WGU : Foundations-of-Computer-Science Questions & Answers

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WGU Foundations-of-Computer-Science Exam Syllabus Topics:

WGU Foundations of Computer Science Sample Questions:

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

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

2. What is the correct way to convert an integer to a string in Python?

A) string(variable)
B) str(variable)
C) int_to_str(variable)
D) tostring(variable)

3. What is an ndarray in Python?

A) An n-dimensional array object provided by the NumPy library.
B) A module that provides network socket functions similar to XML.
C) A native Python object that represents a tree-like hierarchical data structure.
D) A built-in Python data array used to store collections of items.

4. Which aspect is excluded from a NumPy array's structure?

A) The encryption key of the array
B) The shape of the array
C) The data type or dtype pointer
D) The data pointer

5. What Python code would return the value 40 from np_2d, where np_2d = np.array([[1, 2, 3, 4], [10, 20, 30,
40]])?

A) np_2d[3, 1]
B) np_2d[1, 3]
C) np_2d[4, 1]
D) np_2d[0, 4]

Solutions: