<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>
Answer:
if im right the answer is 1800
Explanation:
Answer:
High mountains between the two cities made land travel difficult and time-consuming.
Explanation:
There is the great mountains of the Himalayas that cut in half the passage by land from Delhi to Dunhuan that´s why there was no land routs for a direct passage from Delhi to Dinhuang, having to climb the mountains or surround them was too difficult and time consuming, that´s why it was easier to go through other route to the east and the going north th Dunhuang.
Answer:
answer is great wall of china
