Storage devices hold data, even when the computer is turned off. Floppy disks hard disks optical disks including cdrom, writeable cd, dvd backup storage devices e. This quiz and corresponding worksheet will help you gauge your understanding of the various features of a computer s memory, along with its processing devices. So that data which is stored into the nonvolatile storage devices will never be loosed when the power switched off. Storage devices several types of disks may be used for secondary storage. The capacity of these devices is very high means we can store the huge amount of data into the secondary storage devices. This contains explanations on different kind of storage medium including magnetic storage device, flash storage device etc. The data in ram is lost when the computer is turned off so it is known as volatile memory. Presentation on different types of storage devices free download as powerpoint presentation. Types of storage devices physical components or materials on which data is stored are called storage media. Indicate what type of device it is by writing one of the following letters beside it. The physical material that actually holds data is called a storage. They store almost all the data and applications on a computer except software permanently programmed on the hardware.
Categorizing storage devices storage devices hold data, even when the computer is turned off. The diagrammatic representation of the classification of. Types of storage devices lesson 9 powerpoint presentation. Most primary storage devices are found inside the computer, and they have the fastest access to data. Ppt storage devices powerpoint presentation free to download. 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.
Use safe practices in the handling of computer hardware and. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Categorizing storage devices magnetic storage devices optical storage devices powerpoint presentation. Return back from computer storage devices to computer hard. Storage devices instructions data information instructions data information data information personal computers and mobile devices a personal computer is a computer that can perform all of its input, processing, output, and storage activities by itself. These devices are very sensitive to environmental conditions humidity and temperature as well as to external magnetic fields and need to be stored carefully. Page 219 8storage primary storage volatile storage temporary storage secondary storage nonvolatile storage permanent storage. Types of computer systems computers are often identified by their size and power. Examples of primary devices include cache memory and ram. Some cheaper highend server storage devices have also used pata. Computer storage devices are the memory for computers. Floppy disk drives allow you to savework on small disks and take the data withyou. These types of storage devices for computer systems have the ability to store data until the stored data is deleted.
Williamskilburn tube in 1946 professor frederick c. Pata hard drives are still being utilized today, especially in external hard drive boxes, but theyre becoming rare. Types of computer systems computers are often identified by. I for input devices, o for output devices, s for storage devices. Section 1 types and components of computer systems hardware and software computer hardware is the collection of physical elements that constitute a computer system. These practice materials will quiz you on the different types of computer data storage and how they function.
Quiz question topics include the storage device that is. When the main memory holds instructions and data when a program is executing, the auxiliary memory or. Hardware components that readwrite to storage media are called storage devices. Explore 3d optical data storage with free download of seminar report and ppt in pdf and doc format. Any storage unit of a computer system is characterized and evaluated based on following properties storage capacity, access time, cost per bit of storage, volatile and random access. Introduction a data storage device is a device for recording storing information data. 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 bluray disk flash memory storage solid state drives usb flash drives memory cards. This may be done temporarily whilst inputs are processed to. Two main categories of storage technology used today are magnetic storage and optical storage. Data in secondary storage is safe because of high physical stability of secondary storage device. Storage devices are the computer hardware used to rememberstore data. When your computer fails to work it can happen anytime, your files will be kept safe on secondary storage devices. It plugs into almost any usb port in your computer and the data is erasable.
Computer hardware manufacturers and suppliers in uae computer hardware is the components that constitute a computer system. A storage device may hold information, process information, or both. Computer storage devices are a must for an individual or organization to keep data and information in a reliable and permanent way. Recording can be done using virtually any form of energy.
In this chapter, you will learn about the many types of secondary storage devices including their capabilities and limitations. A storage device may also be known as a storage medium or. We can store data into the secondary storage devices in the form of giga bytes and tera bytes. With the help of a computer software, authorised people can locate and access the data quickly. Introduction all information systems need to store data. A device that only holds information is a recording medium. Computer hardware refers to the physical parts or components of a computer such as monitor, keyboard, computer data storage, hard drive disk, mouse, system unit graphic cards, sound.
Learning objectives after attending this session students will be able to. Presentation on storage devices linkedin slideshare. Access all your box files directly from your desktop, taking up very little hard drive space. The secondary storage systems can either be classified as sequential or direct depending on how data can be accessed from the storage media. To keep data the user must save it to backing store before the computer is turned off. The storage capacity ranges from 128 mb to 16gb and rising. The memory of a computer is the most important component of cpu. As compared to secondary storage units, primary storage units have less storage capacity. Below are explanations about different storage devices. Say xbox, bing and then onedrive, or browse apps to install onedrive from the store. At the most basic level, a computer is a device consisting of three pieces. Our editors research hundreds of hard drive sales each day to find the best deals on internal, external, and portable hard drives.
