International Computer Science Olympiad Forum By SOF Olympiad Trainer - Page 115
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Dhanshree Lulla from Avant grade public school , Paratwada
Subject :ICSO    Class : Class 4

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Deepak Iyer from HFS Powai, Mumbai
Subject :ICSO    Class : Class 5

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Srikar from MLZS, Bengaluru
Class : Class 7
reply

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :ICSO    Class : Class 4

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :ICSO    Class : Class 4

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Vaibhav from The Millennium School , Dubai
Class : Class 8
The answer is (D) which is Punch Cards . If you want explanation please refer below: Herman Hollerith created the Tabulating Machine in which the main part is Punch Cards . If you want more details about the Tabulating Machine please search on Google . THANK YOU FOR READING MY ANSWER .

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :ICSO    Class : Class 4

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Divij Chaudhry from SFHS, Chandigarh
Class : Class 4
A

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ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer of this question please

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Vinolin Jessica from Phoenix Greens International School, Hyderabad
Subject :ICSO    Class : Class 3

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Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is C.

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Aarohan Srivastav from ,
Subject :ICSO    Class : Class 1

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Aarohan Srivastav from ,
Subject :ICSO    Class : Class 1

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Aarohan Srivastav from ,
Subject :ICSO    Class : Class 1

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Aarohan Srivastav from ,
Subject :ICSO    Class : Class 1

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