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.
TB: TeraBytes, GB: Gigabytes. There are 1000 gigabytes in a terabyte. 1 TeraByte is equal to 1000 Gigabytes. 1 TB = 1000 GB. Just a few years ago a use of terabyte, a unit for data volume in digital technology, was something exceptional for the specialists. But nowadays operating with such amounts of information as 1 terabyte, or 1012bytes (1 000 bytes), is becoming more and more common.