Question

write short notes on :

1. Pascal's adding machine
2. napier's bone

please answer these questions​

Answer 1

Answer:

1. In 1692 Blaise Pascal a Frenchman invented the calculating machine called Pascaline. The machine was made up of gears and was used for adding numbers quickly. He was credited for building the first mechanical calculating machine. The design of his machine was ahead of its time.
2. Napier's bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. ... The complete device usually includes a base board with a rim; the user places Napier's rods inside the rim to conduct multiplication or division

Explanation:

please mark my ans as brainliest please

Answer 2

Answer:

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Dear editor

Article by Gopalan and Misra (1) is very informative and covers the current challenges arising due to COVID-19. Further, authors has attempted to explore the various socio-economic and medical aspects affected during this COVID-19 pandemic. It starts with the economic issues, social impacts, cultural influences, and the health related national programs which are regularly getting impacted owing to the ongoing epidemic. The paper throws light on how the pandemic has strongly affected the jobs, businesses, transportation, travel, and other sectors which ultimately influence the social-economic balance of the society. This has further led to the decrease in the GDP of the country. The daily wagers and the local business personnel are the most affected ones during this period.

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