An old-school mechanical device consisting of sliding rules and scale markers used by engineers to calculate multiplication and trigonometry via logarithmic scales is a: MCQ with Answer and Explanation
An old-school mechanical device consisting of sliding rules and scale markers used by engineers to calculate multiplication and trigonometry via logarithmic scales is a:
A. Abacus Unit
B. Slide Rule
C. Digital Calculator
D. Difference Engine
Answer: Option B
Solution (By JKSSB Mock Tests)
The Slide Rule is an early analog mechanical calculating device that uses physical alignment lengths on logarithmic scales to perform math.
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