Storage Devices (Grade 10 NSC Matric Computer Application Technology): Flashcards
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Storage media vs storage device
Storage media vs storage device
Media=material; device=hardware to read/write data
Smallest unit of data storage
Smallest unit of data storage
Bit (0 or 1)
Number of bits in a byte
Number of bits in a byte
Eight bits
3 key factors for choosing storage devices
3 key factors for choosing storage devices
Capacity, speed, reliability
Max capacity of internal hard drives
Max capacity of internal hard drives
Up to 12 Tb
Non-volatile storage definition
Non-volatile storage definition
Data remains saved when power is off
Max capacity of SD/MicroSD cards
Max capacity of SD/MicroSD cards
Up to 512 Gb
Main advantages of SSDs
Main advantages of SSDs
No moving parts, faster speeds, more reliable
Signs of hard drive failure
Signs of hard drive failure
Slower PC, clicking sounds, frequent freezes/crashes
Drivers definition
Drivers definition
Programmes helping OS communicate with devices