tell Write 'T' for true and 'F' for false statements.
Early humans used fruits and vegetables for counting.
In 1454, Johannes Gutenberg a German goldsmith designed an innovative
method of carving wood blocks for printing.
To modernise the growing volume of mails, the service of registered post
was introduced
The telegraph was the first communication instrument that could send
messages through wires via electricity.
Radio is the most popular means of communication in rural areas.
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- True
- False
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