Answer:
The correct option is;
A) Device manufacturers store the initial file-system data structures in the device.
Explanation:
Before a storage device can be used for data storage, it is required to prepare the device for use and to make the device to become visible to the operating system by formatting of the device
New storage devices are not pre-formatted or come with a ready to use file system as there are different file systems specifically designed for particular operating systems or operating environment.
Formatting creates partitions, makes the hard drive visible to the operating system and creates a file system that is new such that the storage device can be used for storing files.
The game play of the clash of clans and candy crush saga are video games that exploit the real world–digital world convergence by building huge personal-rewards psychology for players.<span>The Candy Crush game app exploits some well known weaknesses in the human brain to keep us playing</span>
Explanation:
The precision in double values is twice as compared to float values.Hence double have smaller rounding errors as compared to float variables .A double is of 64 bits and float is of 32 bits usually hence floats have more rounding errors and on more number than doubles.Double has 15 decimal digits of precision and float has only 7 decimal digits for precision.