Many RFID (radio-frequency identification) and NFC (near field communication) tags contain no power source of their own and depend on the receiving device to provide the power for data exchange.
Answer the following statement true (T) or false (F)
True
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Which of the following is true about query design?
A. the LIKE operator enhances performance B. it's best to use relative names when referring to database objects C. sorting should be done by the SQL server, not the client application D. subqueries can degrade performance
Which set of statements totals the items in each row of two-dimensional array items, and displays each row’s total?
a. for (int row = 0; row < items.length; row++) { int total = 0; for (int column = 0; column < items[row].length; column++) { total += items[row][column]; System.out.printf("Row %d's total is %d%n", row, total); } b. int total = 0; for (int row = 0; row < items.length; row++) { for (int column = 0; column < items[row].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); } c. int total = 0; for (int row = 0; row < items.length; row++) { for (int column = 0; column < items[column].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); } d. for (int row = 0; row < items.length; row++) { int total = 0; for (int column = 0; column < items[column].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); }
________ statements in VBA work similarly to those found in Access and Excel though the syntax is slightly different
A) FileDialog B) Dim C) With D) If
Which of the following system and security tasks provides a summary of information related to your computer?
a. Action Center b. System c. Administrative Tools d. Windows Log