Which of the following statements is true for a bubble sort structure?
a. There are two for loops, one nested in the other.
b. There is a while loop.
c. There are three for loops, all of them separate.
d. There is a single for loop.
a. There are two for loops, one nested in the other.
Bubble sort is based on two nested for loops.
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Consider the following six relations for an order-processing database application in a company:
CUSTOMER (Cust#, Cname, City) ORDER (Order#, Odate, Cust#, Ord_Amt) ORDER_ITEM (Order#, Item#, Qty) ITEM (Item#, Unit_price) SHIPMENT (Order#, Warehouse#, Ship_date) WAREHOUSE (Warehouse#, City) Here, Ord_Amt refers to total dollar amount of an order; Odate is the date the order was placed; Ship_date is the date an order (or part of an order) is shipped from the warehouse. Assume that an order can be shipped from several warehouses. Specify the foreign keys for this schema, stating any assumptions you make. What other constraints can you think of for this database?
Linux is:
A. an example of open-source software. B. designed for specific machines and specific microprocessors C. the operating system for the Macintosh computer D. especially useful for processing numeric data. E. primarily concerned with the tasks of end users.
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Indicate whether the statement is true or false
A processor must: fetch instruction, interpret instruction, process data, write data, and _________.
Fill in the blank(s) with the appropriate word(s).