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Pencil and paper, abacus, mechanical calculator, log tables, electronic calculator (or computer), proportional weighing machines.

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Pictures of early computing devices and its inventor?

pictures of calculating devices with their inventors


The earliest calculating devices are?

The china had one with rows wooden round balls on wires, 3 rows of them, 3 balls & 3 balls =6 in the last row, that was add, to subtract it was to the left cool


What are some calculating devices?

Abacus, slide rule, computer, calculator.


Before the 1940's all of the calculating devices were mechanial because why?

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What is semi automatic calculating device?

The devices could do most of the calculation work by itself


What are the earliest calculating device?

The earliest calculating devices include the abacus, which dates back to ancient times and was used by various civilizations, including the Sumerians and Egyptians. Another early device is the tally stick, used for counting and record-keeping. The Antikythera mechanism, an ancient Greek analog computer from around 150-100 BCE, is also notable for its complex gears and ability to predict astronomical positions. These devices laid the groundwork for the development of more sophisticated calculating tools throughout history.


What were the calculating devices before the invention of computer?

The earliest recorded calculating device is the abacus. Used as a simple computing device for performing arithmetic, the abacus most likely appeared first in Babylonia (now Iraq) over 5000 years ago.


What are the types of devices used for calculating and processing data?

The device used for calculating and processing data in a computer system is known as the Central Processing Unit, or CPU for short.


Who are the inventors of calculating devices?

Texas Instruments received the patent - see relevant link below .


4 Explain various storage devices and their characteristics?

Explain various storage devices and their characteristics?


Before 1940s all of the calculating devices were mechanical because why?

because that's all they had but now we have didital ones that are better


Were there any computers before Jesus Christ was even born?

Not as we now know them. There were, however, devices for calculating and then there was the human brain ...