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Computer Fundamentals - Engineering

Q1:

The main purpose of the off line device is

A To reduce the no.of operator errors in recording data

B To save computer time

C To save floor space in the computer centre

D All of the above

E None of the above

ANS:B - To save computer time

When a computer or any other device is not turned on / not connected to other devices, it is said to be "offline".

Can this be able to save computer time?

Am I right?