perforated tape meaning in Hindi

Examples

1. The screen consisted of 2, 500 strips of one-inch, perforated tape called louvers.
2. This book is intended more for nostalgia buffs than for Net-heads : thereare plenty of pictures of perforated tape and old machines.
3. The message ( in Morse code ) was typed onto a piece of perforated tape using a keyboard-like device called the'Stick Punch '.
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.