History of Computer’s Lower Ground Fortune Mall, behind Maharashtra bank, Sitabuldi, Nagpur 9975288300
History of Computer’s The Development of the Computer
The abacus shown in Figure 1.1,
The Abacus
Figure 1.1
The First Computers were invented by the Chinese about 2500 years ago
The word Abacus is derived from the Greek word ‘abax’ which means ‘tabular form. It was said to be invented in ancient Babylon between 300 to 500 bc. Abacus was the first counting machine "abax"
CHINESS ABACUS
Some aspects of abacus designs are similar (such as the Roman and Chinese abacuses), but it is difficult to say whether the technology traveled from one place to another or it developed independently.
ROMAN ABACUS
Roman and Chinese abacuses
The Chinese used it to add, subtract, multiply, and divide. (Find by archeological department) BY
FOUND
The earliest known calculating device
is probably the abacus. It dates back at least to 1100 BCE and is still in use today, particularly in Asia. Now, it typically consists of a rectangular frame with thin parallel rods strung with beads.
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