Other storage devices use laser beams to read information that has been stored on the reflective surface of a disk. Examples of Storage Device. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. You can change your ad preferences anytime. See our User Agreement and Privacy Policy. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. This contains explanations on different kind of storage medium including magnetic storage device, flash storage device etc. Cost per bit of storage decreases. If you continue browsing the site, you agree to the use of cookies on this website. PPT on Wireless charging of mobile using microwaves, Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell), No public clipboards found for this slide. Cache memory provides the fastest access time and it contains data that is most frequently accessed by the CPU. Storage devices will store data, even when the power to the computer is switched off. Examples include USB pen drives, hard disks, CDs, CD R/Ws, DVDs, SD and micro SD cards, Blu-ray disks and magnetic tape. –Storage media are nonvolatile • Random vs. Sequential Access –Random access (direct access) allows data to be retrieved from any location on the storage medium –Virtually all storage devices use random access –Sequential access means retrieval of data can occur only in the order in which it was physically stored on the storage medium 1. Plus, get practice tests, quizzes, and … PowerPoint Presentation on: Presentation on Different types of Storage Devices - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Many are downloadable. USB flash drives are small (roughly the size of a pack of gum), portable storage … Get ideas for your own presentations. Common magnetic storage devices include hard drives, floppy disk drives, and tape drives. Magnetic disks are the most common backing storage device. Due to the change in its dimensions it … The two main types of magnetic disks are floppy disks and hard disks. But with the invention of transistors, radical changes were introduced in the memory implementation techniques. Storage devices are also called secondary storage devices / backing storage devices / external storage devices or auxiliary storage devices. The read/write heads, as the name suggests, ar… Internal Memory − cache memory and primary/main memory. Capacity in terms of storage increases. A standard CD-ROM disk can store up to 650 MB of data, or about 70 minutes of audio. See our Privacy Policy and User Agreement for details. Primary Storage Magnetic Storage Device – one of the most popular types of storage used. Hard disks store data … Data storage has expanded from text and numeric files to include digital music files, photographic files, video files, and much more. Mobile Shelving. If you continue browsing the site, you agree to the use of cookies on this website. Other forms of external types of … Floppy Diskette. Where most of today’s types of data storage devices are stored is on a … View Mass Storage Devices PPTs online, safely and virus-free! Magnetic Disks A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. Now customize the name of a clipboard to store your clips. Hardware components that read/write to storage media are called storage devices. Share yours for free! Also explore over 8 similar quizzes in this category. To minimize this speed mismatch, cache memory is introduced. TYPES OF MEMORIES AND STORAGE DEVICE AND COMPUTER, No public clipboards found for this slide. Clipping is a handy way to collect important slides you want to go back to later. Hard drive – An internal hard drive is the main storage device in a computer. • 120Gb hard disk drive. If you continue browsing the site, you agree to the use of cookies on this website. Topic: Explain different types of storage devices in Computer systems Storage Devices Storage devices are used to store data and instructions permanently. The difference being that they can be plugged in to the computer or removed and kept separate from the main computer. Now customize the name of a clipboard to store your clips. presentation on storage devices for students. Zip Diskette • Hardware data storage device developed by Iomega that functions like a Standard 1.44" floppy drive. Created for R001 on Cambridge Nationals DAT- Digital Audio Tape: This is also the type of magnetic tape that uses the helical scan of record … • Capable to hold up to 100 MB of data or 250 MB of data on new drives. Floppy diskette – A normal 3 ½ inch disk can store 1.44 MB of data. The picture shows an example of a Drobo, an external secondary storage device.. this presentation is for storage devices and the basic concept of storage devices including hard disk, floppy disk etc. The hardware that writes data to or reads data from a storage medium is called a storage device. • Now it less popular as users needed larger storage capabilities. