How Well Do You Know About Computers?

Wi-Fi is the correct answer because it stands for "Wireless Fidelity." It refers to a wireless networking technology that allows devices to connect to the internet without the need for physical cables. Wi-Fi is commonly used in homes, offices, and public places to provide internet access to multiple devices simultaneously. It enables users to connect their smartphones, laptops, tablets, and other devices to the internet wirelessly, providing convenience and flexibility in accessing online services and information.

The CPU, or Central Processing Unit, is responsible for executing instructions and performing calculations in a computer. It is often referred to as the "brain" of the computer because it carries out all the necessary computations and operations required for the computer to function. The CPU interacts with other hardware components, processes data, and controls the overall operation of the computer system. Without the CPU, the computer would not be able to perform any tasks or function properly.

Spyware is a type of malicious software that secretly monitors and collects information about a user's activities on a computer or device. It can track browsing habits, capture personal information, and transmit it to third parties without the user's consent. Therefore, spyware is the correct answer because it is specifically designed to spy on what the user is doing.

Viruses are malicious software programs that can infect and damage computer systems. They can replicate and spread from one computer to another, causing various issues such as system crashes, data loss, and performance degradation. Viruses can corrupt files, alter system settings, and exploit vulnerabilities in the operating system or other software. Once a computer is infected, the virus can execute its harmful actions, leading to crashes and other detrimental effects on the computer's functionality.

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