Which of the following statements is false?
a. Built-in function reversed returns an iterator that enables you to iterate over a sequence’s values backward.
b. The following list comprehension creates a new list containing the squares of numbers’ values in the same oder as the list:
numbers = [10, 3, 7, 1, 9, 4, 2, 8, 5, 6]
reversed_numbers = [item for item in reversed(numbers)]
c. Built-in function zip enables you to iterate over multiple iterables of data at the same time. The function zip receives as arguments any number of iterables and returns an iterator that produces tuples containing the elements at the same index in each.
d. The following call to zip below produces the tuples ('Bob', 3.5), ('Sue', 4.0) and ('Amanda', 3.75) consisting of the elements at index 0, 1 and 2 of each list, respectively:
names = ['Bob', 'Sue', 'Amanda']
grade_point_averages = [3.5, 4.0, 3.75]
zip(names, grade_point_averages)
b. The following list comprehension creates a new list containing the squares of numbers’ values in the same oder as the list:
numbers = [10, 3, 7, 1, 9, 4, 2, 8, 5, 6]
reversed_numbers = [item for item in reversed(numbers)]
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The function COUNT returns the number of cells that are in the user selected range and have a number as the displayed value
Indicate whether the statement is true or false.
A user's PC will not start. When the technician powers on the computer the video display remains blank and a series of beeps can be heard. Which of the following should the technician do NEXT?
A. Unplug the speaker cable from the motherboard to avoid damaging it. B. Remove all the memory from the motherboard and replace with new modules. C. Check the power supply connector to the motherboard to see that it is seated correctly. D. Find the BIOS version and consult the vendor's documentation to determine the error.