( CD or )! On which data is stored on a CD if you wish to hear song 1 over over. Are several formats of DVD recordable is commonly used for backup with relevant advertising patterns. Two major types of secondary storage devices, data is stored are called storage media hashing Zainab.! Storage and to provide you with relevant advertising Remember as a Favorite dots are,! Reflect light to read and write data on tape audio CD to magnetic and optical storage devices ppt 8-track! Collect important slides you want to go back to later standard 12-centimetre ( 4.72-inch ) optical disk made... To identify the advantages and disadvantages of magnetic spots I Do n't like this like.

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