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Puja Sharma from dav, auraiya

Subject :ICSO Class : Class 8

what is punch code

Ans 1:

B G Karshana from Vidhya Niketan Public School, Coimbatore, Coimbatore

Class : Class 9

piece of stiff paper that can be used to contain digital information represented by the presence or absence of holes in predefined positions

sparshgumasta from kvseoni, Seoni

Class : Class 8

Pdf files language used to generate such codes