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Each track on a disc is divided into two sectors. PowerPoint Presentation : Optical Storage Devices – CD-ROM In PCs, the most commonly used optical storage technology is called Compact Disk Read-Only Memory (CD-ROM). A computer system has a well-defined hierarchy of memory. Recording can be done using virtually any form of energy.storage device is a hardware device capable of storing information.There are two storage devices used in computers; a primary storage device such as computer RAM and a secondary storage device such as a computer hard disk drive. As a member, you'll also get unlimited access to over 83,000 lessons in math, English, science, history, and more. By: Rabail Asghar. Finally the issue of physical space needed to accommodate a hard disk drive was realized and hard disk drives started to get a little smaller, from large wardrobes to a pretty small box, and the IBM 1311 was a good example of it, looking considerably like a washing machine. USB Flash Drive. These devices provided an extremely low access rate. Data stored on disks is arranged along a series of concentric rings called tracks. Data is stored in this … Storage Device is a device for recording (storing) information (data). 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. HARD DISK DRIVE (HDD) The regular Joe that you will find in most computers. Similar to static shelving, mobile shelving is a completely adjustable solution that … However, since the introduction of other devices which are smaller and more portable, the floppy disc is now less used. External Memory − magnetic disk / optical disk etc. By now, you have a pretty good idea what is meant by a storage device, but keeping up with the types of computer storage mediums and how they are used is more than a challenge unless you recently landed an assignment as IT Storage Administrator for an expanding company or you are a leader for a world-class managed services provider (MSP). Try this amazing A Trivia Quiz On Storage Devices! These new types of files require secondary storage devices with much greater capacity than floppy disks. Memory is primarily of two types. A floppy disk drive is a storage device. These are called optical storage devices. Alternatively referred to as digital storage, storage, storage media, or storage medium, a storage device is any hardware capable of holding information either temporarily or permanently. Storage Devices Popular types of optical storage devices for computers include CD-ROM and DVD-ROM drives. A hard disk drive (HDD) or hard drive is an air-sealed enclosure which consists of a series of magnetized disks on which data can be stored. Learn new and interesting things. These are hard drives similar to the type that is installed within a desktop computer or laptop computer. A CPU has direct access to it main memory as well as its inbuilt registers. Register are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU, there are various types of Registers those are used for various purpose.Among of the some Mostly used Registers named as AC or Accumulator, Data Register or DR, the AR or Address Register, program counter (PC), Memory Data Register (MDR) ,Index register,Memory Buffer Register. See our User Agreement and Privacy Policy. An external hard drive is also known as removable hard drive. A floppy disk, like a cassette tape, is made from a thin piece of plastic coated with … Lecture Notes Types of Computer Storage Devices Ppt Slide Power point Online Primary Storage Secondary Storage Memory Hierarchy Computer Memory ... Labels : Lectures; Item Reviewed: Lecture Slide :Computer Storage Devices & Computer Memory 9 out of 10 based on 10 ratings. These disks spin thousands of times per minute, allowing for fast writing and retrieval of data. If you continue browsing the site, you agree to the use of cookies on this website. I created this presentation for my school. Each track is … The access time of the main memory is obviously less than the CPU speed. Two main categories of storage technology used today are magnetic storage and optical storage. https://www.slideshare.net/NoumanRiaz2/presentation-on-storage-devices 9 user reviews. Larger storage devices offer slow speed and they are less expensive… Clipping is a handy way to collect important slides you want to go back to later. Magnetic drum: It is a metallic cylinder coated with a special magnetic alloy. Depending upon the storage capacity, access rate and volatility, data storage can be divided into primary storage and secondary storage. It was used in the traditional PCs to store small documents. Looks like you’ve clipped this slide to already. • 1.44Mb floppy disk. See our Privacy Policy and User Agreement for details. Floppies are still found in most modern computers by default and are of the 3 1/2 inch size, which with today’s data storage device methods, allow them to hold a total of 1.44 megabytes of data. You can change your ad preferences anytime. Mass storage devices 1.Magnetic disks: Magnetic disks are made of rigid metals or synthetic plastic material. Posted by Unknown Email This BlogThis! The disk platter is coated on both the surfaces with magnetic material and both the surfaces can be used for storage. As diverse data storage needs continue to rise … In this chapter, you will learn about the many types of secondary storage devices including their The memory with the fastest access is the costliest one. Primary magnetic storage o Diskettes o Hard disks (both fixed and removable) o High capacity floppy disks o … Once data is written to a standard CD-ROM disk, the data cannot be altered or overwritten. Characteristics of Memory Hierarchy are following when we go from top to bottom. Tracks form circles on the surface of a magnetic disk. This speed is measured in Revolutions Per Minute (RPM). A hard drive with speed of 7200 RPM can access data faster than one that spins at 5400 RPM. CSCA0101 Computing Basics 26 quiz which has been attempted 10405 times by avid quiz takers. 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