1,774
edits
Changes
From Open Educational Resources
ICT student textbook/Science Technology and Society (view source)
Revision as of 12:15, 7 December 2016
, 12:15, 7 December 2016→Analog and digital technologies
Such a device is called an [[wikipedia:Analog_computer|analog computer.]]
Such a device is called an [[wikipedia:Analog_computer|analog computer.]]
Can you guess what these two images are? The one on the left is called the Abacus which was used to perform calculations with numbers by moving the beads. The one on the right is called the Antikythera machine which was used in Greece to calculate the positions of astronomical objects.
Can you guess what these two images are? The one on the left is called the Abacus which was used to perform calculations with numbers by moving the beads. The one on the right is called the Antikythera machine which was used in Greece to calculate the positions of astronomical objects.
{| class="wikitable"
{| class="wikitable"
