UCSC CMPE 003 - CMPE-003 Final Exam Review (11 pages)

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CMPE-003 Final Exam Review



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CMPE-003 Final Exam Review

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Pages:
11
School:
University of California, Santa Cruz
Course:
Cmpe 003 - Personal Computer Concepts

Unformatted text preview:

CMPE 003 Computer Concepts Final exam Review of Chapters 6 10 12 13 14 Chapter 6 Storage and Multimedia The Facts and More Important Points 1 2 3 LIST THE BENEFITS OF SECONDARY STORAGE a Space b Reliability c Convenience d Economy IDENTIFY AND DESCRIBE STORAGE MEDIA AVAILABLE FOR PERSONAL COMPUTERS a Magnetic disk storage i data represented in magnetic spots 1 magnetized spot 1 generates an electronic impulse 2 non magnetized spot 0 does not generate an electronic impulse b Optical disk storage i data is written with a laser ii read only media iii Write Once Read Many media WORM iv Magneto Optical MO v Compact Disks 1 Compact Disk Read Only Memory CD ROM 2 Compact Disk Recordable CD R 3 Compact Disk Rewritable CD RW vi Digital Versatile Disk 1 Digital Versatile Disk Read Only Memory DVD ROM 2 Writable version of Digital Versatile Disk DVD RAM c Magnetic tape storage i data represented in magnetic spots ii primarily used for backup DIFFERENTIATE AMONG THE PRINCIPAL TYPES OF SECONDARY STORAGE a Diskette i low capacity small files ii portable iii flexible Mylar coated with metallic substance iv hard plastic jacket for protection v 3 inch vi 1 44 MB b High capacity portable disks i larger files ii portable iii 120 200 MB iv zip disk 250 MB c Hard Disk i various sizes 4 ii non portable iii rigid platter coated with metallic substance iv disk pack several platters combined to handle storage needs d Optical disk i laser writes on metallic material spread over the surface of disk ii technology 1 read only media 2 WORM Write Once Read Many media 3 Magneto Optical MO hybrid high volume capacity written multiple times iii Compact Disks CD 1 CD ROM Compact Disk Read Only Memory high capacity portable read multiple times cannot record 2 CD R Compact Disc Recordable high capacity portable write once read multiple times 3 CR RW Compact Disk Rewritable high capacity portable read multiple times record multiple times iv DVD Digital Versatile Disk 1 DVD ROM larger capacity than CD



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