Which electronic device brought revolution in early computers?
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In early computers the I/p and the o/p device were punched cards and paper tapes.
but in 90s the I/p and the o/p device were changed as keyboard and aluminium disk (hard disk) this made such a difference.
but in 90s the I/p and the o/p device were changed as keyboard and aluminium disk (hard disk) this made such a difference.
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