Flashcards

Storage devices 2

Henry Lane Business Communications & Systems GCSE English 4 cards

Cards in this deck (4)

1Optical DisksIs a flat circular disk where data is stored in bits or bumps on its surface. Disk is coated with a reflective material and the data is written or read by a read/write head.
Main types are Compact Disks (CD), Digital Versatile Disks (DVD) and blu-ray.
2Compact DisksEarly type of optical disk. Have a maximum capacity of either 650 or 700 megabytes of data. Enough for 80 minutes of music.
CD-ROM: Can't delete or edit
CD-R: Burn data and read only
CD-RW: Can add data and delete data.
3DVDsWork similar to compact disks but are able to store much greater volumes of data.
4Remote storageTransfer data onto the internet

Description: GCSE Business Communications & Systems Flashcards on Storage devices 2 , created by Henry Lane on 18/04/2017.
Created by: Henry Lane
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