These new types of files require secondary storage devices with much greater capacity than floppy disks. Storage devices of computer system magnetic,optical. Presentation on storage device linkedin slideshare. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. Disk storage also sometimes called drive storage is a general category of storage mechanisms where data is recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotating disks. By watching this video you can easily know the types. These types of storage devices for computer systems have the ability to store data until the stored data is deleted. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors.
Storage devices can store large amounts of data and instructions permanently whereas primary memory has less capacity of storing data. Categorizing storage devices magnetic storage devices optical storage. Magnetic disks a magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. Any media, permanently attached or transportable, capable of storing electronic information. The picture shows an example of a drobo, an external secondary storage device there are two types of storage devices used with computers. Notable types are the hard disk drive hdd containing a nonremovable disk, the floppy disk drive. The physical material that actually holds data is called a storage medium. Applications which require the prevention of deletion of data. A compact disc drivecdd is a device that a computer uses to read data that is encoded digitally on a compact disccd.
With the proper login credentials, that backup can then be accessed securely from any other computer with an internet connection. Memory devices in a system the purpose of the memory device is to store the information and for the information retrieval. Types of storage devices there are three main types of storage devices. Characteristics of memory hierarchy are following when we go from top to bottom. An example of this type of storage is random access memory. It can hold and store information both temporarily and permanently, and can be internal or external to a computer, server or any similar computing device. Everything you need to know about data storage devices in 2017 as technology continues to improve, data management solutions ever increasingly allow users to store more data in ever more convenient places. Apples icloud is an example of personal cloud storage. Explain different types of storage devices in computer systems storage devices storage devices are used to store data and instructions permanently. Monitors and printers are two of the most commonlyknown output. There are basically two types of data storage devices available. Hard drives also called hard disk drives or hdds are very common computer storage devices. Flow of presentation introduction types of storage device.
Presentation on different types of storage devices solid. In this chapter, you will learn about the many types. Choosing the right ones for your business requires careful consideration about how you work and what you want to store. A device that only holds information is a recording medium. Hard disk hard disk is a primary storage device in a computer to store the programs and data permanently. Storage devices disk types floppy disks hard disks magnetic tape zip disks flash drive optical disks cdrom, cd, dvd, rw. Storage devices are also known as storage medias or storage medium. Introduction a data storage device is a device for recording storing information data. A motherboard is a large system in itself which contains a.
This system is designed for one person or company that is specific to your needs. Dynamic storage requires power to maintain the information it stores. The hardware that writes data to or reads data from a storage medium is called a storage device. Let us compare these media in terms of portability, speed and capacity. It is the main printed circuit board present in the computers which holds the main electronic components of the system like the central processing unit and memory and also provides the connectors for other important peripherals. The storage capacity of storage devices varies from a few bytes. Secondary storage devices are essential as the size of p rimary storage or main memory in every computer is limited.
Floppy disk are read and written using floppy disk drive. To carry out big jobs like commercial data processing, it becomes essential that data be held in some expansive form of storage. Categorizing storage devices magnetic storage devices optical storage devices powerpoint presentation. Presentation on storage devices linkedin slideshare. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. As can be seen by the below picture there are three different types of storage on a. Types of flash memory storage solid state drives the solidstate drivesssd are storage devices that typically use flash memory to store data. There are two types of storage devices used with computers. Muhammad tayyab bilal muhammad nouman yasir abbas tajamal hussain ali hamza imran khalid. But primary storage is actually where the data you are actively. A storage device may hold information, process information, or both. Presentation on different types of storage devices free download as powerpoint presentation. Secondary storage is used for longterm data storage, often on external devices. The physical material that actually holds data is called a storage.
Two main categories of storage technology used today are magnetic storage and optical storage. A storage device is a piece of computer hardware used for saving, carrying and. The types of computer storage devices include floppy disks, usb flash drives, memory cards, memory sticks, tape cassettes, zip cassettes, computer hard drives, cds and dvds. The device can be both external and internal to a computer and includes. Here are discussions on some secondary storage devices. Recording can be done using virtually any form of energy. The term cloud refers to the backup storage facility being accessible from the internet. Storage devices are also called secondary storage devices backing storage devices external storage devices or auxiliary storage devices. However, since the introduction of other devices which are smaller and more portable, the floppy disc is now less used. Types of storage devices lesson 9 powerpoint presentation. Also known as mobile cloud storage, personal cloud storage is a subset of public cloud storage that applies to storing an individuals data in the cloud and providing the individual with access to the data from anywhere. The most common types of optical media are bluray bd compact disc cd digital versatile disc dvd csca0101 computing basics 18.
