Question: Draw *Entity Relationship* diagram that includes 3 devices. *User system:* 1- user can choose items with the quantity. 2- then swipe his ID card. 3-

Draw *Entity Relationship* diagram that includes 3 devices.
*User system:*
1- user can choose items with the quantity.
2- then swipe his ID card.
3- the request will be send to the admin system.
*Admin system:*
1-register the request with the user ID& items& quantity.
The Admin System receives the request from the User System and registers it in the Request Management Interface, keeping a record of all requests made by users. This system ensures that only authorized users can make purchases, and that the admin system has a record of all the requests made by the users.

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