COMPUTER FUNDAMENTALS

Detailed explanation-1: -It was a model that was popular among engineers, scientists and students at the time. No modifications were needed for use in space. This rule was used by the crew of Apollo 13, in April 1970.

Detailed explanation-2: -Peter Mark Roget (1779–1869) studied medicine at Edinburgh University. In 1814, he invented a slide rule to calculate the roots and powers of numbers. It became the basis of slide rules that were common currency in schools and universities until the age of the calculator.

Detailed explanation-3: -Slide rules became increasingly popular in the 1950s and 1960s, before beginning to fall out of favor to pocket calculators, which, by the mid 1970s, had become affordable and were considered significantly easier to use by the masses. The last slide rule manufactured in the United States was produced on July 11, 1976.