The abacus is the original mechanical counting device. It was likely first used over five thousand years ago, and used beads to keep track of numbers.
The abacus. over 4000
Mechanical ventilation is the use of a mechanical device (machine) to inflate and deflate the lungs.
the cotton grin is a mechanical device that removes the seeds from cotton
The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes
True
The abacus. over 4000
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
napiers bone
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
An abacus.
A mechanical counting machine is a device used to count items or currency accurately and efficiently. It typically consists of rotating gears, levers, and dials that increment with each item counted. These machines were commonly used before the advent of electronic calculators and are still used in some settings for tasks like tallying votes or counting money.
he is remembered because he made the computerhe designed a mechanical one but never made it
Mechanical input device
A mechanical or electronic device that displays the time.
motor
Abacus
abacus