Once you have installed the hard drive one of the most important things you can do is to defragment it, which eliminates needed old small bits of information from the drive.
The area of the banner in cm squared is 400x 85 or 34000 sq cm but a less cumbersome number is 400cm = 4m (100 cm to 1 metre) and 85 cm = 0.85m so 4m x 0.85m= 3.4 sq metres for the area of the banner in manageable units.
Woodville Latham and his two sons, Otway and Grey demonstrated the first movie projector in the US
It refers to a massive amount of data that keeps on growing exponentially with time. It is so voluminous that it cannot be processed or analyzed using conventional data processing techniques. It includes data mining, data storage, data analysis, data sharing, and data visualization.