Question

1. Stones, sticks,
pebbles and were used by early men to count.
2.
counting devices were made after early counting devices.
3.
was the first calculating device invented in China to count large numbers,
4. A computer works on the principle of
(IPO) cycle
5. All the physical devices of a computer that we can see and touch are called
6. A
is a camera that helps us to put images into a computer by directly clicking them,​

Answer 1

Answer:

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