Communication Technology

Can people decode simple digital signals?

• No, digital signals are too complex for anyone to decode.

• Yes, people can decode simple digital signals.

• No, only machines can decode digital signals.

• Yes, but only if they are trained professionals.

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NGSS.MS-PS4-3

How does the storage of information differ between analog and digital forms?

• Digital storage is less efficient than analog storage in preserving data.

• Analog storage uses continuous signals, while digital storage uses discrete binary values.

• Analog storage uses binary values, while digital storage uses continuous signals.

• Both analog and digital storage use continuous signals for information.

Tags

NGSS.MS-PS4-3

Which communication device uses circuits and electromagnetic waves?

• Cell phone

• Radio

• Both

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

A device that converts (changes) a voice or image into a signal that can be transmitted.

• Encoder

• Component

• Signal

• System

Tags

NGSS.MS-PS4-3

A device that sends the encoded signal over a specific communication channel. This channel is the path over which the message must travel to get from the sender to the receiver.

• Transmitter

• Encoder

• Component

• Signal

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which is not a type of communication technology?

• Cell phone

• Satelite dish

• Laptop

• Home phone

Tags

NGSS.MS-PS4-3

Which is not an example of storage in a communication device?

• Flash drive

• Voicemail

• The Cloud

• An app

Wi-Fi is an example of which part of a communication system?

• A reciever

• A transmitter

• An encoder

• A decoder

Tags

NGSS.MS-PS4-2

device that takes a signal and converts it to a code

• receiver

• decoder

• destination

• encoder

Tags

NGSS.MS-PS4-3

What is the primary function of a modem in communication technology?

• To encode data into signals for transmission

• To decode signals into data for reception

• To amplify signals for long-distance transmission

• To store data temporarily

Tags

NGSS.MS-PS4-3