Select the INCORRECT operating system used in computers and laptops.

Correct option is B

Correct Answer: (b) Android
Explanation:

• Android is not used as a primary operating system in computers or laptops; it is mainly designed for mobile phones, tablets, smart TVs, and IoT devices.

• Windows, Unix, and Linux are standard OS options for desktops and laptops.
Information Booster:

• Android is based on the Linux kernel, but its interface and architecture are optimized for touch-based mobile devices.

• Desktop/laptop OS require full file-system control, advanced drivers, and multi-window support, which Android does not natively provide.
Additional Knowledge:

• (a) Windows – Most widely used OS for personal computers; versions include Windows 10, 11.

• (c) Unix – A powerful multiuser OS used in servers, research systems, and some workstation computers.

• (d) Linux – Open-source OS widely used in desktops, servers, cybersecurity systems, and programming environments.