GCSEComputer ScienceAQARevision Notes8. Memory & StorageSecondary StorageCloud Storage

Cloud Storage (AQA GCSE Computer Science): Revision Note

Exam code: 8525

Updated on 2 August 2024

Cloud Storage

What is cloud storage?

Cloud storage is a term to describe long term (secondary) storage of data that resides in a remote location, accessible only via a wide area network (Internet)
Data is stored on remote servers, typically using magnetic storage (HDD), but increasingly using solid state (SSD)

Advantages	Disadvantages
Reliability - Access data anywhere, any time, from any device	Cost - Typically a monthly/yearly subscription plan
Security - Automatic backups	Availability - No access without an internet connection
Capacity - Endless storage space (cost permitting), uses less space on own device
Collaboration - Multiple people can access the same file at the same time

Worked Example

Data is increasingly being stored ‘in the cloud’

State two advantages of using cloud storage instead of local storage [2]

How to answer this question

A state question worth 2 marks only requires you to identify 2 advantages, they do not require any explanation

Answer

enables user to access their data from more places/devices
enables user to more easily share data with others
cloud storage is automatically backed up by the host

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