| 1. | The screen consisted of 2, 500 strips of one-inch, perforated tape called louvers.
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| 2. | This book is intended more for nostalgia buffs than for Net-heads : thereare plenty of pictures of perforated tape and old machines.
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| 3. | The message ( in Morse code ) was typed onto a piece of perforated tape using a keyboard-like device called the'Stick Punch '.
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| 4. | Since perforated tape at the time could record eight bits in one position, it also allowed for a parity bit for error checking if desired.
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मोबाइल