7290931
Description
Flashcards by Shelby Hartsell, updated more than 1 year ago
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Created by Shelby Hartsell
almost 8 years ago
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| Question | Answer |
| What is a hard drive? | nonvolatile devices that store data |
| HDD | Hard Disk Drive (magnetic-based) |
| SSD | Solid-state drive (flash based) |
| SATA | Serial ATA uses a 15 pin power connection and 7 pin data connection |
| What does RAID stand for? | Redundant Array of Independent Disks |
| RAID 0 | Striping |
| RAID 1 | mirroring |
| RAID 5 | striping with parity |
| RAID 10 | mirrored sets in a striped set |
| RAID 0 | not fault tolerant |
| What is disk duplexing? | when RAID 1 uses two disk controllers |
| What uses removable media to store and retrieve data? | Optical Disc |
| How much can a CD-ROM hold? | 700 MB |
| How fast can a CD-ROM read and write? | 7.8Mb/s |
| How fast can a CD-ROM rewrite? | 4.8Mb/s |
| How much can a DVD-ROM store? | ranging from 4.7 GB (DVD-5) to 17 GB (DVD-18 dual-sided and dual-layered |
| What recording technologies are included in a DVD-ROM? | DVD R+, DVD-R, DVD+RW and DVD-RW |
| What are Blu-ray discs used for? | HD and games |
| How much capacity does Blu-ray have? | 25 to 128 GB |
| What is the write speed of Blu-ray? | 1x to 16x (36 Mb/s to 576 Mb/s) |
| What does Solid-state media include | solid-state hard drives (SSDs), USB flash drives, CompactFlash and Secure Digital (SD) cards |
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