Communication and Technology Quiz

A signal, such as a phone call, that is sent to a communications satellite by radio waves is called a/an .

• Uplink

• Downlink

What is a code in which letters are represented by a combination of short and long signals with light or sound?

• Binary code

• Morse code

• Bar code

• QR code

______ can be used to transmit information.

• Heat

• Patterns

• Senses

• Digital

Select all of the answer choices that demonstrate energy being transferred by sound.

What is a code in which letters are represented by a combination of short and long signals with light or sound?

• Binary code

• Morse code

• Bar code

• QR code

Which of the following was not used to transmit information using Morse Code?

• A telegraph

• A flashlight

• Pencil and paper

• A sundial

Communication satellites use ______ sent by a transmitting station to transmit signals over long distances.

• Microwaves

• Polar waves

• Light

• Radio waves

What type of waves are commonly used in wireless communication?

• Sound waves

• Microwave

• Heat waves

• X-rays

In digital communication, what is the smallest unit of data?

• Byte

• Bit

• Kilobyte

• Megabyte

Which device converts analog signals into digital signals for transmission?

• Modem

• Router

• Antenna

• Transmitter