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Question

When was the world's first computer introduced in the market and by whom?

A
Hewlett-Packard,1980
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B
Epson, 1981
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C
Laplink Traveling Software Inc,1982
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D
Tandy Model-200,1985
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Solution

The correct option is B Epson, 1981

Epson, 1981 was the world's first computer introduced in the market and by whom.

The Epson HX-20 (also known as the HC-20) was the first laptop computer. It was invented in July 1980 by Yukio Yokozawa, who worked for Suwa Seikosha, a branch of Japanese company Seiko (now Seiko Epson), receiving a patent for the invention.

The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons.

We could argue that the first computer was the abacus or its descendant, the slide rule, invented by William Oughtred in 1622. But the first computer resembling today's modern machines was the Analytical Engine, a device conceived and designed by British mathematician Charles Babbage between 1833 and 1871.


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