|Which of the following statements is/are correct?
|1. The scientists have discovered the world's very first, data storage system - 5500 year old clay balls unearthed in Iran that were used for record-keeping in Mesopotamia.
|2. The clay balls, often called 'envelopes' excavated in the 1960s, were made about 200 years before writing was invented,
|3. The balls were scaled and contain tokens in a variety of geometric shapes, varying from golf-ball-size to baseball-size.
A) Only 2
B) 1 and 2
C) 2 and 3
D) All of these
Correct Answer: D
Solution :[d] The clay balls were created about 5,500 years ago at a time when early cities were flourishing in Mesopotamia. Researchers have long believed these clay balls were used to record economic transactions. That interpretation is based on an analysis of a 3,300-year-old clay ball found at a site in Mesopotamia named Nuzi that had 49 pebbles and a cuneiform text containing a contract commanding a shepherd to care for 49 sheep and goats.
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