Computer Basic Information
The main purpose of the off line device is

All of these
None of these
To reduce the no.of operator errors in recording data
To save floor space in the computer centre
To save computer time

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Computer Basic Information
Which of the following is true concerning personal computers?

Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
They have been most successful in the home
None of these
They decrease the demand for mainframe computers
The electronic spreadsheet has been a primary reason for their popularity

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