Which of the following are operating systems? Select all that apply.1 pointLinuxSmartphonesAndroidWindows

To determine which options are operating systems, let's analyze each choice:

1. Linux: This is indeed an operating system. It is a free and open-source operating system kernel that is widely used in various distributions.

2. Smartphones: This is not an operating system; rather, it refers to a category of devices that can run various operating systems.

3. Android: This is an operating system based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets.

4. Windows: This is also an operating system developed by Microsoft. It is one of the most widely used operating systems for personal computers and business environments.

Summary of Findings:

• Operating Systems: Linux, Android, Windows
• Not an Operating System: Smartphones

Final Answer:

The operating systems from the choices provided are Linux, Android, and Windows.