Magnetic, Flash and Central Storage Devices (OCR A-Level Computer Science): Flashcards
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Practise the cards
13 cards from this deck
Three main types of storage technologies
Three main types of storage technologies
Magnetic, flash, and optical
Most common magnetic storage device
Most common magnetic storage device
Hard disk drive (HDD)
Magnetic storage capacity level
Magnetic storage capacity level
High (up to multiple terabytes)
Magnetic storage cost per GB vs flash
Magnetic storage cost per GB vs flash
Cheaper/lower per gigabyte
Why magnetic storage is less durable
Why magnetic storage is less durable
Contains moving parts
Alternative name for flash storage
Alternative name for flash storage
Solid-state storage
Three common flash storage devices
Three common flash storage devices
SSD, USB flash drives, memory cards
Flash storage speed characteristic
Flash storage speed characteristic
Fast/high read/write speeds
Why flash storage is highly durable
Why flash storage is highly durable
No moving parts
Technology used in optical storage
Technology used in optical storage
Laser technology
Three types of optical storage
Three types of optical storage
CDs, DVDs, and Blu-rays
Optical storage capacity range
Optical storage capacity range
700 MB (CDs) to 50 GB (dual-layer Blu-rays)
Recommended storage for gaming laptop
Recommended storage for gaming laptop
SSD