The National Research Council (2002) associates the indicators of self-management (self-control, perseverance, stress management and goal-setting) with personal and social assets that facilitate positive youth development in the area of psychological and emotional development.
A Petabyte is approximately 1,000 Terabytes or one million Gigabytes. It's hard to visualize what a Petabyte could hold. 1 Petabyte could hold approximately 20 million 4-door filing cabinets full of text. It could hold 500 billion pages of standard printed text.
The definition of a terabyte is 1,024 gigabytes; however many people think of it as 1,000 gigabytes. The definition of a petabyte is 1,024 terabyte; however many people think of it as 1,000 terabytes. The definition of a exabyte is 1,024 petabyte; however many people think of it as 1,000 exabytes.