Types of secondary storage (Edexcel GCSE Computer Science): Quizzes
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13 questions from this quiz
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Practise the questions
13 questions from this quiz
What key property of secondary storage keeps data when the computer is switched off?
What key property of secondary storage keeps data when the computer is switched off?
Non-volatile
What are the three main types of secondary storage?
What are the three main types of secondary storage?
Magnetic, optical, solid-state
In magnetic storage, how are binary 1s and 0s represented?
In magnetic storage, how are binary 1s and 0s represented?
By two different magnetic polarities
What are the spinning circular metal plates in a hard disk drive called?
What are the spinning circular metal plates in a hard disk drive called?
Platters
How is data organized on magnetic hard disk drives?
How is data organized on magnetic hard disk drives?
Along concentric tracks divided into sectors
In optical storage, what does a land represent in binary?
In optical storage, what does a land represent in binary?
1
How is data organized on optical disks like CDs and DVDs?
How is data organized on optical disks like CDs and DVDs?
A single spiral track from centre outward
What component detects light reflection when reading data from optical storage?
What component detects light reflection when reading data from optical storage?
Light sensor
What key feature distinguishes solid-state storage from other types?
What key feature distinguishes solid-state storage from other types?
No moving parts whatsoever
In solid-state storage, how are binary 1s and 0s represented?
In solid-state storage, how are binary 1s and 0s represented?
Full or empty electron pools
What is a key advantage of solid-state storage regarding power?
What is a key advantage of solid-state storage regarding power?
Consumes much less power
Which storage type offers extremely fast data access speeds?
Which storage type offers extremely fast data access speeds?
Solid-state storage
Why do mobile phones use solid-state storage?
Why do mobile phones use solid-state storage?
Handles impacts, low power, fast access