What is the name of a calculating machine that originally consisted of beans or stones moved in grooves in sand or on tablets of wood, stone, or metal?
The ans is - ABACUS
A QR, or quick response, barcode is a machine-readable label, and encodes virtually any type of data including the standardised modes of alphanumeric, binary, numeric and what other kind?
What is a name for a type of private club in city outskirts or rural areas that usually offers a variety of recreational sports facilities such as golf, tennis, swimming and polo?
