Computer storage devices pdf

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5 types of storage devices
examples of storage devices and their functions
3 types of storage devices
list of storage devices of computer
10 examples of storage devices
types of storage devices ppt
secondary storage devices pdf
storage devices examples and definitions

Purpose of storage devices > to hold data even when the computer is turned off so the data can be used whenever needed. Storage involves writing data to the medium and reading from the medium. Writing data > recording the data on the surface of the disk where it is stored for later use. Reading data > retrieving data Memory, Storage Devices and. Data Representation. Like human beings need to memorize things, which can be retained and recalled on need, computers also need to store data and instructions for future use. Memory is a part of computer where data and instructions are stored. A computer deals with different type of STORAGE DEVICES. Q1. Describe in detail the purpose and working of the main memory? Purpose: Computer needs a storage device to store programs/data. Working: Programs are loaded into the main memory, and then instructions are executed one by one. It is the main working area of the computer. It is very fast but Computer Classes @ The Library. East Brunswick Public Library www.ebpl.org. Fall 2008. COMPUTER STORAGE DEVICES. The hard drive/disk. The primary storage device that a computer uses to store information. It stores the programs that you install on your computer. It also stores your data files (which include rate and storage capacity. • Examples of storage devices magnetic disk, optical disk, flash memory, magnetic tape and network storage. • In understanding the characteristics of data storage devices that read their data in sequence. • Sequential access It is a non-volatile computer storage chip. • It is primarily used in chapter, you will learn about the many types of secondary storage devices including their capabilities and limitations. Page 219. 8-. Storage. • Primary storage . 8-. Solid-State Storage. • Flash memory cards. – Widely used in notebook computers. – Used to record MP3 music files. • USB drives. – Key ring flash memory. 6 Feb 2014 COMPUTER STORAGE DEVICES. Class: Comp. Sc A/L. By: 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 data storage provides one of the Provides permanent or nonvolatile storage. ? Data and programs can be retained after the computer has been shut off. ? Most desktop microcomputer systems have both hard and optical disk drives. Page 7. Secondary Storage. © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2013. 8-7. Categorizing Storage Devices. • Storage devices hold data, even when the computer is turned off. • The physical material that actually holds data is called a storage medium. The surface of a floppy disk is a storage medium. • The hardware that writes data to or reads data from a storage medium is called a storage device. A. Storage Devices. Primary Storage. ROM. • This memory is used as the computer begins to boot up. • Small programs called firmware are often stored in ROM chips on hardware devices (like a BIOS chip), and they contain instructions the computer can use in performing some of the most basic operations required to operate.