Question

1.
Choose the correct options.
(a)
Which of these statements about the abacus is false?

(b)
(0) It is a mechanical device.
(ii) It was invented in China.
(iii) It involved counting in 0 and 1.
(iv) It contains beads that we can slide for counting.
Who is known as the father of computing?
(1) Blaise Pascal
(ii) Herman Hollerith
(iii) Charles Babbage
(iv) John Mauchly
Which of these devices is a cylinder-shaped piece of metal coated with
a chemical to store data?
(1) Vacuum tubes
(ii) Magnetic drum
(iii) Abacus
(iv) Tabulating machine
​

Answer 1

Answer:

Hi beauty

1. 3
2. 2
3. 3

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