Labels:book | chat room | hakham | laptop | monitor | road | sky OCR: CHAPTER Interactive Summary To review important concepts from this chapter fill in the blanks to best complete each sentence When using the NP2010 BookOnCD or other BookOn product. click the Check Answers buttons to automat tically score your answers SECTION A: Even before recorded history, humans used steam power. He also designed second device called the various aids such as pebbles Engine, which embodied many and notched sticks, to keep track of quantities By 1200 the concepts that define the modern computer In the 1930s calculator, called the abacus had and 1940s several computers were appeared China In Europe popular calculating device developed including the Atanasoff Berry Computer Harvard called Napier's Bones was transformed into the slide rule Mark I, COLOSSUS and ENIAC Most of t ...
