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WorksheetsUnderstanding computers
Total questions: 20
Worksheet time: 20mins
Magnetic storage devices have...
Spinning discs that contain tracks and sectors
Floating gates to trap electrons
A read-write head that moves across the magnetic discs
Has pits and lands that represent 0 or 1
Cloud storage is...
actually in the cloud
storage that can be accessed from anywhere using the internet
robust because it has no moving parts
backed up very regularly
'A laser is shone onto the disc and the light is reflected based upon whether it hits a pit or land' describes which storage device?
Cloud storage
Optical storage
Magnetic storage
Solid State storage
Hard Disk Drives are a type of...
Optical storage device
Magnetic storage device
Solid State memory
Primary memory
The 0's and 1's are known as
binary.
computer talk.
code.
the matrix.
Clock Speed is usually measured in...
Mhz
Ghz
Hz
Rhz
