Cloud Storage (AQA GCSE Computer Science)
Revision Note
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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