Please enable JavaScript.
Coggle requires JavaScript to display documents.
GCSE ICT- Storage and Test Data - Coggle Diagram
GCSE ICT- Storage and Test Data
Physical Storage
USB Sticks
It is External
Advantages: You can take it anywhere you go.
Disadvantages: Quite small so you can easily lose them
Logical Storage: The Cloud
Disadvantages: Only can be accessed with the internet.
Advantages: Access it anywhere on any device!
Portable Hard Drive
It is External
Disadvantages: You can damage it easily.
Advantages: You can take it anywhere and it stores a lot of data.
Hard Drive
It is Internal
Advantages: It is already built in
Disadvantages: You can't take it with you places.
CD/DVD and Blu Ray
Disadvantages: Just a scratch could break it and limited storage
Advantages: Store music and films efficiently.
The cloud is a way to store and interact with data through the internet.
Test Data
Extreme data is data that is on the border of what is valid and invalid
Valid data is data that is correct and fits inside a certain bracket eg. 1 and 20. Valid could be 3 and 18
Invalid data is data that is not correct and does not fit in the bracket of numbers eg. 1 and 20. 21 and -3 are invalid
