Question

which two of the following devices are more likely to use an analog signal today?
older telephones
computers
fm radio
newer electronic devices

Explanation:

1. Analyze each device:

• Older telephones: Traditional older telephones often used analog signals for voice transmission as they relied on continuous voltage variations to carry sound information.
• Computers: Modern computers primarily use digital signals (discrete values like 0s and 1s) for processing and communication, so they are not likely to use analog signals.
• FM radio: FM radio broadcasts and many FM radio receivers still use analog signals. The frequency modulation in FM radio is an analog technique to carry audio information.
• Newer electronic devices: Most newer electronic devices (like smartphones, modern TVs) use digital signals for better quality, storage, and transmission, so they are less likely to use analog signals.

1. Conclusion: Based on the understanding of analog and digital signal usage in these devices, older telephones and FM radio are more likely to use analog signals today.

Answer:

• older telephones
• FM radio