Different types of computer storage devices techwalla. With this, the computer can only accommodate a limited sized program and data. A storage device is one of the basic elements of any computer device. Primary storage, which is temporary, is used to store programming instructions, data in use, and the results of data operations. Chapter 8 secondary storage 8introduction data storage has expanded from text and numeric files to include digital music files, photographic files, video files, and much more. Optical disc optical discis any storage media that holds content in digital format and is read using a laser assembly is considered optical media. It was used in the traditional pcs to store small documents. Types of storage devices physical components or materials on which data is stored are called storage media.
There are many secondary storage devices, including magnetic drums, magnetic tapes, magnetic disks, and optical disks. Traditionally, the floppy drive was the most common 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. Ppt types of storage device powerpoint presentation free to. There are many types of storage devices those are based on the sequential and random access means the data which is stored into the secondary storage devices can be read either from the first location which is also known as the sequential access or sequential manner and the data can be read from these disks and also from any locations. It almost saves all data and applications in a computer except for hardware firmware. Magnetic tape magnetic tape is the oldest storage device. The devices are usually used for display, projection, or for physical reproduction. Other forms of external types of external computer storage devices are. Hardware components that readwrite to storage media are called storage devices.
Secondary storage mediathere are several types of secondary storage media, some are seldom used while others used daily. A storage device is any computing hardware that is used for storing, porting and extracting data files and objects. Storage devices of computer system with examplesmagnetic, optical storage device and hard disk drive. Mass storage machines can store up to several trillion bytes of data and hence are used to store or save large databases, such as the information of customers of a big retail chain and library transactions of students in a college.
For example, a floppy disk drive and hard disk drive are both good examples of secondary storage devices. These are very early highspeed, direct access storage devices used in the 1950s and 1960s. If you want to be able to save your files over and over again to the same cd, which of the following types of cd would you need to use. Hard disk floppy disk optical disc flash memory drive cloud storage 5. Ppt types of storage devices powerpoint presentation, free. Ppt introduction to storage devices powerpoint presentation, free. These devices vary with respect to their versatility, durability, capacity, and speed. This is a type of backup where data is backed up to a storage server or facility connected to the source via the internet. The secondary storage systems can either be classified as sequential or direct depending on how data can be accessed from the storage media. It comes in different shapes and sizes depending on the needs and functionalities. This contains explanations on different kind of storage medium including magnetic storage device, flash storage device etc. Secondary storage is a storage medium that holds information until it is deleted or overwritten regardless if the computer has power. Explain different types of storage devices perfect. A disk drive is a device implementing such a storage mechanism.
Both work good, but primarily for businesses, not individuals, unless you are running a smaller homebased company. It also provides data syncing and sharing capabilities across multiple devices. A secondary storage device has a larger storage capacity and can store data permanently. A storage device may also be known as a storage medium or. Mass storage devices refer to the saving of huge data in a persistent manner.
A cd drive can be installed inside a computers compartment, provided with an opening for easier disc tray access or it can be used by a peripheral device connected to one of the ports provided in the computer system. Storage devices those devices which are used to store data, information and programs permanently. Categorizing storage devices storage devices hold data, even when the computer is turned off. When many people hear the term primary storage, they think of the hard drive on the computer where you store or save your data.
Storage devices are used to store data from computers and can be classified as removable or nonremovable. The two primary storage technologies are magnetic and optical. A storage device is a device used for storing something. Secondary storage can be removable, internal, or external storage, local storage options extern. Compare the types of secondary storage media with respect. The most widely used type of optical storage devices are explained below. When computer is switched off, all data in ram is erased. What is storage devices storage devices of computer. Describe hazards associated with material handling activities. Introduction it is the amount of data that can be stored in the storage unit. Private cloud storage is exactly what the name says.
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