WorksheetsGRADE 09 EXAM
Total questions: 50
Worksheet time: 30mins
What does IoT stand for?
Which of the following is an example of an IoT device?
Typewriter
Smartwatch
Bicycle
CD player
What is the main purpose of IoT?
To play music
To create videos
To connect and exchange data between devices
To store large files
Which technology enables IoT devices to communicate?
Wi-Fi
DVD
USB
CD-ROM
Which of the following is NOT a benefit of IoT?
Remote control of devices
Better decision making
Data collection
Manual paperwork
Smart refrigerators that notify you when you run out of milk are examples of:
Artificial Intelligence
IoT
Blockchain
Augmented Reality
IoT devices often include which of the following?
Sensors
Bricks
Wires only
Tires
What is a common risk associated with IoT?
Data security
Lack of electricity
Physical theft
Loud sounds
Which industry uses IoT for smart farming?
Education
Agriculture
Fashion
Retail
IoT in smart cities can help with:
Making bricks
Organizing concerts
Managing traffic and energy
Building pyramids
Which of the following is a wearable IoT device?
Backpack
Smart glasses
Jeans
Cap
IoT devices mostly require:
A chalkboard
Internet connection
A hammer
A vacuum cleaner
Which of the following allows IoT to control home lighting remotely?
Smart switch
Light bulb
Socket
Curtain
IoT systems usually include:
Wood and stone
Sensors and networks
Speakers and screens
Paint and brushes
A smartwatch that tracks your steps is an example of:
Gaming tool
Entertainment device
IoT wearable
Jewelry
Which field uses IoT for patient monitoring?
Law
Medicine
Sports
Cooking
IoT can improve:
Energy waste
Traffic congestion
Water pollution
Internet cost
Which of the following is not needed for IoT to function?
Sensor
Network
Fuel
Cloud storage
IoT helps industries become more:
Noisy
Automatic
Expensive
Manual
What is Blockchain?
A video game
A chain used for climbing
A digital record-keeping system
A type of mobile phone
Blockchain stores data in:
Paper sheets
Blocks
Tables
Charts
Which of the following is true about Blockchain?
It can be easily changed
It is centralized
It is highly secure
It uses paper records
Blockchain is most known for being used in:
Social media
Cryptocurrencies
Farming
Movies
A blockchain is resistant to:
Light
Electricity
Data modification
Music
Blockchain is considered:
Transparent and trustworthy
Invisible and imaginary
Old and unreliable
A blockchain is resistant to:
Light
Electricity
Data modification
Music
Blockchain is considered:
Transparent and trustworthy
Invisible and imaginary
Old and unreliable
Dangerous
Which of the following is NOT a benefit of Blockchain?
Transparency
Security
Paper use
Decentralization
Who can add a block in a public blockchain?
Only teachers
Only bank managers
Anyone on the network
Only the government
Blockchain prevents data tampering by using:
Glue
Hashing
Screws
Passwords only
What is a "smart contract" in blockchain?
A school rule
A digital agreement that executes automatically
A phone application
A note
Which is a type of blockchain?
Public
Closed
Random
Circular
In blockchain, information is verified by:
One person
A group or network
A robot
A printer
Which of the following best describes a decentralized system?
One leader controls everything
Several people work together without a central authority
Controlled by a government
Owned by a single company
Blockchain can also be used in:
Video games
Identity management
Driving cars
Making chairs
What does AR stand for?
What does AR do?
Replaces the real world
Deletes real objects
Adds digital content to the real world
Locks your phone
Which of the following is an example of AR?
Watching TV
Using Google Maps with live view
Reading a book
Playing a song
Which device is commonly used for AR?
Toaster
Smartphone
Oven
Radio
Which of these apps uses AR?
YouTube
Pokémon Go
Spotify
AR is different from VR because:
It is more expensive
It works in dreams
It adds digital elements to the real world
It uses glasses only
AR is used in education to:
Distract students
Add 3D models for better learning
Block websites
Turn off lights
What technology is often used with AR?
Projectors
Motion sensors
Printers
Radios
What is a real-world example of AR in medicine?
Playing a game
Showing organs in 3D during surgery
Taking X-rays with paper
Drawing
AR can enhance:
Reality
Noise
Water
Smoke
Which company is known for developing AR glasses?
McDonald’s
Microsoft
KFC
Nestlé
AR requires the following to work:
Paper
Digital camera and screen
Headphones
Eraser
AR content appears:
On TV
Printed on books
Overlaid on the real environment
On chalkboards
AR is used in retail for:
Shopping lists
Virtual try-on experiences
Paying cash only
Locking doors
AR is mostly designed to be:
Confusing
Invisible
Engaging and interactive
Difficult
