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Indicate whether the statement is true or false

TRUE

Computer Science & Information Technology

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From the XML document in Fig. 11.15, answer the following questions.

Fig, 11.15 ``` 1 23 45 6 7 8 15 9 10 11 12 13 14 4800 15 16 17 18 19 20 7000 21 22 23 24 25 26 402.53 27 28 29 30 31 32 10000 33 34 35 36 37 38 3000 39 40 41 42 43 44 400 45 46 47 48 49 50 150 51 52 53 54 55 56 200000 57 58 59 ``` a) What is the XPath expression that selects all transaction elements with attribute date having values between 06/01/2000 and 07/30/2000, inclusive? b) What is the XPath expression that selects all transaction elements that have an amount of U.S. dollars (USD) with a value greater than 200? c) What is the XPath expression that selects all transaction elements from account 100392? d) What is the XPath expression that calculates the total value of transactions in account 203921? e) What is the XPath expression to determine the average amount transferred to account 203921? f) What is the XPath expression that selects all transactions dated 09/03/2000? g) What is the XPath expression that selects all amount elements with a currency of NTD whose transaction date is after 09/01/2000? h) What is the XPath expression to get all transaction elements from part (a) with account value 100392?

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Which of the following statements is false?

a) Most devices in a system are represented by device special files. b) Devices that are controlled by the same major identification number are controlled by the same driver. c) Device classes include character, block and network. d) Device special files are accessed via the virtual file system.

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The ____________________ statement is used to iterate or loop through the elements in an array.

Fill in the blank(s) with the appropriate word(s).

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Consider the class diagram of Exercise 2–9. Note that the Part, Chapter, and Section classes all include a title and a number attribute. Add an abstract class and a generalization relationship to factor out these two attributes into the abstract class.

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Computer Science & Information Technology