PPT-Storage Devices: CD-ROM Drives

Copyright Texas Education Agency 2011 All rights reserved 1 Computer Maintenance Lesson Objectives Identify and Describe CDROM CDR CDRW Identify and Describe the functions of CD drives . Secondary Storage. Computer Storage. Computers have two kinds of storage:. Primary Storage. Secondary Storage. Primary storage is also called memory.. Secondary storage is often called storage.. Individuals often do not distinguish between these two types of computer storage.. M.Chinyuku. What is a Computer?. . A computer is an electronic device that stores, accepts data, retrieves data, processes data and gives output according to a set of instructions.. . 2. Elements of a computer. Objectives. Explain the data arrangement in a DVD. List the types of constructional formats of DVDs. List the types of DVDs. Explain the working of the DVD drive. Explain the parts of the DVD drive. Identify the speed listings of DVD drives. MIS5122: Enterprise Architecture for IT Auditors. Agenda. Storage. Characteristics of Different Types of Storage. Primary Storage. Secondary Storage. Magnetic Tape. Magnetic Disk. Storage Safety Nets. Computer Storage. Computer Technology. (S1 . Obj. 2-3 and S3 . Obj. 1-1). Storage. T. he place in the computer where data is held while it is not needed for processing. A . storage device. . is device used to record (store) data. Digital Planet. :. Tomorrow’s Technology. and You. George Beekman . •. Ben Beekman. . Tenth Edition. Digital Planet:. Tomorrow’s Technology and You. Chapter 3. Hardware Basics. Peripherals. Copyright © 2012 Pearson Education, Inc. publishing as Prentice Hall. Chapter 0 and 1 Section Objectives. 0.2 Explain IT industry certifications and technician jobs. 1.1 Identify and describe the purpose and characteristics of the components of Personal Computer Systems. 2. . Hard drives store data optically, with lasers.. 3. . CDs store data on a single, spiral track.. 4. . Disk caching can improve performance.. 5. . Smart cards are usually used to transport large amounts of data from one PC to another.. In this . chapter. , you . will learn how to. Describe . floppy drives. Explain . how . hard drives . work. Describe current . optical disc technologies. Common Storage Devices. Floppy disk drives (FDDs) are mechanical devices used to read and write data . Describe the features and performance characteristics of server-class hard disks and solid state drives. Describe features of the SCSI interface and know how to configure devices correctly. Describe features of the SATA and SAS interfaces and know how to configure devices correctly. J276. Storage. Unit 1. System architecture, memory and storage. Describe flash memory . Discuss the need for secondary storage including optical, magnetic and solid state storage . Evaluate suitable storage devices and storage media for a given application using the following characteristics: . Chapter 1. Compilers/interpreters. Programs must be converted to machine language. . Compiler – converts a program into a separate machine language program. That program can then be executed whenever needed. . media. YT Video 3:30. The hard drive is the primary long-term storage device used in personal computers. Hard drives are not volatile-even without power data remains stored on the drive. Hard drives come in three sizes for personal computers. media. PM Video 10:28. Selecting a Hard Drive. Some considerations when selecting a hard drive:. Drive capacity. Today’s hard drives range from 60 GB – 10 TB. Spindle speed (measured in RPM). Common spindle speeds are: 3600, 5400, 7200, 10,000, and 15,000 RPM.