<u>On February 14, 1946</u> at University of Pennsilvania, John Mauchly and J. Presper Eckert unveiled ENIAC, that ocuppied 1,000 square feet, weighed 30 tons and, used about 18,000 vacuum tubes. Thirty five years later,<u> on August 12, 1981</u> IBM announced the first IBM PC, formally known as the IBM Model 5150, was based on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system. <em><u>IBM revolutionized business computing and this computer was immediately successful, because it was advertised as a personal computer for everybody, because it was small and affordable for medium-income families.</u></em>
Explanation:
a chemical reaction can be sped up by many factors add a catalyst a substance that reduces activation energy speeding up the reaction increase the concentration of reactants increase the concentration of catalyst .
Answer:
Capitalism is an economic system characterised by:
Lack of government intervention
Means of production owned by private firms.
Goods and services distributed according to price mechanism (as opposed to government price controls)
pros-cons-capitalism
True, it is a Greek city -state located primarily in the present-day region of southern Greece called Laconia.
