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RBK Doubt Sessions for IGCSE

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Everybody can put doubts over here
DEEP, RISHABH, DIVESH, KARTAVYA and all others of RBK can post...
I want everybody's co-operation please...
 
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Hey! i hav some doubts of biology. plz. clear it someone
These are really challenging... so plz. see the uploaded document
 

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  • BIO DOUBTS.docx
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1. A car showroom buys a computer with database software. The employees in the office will use it to keep records of the showroom’s customers and cars.
(a) In the customer database, records can be searched to find particular customers. Give two other features which would be included in the database software
 
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A software package which allows a computer to automatically manufacture goods from drawings is called _____________.
 
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A customer in a bookshop buys a book using debit card.

Information about the book and the customer's bank account is input using the shop's EFTPOS( Electronic fund transfer Point of Sale) terminal. Checks are made on this input data.

Describe how the bookshop's computer and the customer's bank computer deals with the transaction.

Include in your answer descriptions of the input data and the checks which are performed.

This is a 6 mark answer so plz. answer it properly>>>>>>>>>>>>
 
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