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WorksheetsCh. 6 Electronic Communication
Total questions: 29
Worksheet time: 16mins
The study of the transmission of information or messages through different systems is called
science
mathematics
communications
engineering
The range of wavelengths or frequencies over which electromagnetic radiation extends. Includes radio waves, microwaves, visible light, etc.
color spectrum
electromagnetic spectrum
transmission spectrum
communication spectrum
A system of transmission of sounds, images, texts or data in the form of electronic signals.
Telephone
Telecommunication
Communication
None
Communication over a distance that uses electronic or optoelectronic devices is called ________________.
Biological Communication
Graphic Communication
Wave Communication
Telecommunication
This refers to all forms of communication that move through air, water, and outer space.
Biological Communication
Graphic Communication
Wave Communication
Telecommunication
to send a message. When you hit send or post for a text message.
encode
transmit
decode
electrical signals
information and data that are sent over glass or plastic cables using light.
fiber optic signals
electromagnetic signals
laser
fiber optic cable
Signals that travel through the air without wires. Cell phones use electromagnetic signals to send information.
fiber optic signals
electromagnetic signals
laser
fiber optic cable
How will you give detailed information topeople who can't hear ?
Radio
Calls
Television
Which of the following identifies the primary function of a radio station tower in a communication system?
transmitter
encoder
decoder
receiver
The speed equation for waves is.....
Wavelength x Frequency
Amplitude X Amplitude
Wavelength X Amplitude
Frequency / Frequency
This is a measurement between 2 crests OR 2 troughs
amplitude
wavelength
trough
frequency
The height of a wave is known as its:
mass
crest
resting line
amplitude
3 Major types of Guided Media
Twisted Pair Cable
•Coaxial Cable
•Radio waves
Microwaves
Infrared
Twisted pair cable
Twisted Pair Cable
•Coaxial Cable
•Optical fibre Cable
WHAT CABLE IS THIS
Coaxial Cable
Twisted Pair Cable
Optical fibre Cable
GUESS THE CABLE
Radio waves
Optical Fibre Cable
Coaxial Cable
What type of electromagnetic wave is usually used for transmission and reception among televisions?
a. Radio wave
b. Microwave
c. Infrared
d. X-Ray
What device is used to receive data in the form of radio waves?
a. Antenna
b. Transistor
c. Transmitter
d. Tripod
What can satellites be used for?
Satellites are used to hold the fuel for a rocket
Satellites help with communication around the world.
How dose a telephone work
It converts sound waves into electric signals
It converts electric signals into sound waves
Converts electromagnetic waves into sound waves
Converts sounds into carrier waves
contains a grid of components that works like capacitors.
Lightning conductor
Digital Sensor
CCD / charged coupled device
Capacitor
RFID stands for ___
Radio frequency information
Radio frequency identification
Radar frequency identification
None of the mentioned
This wave is used in long distance communication.
Radiowaves
Microwaves
Infrared Radiation
Visible Light
How many "colors" of visible light is the typical person able to perceive?
All of the colors of visible light
Two
Three
Four
