BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A machine that makes calculations
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An electronic device that makes calculations
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A person that make calculation
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A device with sliding beads used for making calculations
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Detailed explanation-1: -The term “computer", in use from the early 17th century (the first known written reference dates from 1613), meant “one who computes": a person performing mathematical calculations, before electronic computers became commercially available.
Detailed explanation-2: -John Napier introduced a system called “Napier’s Bones, ” made from horn, bone or ivory the device allowed the capability of multiplying by adding numbers and dividing by subtracting. Tito Burattini was born on March 8, 1617.
Detailed explanation-3: -Definition of a Computer-before 1935, a computer was a person who performed arithmetic calculations. Between 1935 and 1945 the definition referred to a machine, rather than a person.
Detailed explanation-4: -Computer once meant a person who did computations, but now the term almost universally refers to automated electronic machinery.
Detailed explanation-5: -Turing himself referred to computers (in the modern sense) as ‘Practical Universal Computing Machines’.