What result would be generated by the formula =10*2-3*2?
A) -20 B) 14 C) -2 D) 34
B
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What is output by the following Java code segment?
``` int temp = 180; if (temp > 90) { System.out.println("This porridge is too hot."); // cool down temp = temp – (temp > 150 ? 100 : 20); } else { if (temp < 70) { System.out.println("This porridge is too cold."); // warm up temp = temp + (temp < 50 ? 30 : 20); } } if (temp == 80) { System.out.println("This porridge is just right!"); } ``` a. This porridge is too hot. b. This porridge is too cold. This porridge is just right! c. This porridge is just right! d. None of the above.
Which of the following are events that a programmer would want to throw an exception to manage?
a) A power failure (presumably in the absence of a UPS -- an Uninterruptable Power Supply). b) A user enters a name too long for the C-string buffer, threatening a buffer overflow. c) A disk drive fails d) Operator new fails to find sufficient memory in the free store to satisfy a call. e) Someone inadvertently presses the reset button on the front of the machine.
What can be constructed by choosing two or more data items and combining them?
A) a primary key B) an attribute C) a secondary key D) an entity E) a concatenated key
Clip art are images included with Microsoft ________
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