Explanation:
Data bases; interpretation and presentation of data in useful formats by transforming raw data into information, data storage management.
Hardware: helps to get to the physical and tangible part of computer.
Software; helps to access the word processor, spreadsheet's and social media platforms and general operations in a computer.
If you are in war, Wearable Technology would provide Night Vision which would spot Hostile Soldiers in forests or in the dark.
I only know one which is GB. This is used to store data lie files, software updates, pictures and that kind of thing.
