1.

a scratch program that ask user to enter food items if the user enters the food name two times it should dispaly a message

Answer»

Explanation:

computing, scratch input is an acoustic-based method of Human-Computer Interaction (HCI) that TAKES advantage of the characteristic sound PRODUCED when a FINGER nail or other object is DRAGGED over a surface, such as a table or wall. ... However, specialized MICROPHONES can digitize the sounds for interactive purposes.



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