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In most application ‘F1’ stand for ?

Which of the following is an example of optical storage device ?

Which of the following can’t be done using e-mail ?

Which of the following is an open source operating system ?

Which is not an output device ?

‘DB’ computer abbreviation usually means ?

The ASCII code of ‘C’ is –

Which of the following is a keyboard command to paste some text in MS Word ?

Which one is an input device ?

which company was the first to introduce laser printer ?