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