How does a saffir put out fires

Consider the following schema for customer: (id, name, street, city, state, zip, phone), in which customers are uniquely determined by their name and phone or by their id. How many super keys are there for this relation? Justify your answer.

Who gave a demonstration of modern computer systems showing a mouse and when?

Joan wants to add a new entry at the bottom of her spreadsheet. what is the shortcut that will take her to the last record on her spreadsheet

How to find the largest files on your pc?

Text line breaks and returns are controlled using which tags? A. B. C. D.

What is the Java source filename extension? What is the Java bytecode filename extension?

What should you do to ensure that records in a table are unique?

What happens if the addressed device does not respond due to a malfunction during a read operation?

What is feed mechanism?

Given a recursive function as below. Predict the output for the inputs given. Show the steps. int X (int n) { if (n==1) return 5; else return n + X (n/2); } Predict the value of X (10), show the steps of finding that out.