1,774
edits
Changes
Jump to navigation
Jump to search
Line 55:
Line 55: − +
ICT student textbook/Science Technology and Society (view source)
Revision as of 14:12, 7 December 2016
, 14:12, 7 December 2016→Analog and digital technologies
This was the Abacus, first used for representing numbers and performing calculations.
This was the Abacus, first used for representing numbers and performing calculations.
This is an example of an analog device where you move things around to perform calculations.
This is an example of an analog device where you move things around to perform calculations.
{| class="wikitable"
{| class="wikitable"