Computer data storage provides one of the core functions of the modern computer, that of. Hard disk floppy disk optical disc flash memory drive cloud storage 5. Jul 03, 2017 download computer memory ppt pdf presentation. This quiz and corresponding worksheet will help you gauge your understanding of the various features of a computers memory, along with its processing devices. Introduction to computers computer science and engineering. Download and install office apps for free on multiple pcsmacs, tablets, and phones. This page contains computer hardware seminar and ppt with pdf report. The content of memory is usually volatile, which means that if power is disconnected the data is lost.
This may be done temporarily whilst inputs are processed to produce outputs or for much longer periods of time. 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. They are not compulsory for the functioning of the computer but are useful for expanding the computers memory. Our cloud computing page explains all about the benefits and drawbacks of using the cloud for storage or services. This article throws light upon the two types of storage devices used in a computer. Download seminar report for cloud storage, abstract, pdf, ppt. Computer hardware is the physical part of the computer system, the machinery and equipment. It is also known as the main board, system board, base board and planar board. Computer hardware is a physical device, based on cost, size, and capabilities modern computers are assembled in many basic ways. Storage computer data storage, often called storage or memory, is a. Jun 11, 2015 computer hardware seminar and ppt with pdf report. A storage device is any computing hardware that is used for storing, porting and extracting data files and objects. Categorizing storage devices magnetic storage devices optical storage devices.
Also explore the seminar topics paper on 3d optical data storage with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Secondary storage can be removable, internal, or external storage, local storage options extern. Computer storage devices and servers global market report 2018 computer storage devices are the core components of a computing device. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. Dec 31, 2016 storage devices those devices which are used to store data, information and programs permanently. Computer memory is broadly divided into two groups and they are. Storage devices those devices which are used to store data, information and programs permanently. The data stays in the secondary storage on permanent basis until it is not overwritten or deleted by the user. Following are some of the important input devices that are used in a. Review, edit, analyze, and present your documents from your desktop to your windows, apple, and android devices. Sep 20, 2012 as compared to secondary storage units, primary storage units have less storage capacity.
Presentation on different types of storage devices solid. Ppt types of storage device powerpoint presentation free to. Input devices pointing devices keyboard optical input devices audio input device video inpu device. Stewart fayetteville high school 20082009 storage devices used to keep data when the power to the computer is turned off. The system unit focuses on processing, whereas a variety of peripheral devices facilitate input, output, storage, and communication. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. They can be used by the computer to create a picture of whatever the camera had been pointed at. Main memory only needs to store programs and data that are currently being used whereas the backing store needs to hold all of the programs and data that can be used on the computer. Memory is an internal storage area in a computer, which is availed to store data and programs either permanently or temporarily. Software consists of the programs that enable us to solve problems with a computer by providing it with lists of instructions to perform. Can i have a look at your powerpoint presentation on storage devices please. A primary storage device is quite smaller in size and its designed to capture or hold data for a temporary period.
William and colleagues developed the 1 st random access computer memory. Peripheral storage devices ppt video online download. Computer hardware is organized according to these basic functions. Computer storage devices ppt video online download slideplayer. A storage device stores programs and data either temporarily or permanently. Download optical storage technology seminar reports, ppt, pdf, optical storage technology seminar topics, abstracts, full documentation, source code. There are two types of storage devices used with computers. Main memory only needs to store programs and data that are currently being used whereas the backing store needs to hold all of the programs and data that can be. Dzeugang placide computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data used for computing for some interval of time. Save files to onedrive and switch devices without missing a beat. A newer storage device is a usb flash drive which is about the size of your car key. Create and edit any file, including office, cad and photoshop, directly from your web browser.
Uninstall and reinstall main and secondary storage devices. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. It is the future of computer memory storage devices. Computer systems have much more backing store than main memory for two reasons. Hard disk hard disk is a primary storage device in a computer to store the programs and data permanently. Used to keep data when the power to the computer is turned off. The picture shows an example of a drobo, an external secondary storage device. Primary storage device can store and retrieve data, as they are feed into it. Ppt data storage devices powerpoint presentation free. Types of storage device powerpoint ppt presentation. Ppt computer hardware powerpoint presentation free to.
Ppt introduction to storage devices powerpoint presentation, free. Presentation on storage device linkedin slideshare. A personal computer contains a processor, memory, and one or more input, output, and storage. The picture shows an example of a drobo, an external secondary storage device there are two types of storage devices used with computers. There are many types of storage devices, each with their own benefits and drawbacks. These components are monitor, mouse, computer storage data, keyboard, hard disk drive, graphic cards, ram, motherboard, etc. Floppy drive storage devices how it saves data and programs hard disk drives are an internal,higher capacity drive which also stores theoperating system which runs when you poweron the computer.
511 602 881 645 272 1004 737 1292 1422 281 255 156 1583 408 246 1417 1174 835 246 578 1580 693 475 1588 41 618 517 110 1320 1148 564 239 1324 44 1040 349 415 1175 543 1356 922 422 1473 509 1055 204 925 1252