Questions & Answers
Browse all 25 questions from the
Telecommunications Basics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary function of a communication satellite?
-
A
To produce electricity
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B
To orbit the moon
-
C
To relay signals between points on Earth
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D
To clean space debris
2
Which component of a telephone converts sound waves into electrical signals?
-
A
Microphone
-
B
Speaker
-
C
Battery
-
D
Screen
3
What type of signal does a fiber optic cable transmit?
-
A
Sound waves
-
B
Light pulses
-
C
Radio waves
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D
Magnetic fields
4
Who is credited with inventing the telephone in 1876?
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A
Thomas Edison
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B
Nikola Tesla
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C
Alexander Graham Bell
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D
Guglielmo Marconi
5
What does the acronym 'Wi-Fi' stand for in networking?
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A
Wireless Fidelity
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B
Wide Frequency
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C
Web Interface
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D
Wireless Field
6
Which of these devices is used to receive television broadcasts?
-
A
Antenna
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B
Modem
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C
Projector
-
D
Generator
7
In telecommunications, what is a 'band' or 'bandwidth'?
-
A
The price of a phone
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B
The amount of data that can be sent over a connection
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C
The length of a wire
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D
The weight of a satellite
8
Which technology allows mobile phones to connect to the internet?
-
A
Cellular networks
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B
Steam power
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C
Mechanical gears
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D
Paper mail
9
What is the main purpose of a modem?
-
A
To store photos
-
B
To convert signals between digital and analog forms
-
C
To provide power to a computer
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D
To cool down a server
10
Which of these is a form of wireless communication?
-
A
Copper wires
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B
Fiber optics
-
C
Bluetooth
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D
Ethernet cables
11
What is the 'Internet'?
-
A
A single large computer
-
B
A global network of interconnected computers
-
C
A type of website
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D
A software program
12
What is a 'server' in a computer network?
-
A
A computer that provides data to other computers
-
B
A type of monitor
-
C
A piece of furniture
-
D
A printer
13
Which of these is an example of a communication protocol?
-
A
HTTP
-
B
Java
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C
Python
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D
Windows
14
What do radio waves travel through?
-
A
Only water
-
B
Only metal wires
-
C
The air and space
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D
Only solid ground
15
What is an email?
-
A
A physical letter
-
B
A digital message sent over a network
-
C
A video call
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D
A voice recording
16
What is the main advantage of fiber optic cables over copper wires?
-
A
They are cheaper
-
B
They are heavier
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C
They transmit data faster over longer distances
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D
They require more power
17
Which invention used Morse code to send messages over wires?
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A
Telegraph
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B
Television
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C
Smartphone
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D
Radio
18
What is a 'network' in telecommunications?
-
A
A group of connected devices
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B
A type of antenna
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C
A software update
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D
A television channel
19
What does a GPS receiver use to determine location?
-
A
Radio signals from satellites
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B
Phone lines
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C
Underwater cables
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D
The internet only
20
Which device sends a signal from your computer to the internet service provider?
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A
Router
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B
Hard drive
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C
Mouse
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D
Keyboard
21
What is 'Bluetooth' primarily used for?
-
A
Connecting short-range wireless devices
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B
Sending signals to the moon
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C
Powering large appliances
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D
Heating a room
22
What is the role of an Internet Service Provider (ISP)?
-
A
To build computer hardware
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B
To sell computers
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C
To provide access to the internet
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D
To write code for websites
23
Which electromagnetic radiation is used for television and radio signals?
-
A
Radio waves
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B
Gamma rays
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C
X-rays
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D
Visible light
24
What is an 'app' on a smartphone?
-
A
A software application
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B
A hardware component
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C
A battery cell
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D
A charging cable
25
What does 'URL' stand for in web addresses?
-
A
Uniform Resource Locator
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B
Universal Radio Link
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C
Unique Route Location
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D
United Resource List
