| (1) In factories or labs, robots can be used for doing dangerous tasks. |
| (2) Most of the big companies keeps manual records for employees, their salaries, etc. |
| (3) Invoices are prepared by computers. |
A) Only (2)
B) Both (1) and (3)
C) Both (2) and (3)
D) All of these
Correct Answer: A
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