A variable that will be used to contain only whole numbers should be declared as a(n) ____ data type.
A. Decimal
B. Double
C. Integer
D. Single
Answer: C
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Which of the following statements is false?
a. Usually, you iterate over a tuple’s elements. b. Like list indices, tuple indices start at 0. c. The following code creates time_tuple representing an hour, minute and second, displays the tuple, then uses its elements to calculate the number of seconds since midnight: In [1]: time_tuple = (9, 16, 1) In [2]: time_tuple Out[2]: (9, 16, 1) In [3]: time_tuple[0] * 3600 + time_tuple[1] * 60 + time_tuple[2] Out[3]: 33361 d. Assigning a value to a tuple element causes a TypeError.
The ____ attribute of the Property inspector specifies the background color for selected cells.
A. Bg B. Brdr C. Bgd D. Color
List and describe the three main examples of wireless communications technologies described in the chapter.
What will be an ideal response?
Which of the following is correct?
A .25 = (2 x 102) + (5 x 101) B. 289 = (2 x 103) + (8 x 101) + (9 x 100) C. 7523 = (7 x 103) + (5 x 102) + (2 x 101) + (3 x 100) D. 0.628 = (6 x 10-3) + (2 x 10-2) + (8 x 10-1)