The word agriculture is a late Middle English adaptation of Latin agricultÅ«ra, from ager, field, and cultÅ«ra,  cultivation  or growing. Agriculture usually refers to human activities, although it is also observed in certain species of ant, termite and ambrosia beetle.ntil the Industrial Revolution, the vast majority of the human population labored in agriculture. Pre-industrial agriculture was typically subsistence agriculture / self-sufficiency in which farmers raised most of their crops for their own consumption instead of cash crops for trade.
Part of the Multimedia and graphics glossary: Screen printing, also known as serigraphy, is a method of creating an image on paper, fabric or some other object by pressing ink through a screen with areas blocked off by a stencil.
In essence, whatever was currently on the screen when the key was pressed will be printed. Pressing the. key in combination with. turns on and off the printer echo feature. When echo is in effect, any conventional text output to the screen will be copied (echoed) to the printer. There is also a Unicode character for print screen, U+2399 â print screen symbol.