'Compact disk read' diaporamas de présentation

Magnetic Disk

Magnetic Disk. Magnetic disks are the foundation of external memory on virtually all computer systems. A disk is a circular platter constructed of nonmagnetic material, called the substrate, coated with a magnetizable material . The substrate has been an aluminum material.

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Secondary Storage Devices: Magnetic Disks

Secondary Storage Devices: Magnetic Disks. Secondary Storage Devices. Two major types of storage devices: Direct Access Storage Devices (DASDs) Magnetic Disks Hard disks (high capacity, low cost per bit) Floppy disks (low capacity, slow, cheap)

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Types Of Storage Device

Types Of Storage Device. LECTURE . 10. Outline. Categorizing Storage Devices Magnetic Storage Devices Optical Storage Devices . Categorizing Storage Devices. Storage devices hold data, even when the computer is turned off.

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GSBUG Hardware Info SIG

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Storing And Retrieving Information

Storing And Retrieving Information. Mass Storage and Files. Programs and information (text, image, audio, video) are stored: Magnetic Magnetic Tape Magnetic Disk USB Optical DVD CD-ROM CD-R CD-RW. Other USB FLASH MO Solid State Drives. Computer Files. Hard Disks.

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Storage Devices and Media

Storage Devices and Media. Objectives Understand the difference between internal memory & backing storage Be able to identify different types of storage devices & media Identify the uses, advantages & disadvantages of different types of storage devices & media.

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COMPUTER MEMORY & DATA STORAGE

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Computers

Computers. Description and picture of a computer Katie Cothran Codrington School. Labeled picture . Picture taken in class. Labels made by peers. Picture inserted by K atie Cothran . Parts of the computer-descriptions:. MOTHERBOARD. Mother board : Web definitions

246 views • 9 slides