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WGU Foundations of Computer Science Sample Questions:

1. Which line of code below contains an error in the use of NumPy?

A) print(wgu_list)
B) wgu_list = np.quicksort(arr)
C) import numpy as np
D) arr = np.array([3, 2, 0, 1])

2. Which is the most powerful command line interface on Windows systems?

A) Task Manager
B) Control Panel
C) PowerShell
D) Command Prompt

3. What happens if one element of a NumPy array is changed to a string?

A) The array becomes a list of the original integers.
B) The operation is not allowed and raises an error.
C) All elements in the array are coerced to integers.
D) All elements in the array are coerced to strings.

4. Which statement describes the data type restriction found in most NumPy arrays?

A) NumPy arrays can only hold integer data types.
B) NumPy arrays must be of the same type of data.
C) NumPy arrays are restricted to string data types only.
D) NumPy arrays adapt to the most complex data type on the fly.

5. How is a NumPy array named data with 6 elements reshaped into a 2x3 array?

A) data_reshape[2, 3]
B) data.set_shape(2, 3)
C) np_reshape(list, (2, 3))
D) np.reshape(data, (2, 3))

Solutions: