2026 Valid Foundations-of-Computer-Science Real Exam Questions (Updated) 100% Dumps & Practice Exam [Q12-Q29]

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2026 Valid Foundations-of-Computer-Science Real Exam Questions (Updated) 100% Dumps & Practice Exam

[UPDATED 2026] WGU Foundations-of-Computer-Science Questions Prepare with Free Demo of PDF

QUESTION 12
Which line of code below contains an error in the use of NumPy?

wgu_list = np.quicksort(arr)

print(wgu_list)

import numpy as np

arr = np.array([3, 2, 0, 1])

QUESTION 13
What is the time complexity of a binary search algorithm?

O(n^2)

O(n)

O(2^n)

O(log n)

QUESTION 14
What is the name of the tool that can allow a device to run more than one operating system at a time as virtual machines?

Bootloader

Partition Manager

System Restore

Hypervisor

QUESTION 15
What code would print a subarray of the first 5 elements in numpy_array?

print(numpy_array[1:5])

print(numpy_array.get(0, 5))

print(numpy_array[:5])

print(numpy_array.get(5, 1))

QUESTION 16
What is the layer of programming between the operating system and the hardware that allows the operating system to interact with it in a more independent and generalized manner?

The hardware abstraction layer

The boot loader layer

The task scheduler layer

The file system layer

QUESTION 17
Which type of files are meant to be inaccessible to standard users, but can be critical in terms of functionality?

Extension files

Log files

System files

Backup files

QUESTION 18
How is a NumPy array named data with 6 elements reshaped into a 2×3 array?

np.reshape(data, (2, 3))

np_reshape(list, (2, 3))

data.set_shape(2, 3)

data_reshape[2, 3]

QUESTION 19
What is the output of print(employees[3]) when employees = [“Anika”, “Omar”, “Li”, “Alex”]?

“Omar”

“Alex”

“Anika”

“Li”

QUESTION 20
Which Windows 11 tool enables a user to manually add a Bluetooth device if it does not automatically configure when first connected?

Network center

Task scheduler

Windows defender

Device manager

QUESTION 21
What is the time complexity of a quicksort algorithm?

O(n)

O(n log n)

O(log n)

O(1)

QUESTION 22
What is the purpose of user management and access control in a networked environment?

To ensure all users have the same level of access to resources

To establish permissions and monitor resource usage

To provide unlimited access to all network resources

To restrict all users from accessing confidential documents

QUESTION 23
How is the NumPy package imported into a Python session?

import num_py

import numpy as np

using numpy

include numpy

QUESTION 24
Which character is used to indicate a range of values to be sliced into a new list?

“,”

“+”

“=”

“:”

QUESTION 25
How does the data type of a variable get set in Python?

It is explicitly declared by the programmer.

It is chosen randomly.

It is always set to string by default.

It is determined by the value assigned to it.

QUESTION 26
What type of encryption is provided by encryption utilities built into the file system?

Encryption in motion

Encryption authentication

Encryption at rest

Encryption steganography

QUESTION 27
What is the name of the tool that can allow a device to run more than one operating system at a time as virtual machines?

System Restore

Partition Manager

Hypervisor

Bootloader

QUESTION 28
m = 30
n = 30
What will be the output of print(id(m), id(n)) after executing the following code?

Two identical numbers

Two different numbers

0 0

Error

QUESTION 29
Which type of sorting algorithm starts at the first position and moves the pointer until the end of the list, determining the lowest value?

Selection sort

Incremental sort

Progressive sort

Pointer sort