Mastery Unit 1

Which operating system is primarily developed by Microsoft?

• macOS

• Linux

• Windows

• ChromeOS

What should be the first step in the systematic troubleshooting approach for a non-responsive peripheral (like a mouse or keyboard)?

• Uninstalling the device driver

• Checking the physical connection

• Restarting the operating system

• Searching online forums

What is the primary reason for regularly updating your operating system and software?

• To make the interface look newer

• To increase the size of the hard drive

• To patch security vulnerabilities

• To change the wallpaper

What is the primary purpose of ransomware?

• To make your computer run faster

• To display annoying pop-up ads

• To encrypt a victim's files and demand payment for their release

• To track your browsing history secretly

Which operating system is exclusively designed to run on Apple hardware (Mac computers)?

• Windows

• Linux

• macOS

• Android

If your computer screen is completely black, but the power light is on, what is the most basic physical connection you should check first?

• Ethernet cable

• USB cable

• Video cable (HDMI/DisplayPort/VGA)

• Speaker cable

A device driver is a piece of software that allows the operating system to:

• Play games

• Communicate with a specific hardware device

• Connect to the internet

• Check for viruses

Which type of malware often disguises itself as a legitimate or useful program to trick the user into installing it?

• Virus

• Trojan Horse

• Worm

• Rootkit

ChromeOS is primarily based on which type of application?

• Desktop applications

• Mobile applications

• Web applications/Browser

• Command-line interface

The acronym 'POST' in the troubleshooting context stands for:

• Power Operating System Test

• Program Organization System Task

• Power-On Self-Test

• Protocol Of System Transfer