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TECHNOLOGY
Data Storage Devices
USB Flash Drive
Tiny devices sparked a massive shift in data portability and storage capacity
3 days ago
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What is the main trade-off involved in using USB flash drives compared to traditional storage media?
They provide unlimited write/erase cycles but are bulky and heavy compared to optical discs.
They offer high portability and rewritability but have a limited number of write/erase cycles affecting lifespan.
They are less portable than optical discs but have a longer lifespan due to their size.
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PistonHeads
Cars, cars and cars
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TECHNOLOGY
Data Storage Devices
Hard Disk Drive
Hard disk drives store data on rapidly spinning magnetic platters accessed by precision actuator arms
7 Feb 2026
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What key mechanism allows a hard disk drive to access data in any order?
The moving actuator arm positions magnetic heads to read/write data randomly on spinning platters
Data is accessed sequentially as the platters spin without moving heads
Data is stored electrically on chips without any moving parts
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