Future Business Leaders of America (FBLA) Agribusiness Practice Test

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What is the function of a modem in computing?

  1. Converts USB data into audio signals

  2. Connects your computer to the internet

  3. Stores files temporarily

  4. Provides power to the computer

The correct answer is: Connects your computer to the internet

The function of a modem in computing is primarily to connect your computer to the internet. A modem acts as a bridge between your local network and your Internet Service Provider (ISP), facilitating the transmission of data over various types of connections, such as DSL, cable, or fiber optics. It modulates and demodulates signals to enable digital data communication over analog infrastructure, which is essential for accessing the internet from your computer or other devices. The other choices, while related to computing, do not accurately describe the modem's role. For example, converting USB data into audio signals pertains more to audio interfaces, while storing files temporarily is a function commonly associated with RAM or cache. Providing power to the computer relates to the power supply unit rather than a modem. This distinction helps clarify the unique purpose of a modem in networking and internet connectivity.

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