In a blockchain, what happens if someone has messed with the data?

some nodes will have different information

the technology behind cryptocurrency

What is a cyber attack?

when someone tries to steal your info online

How did Bitcoin solve the problem of double spending?

decentralized ledger so everyone can check amounts

What is the price range for a VR set?

several hundred to more than a thousand dollars

ways hackers pretend to be another person

brain understands distance from different images of each eye

In blockchains, what happens if data in a block changes?

a different hash is generated automatically

How is blockchain a secure method for storing information?

data cannot be changed once it is approved

In a VR headset, what do gyroscopes do?

let the system know which was the head is pointing

When it comes to approving a cryptocurrency transaction, what is a node?

any computer that reviews a transaction in an open block

What is cryptography?

protecting information using mathematics

What does Smart home technology allow you to do?

automate tasks around the house

How do computer viruses work?

make tons of copies of themselves and cause problems

How did the Virtuality system work?

Players sat in pods with headsets

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ASC - Engineering and Technology

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Questions 100

Answers

1
VR systems can help with climate change when it comes to travelling.
FALSE
TRUE
2
Where can you buy cryptocurrency?
at a foreign money exchange store
on your bank's website
at any retailer
through Paypal
3
Who dreamed up the system of Bitcoin?
Sasha Nakamoto
Sashimi Nakamoto
Satoshi Nakamoto
Nakamoto Satsh
4
Bitcon has collectable coins.
TRUE
FALSE
5
All IoT devices must have acces to ____ in order to function.
secure password
computer
the internet
sensors
6
What happened to a user when they used this first VR device?
experience smells
feel wind
hear sounds
all of the above
7
Who wrote a story with a house similar to a Smart home?
Steve Jobs
Ray Bradbury
Elon Musk
Charles Dickens
8
In a blockchain, what happens if someone has messed with the data?
some nodes will have different information
the person will be banned from using cryptocurrency
all the nodes will have the same information
an alarm system will be set off
9
What is blockchain?
a form of cyber attack
the technology behind cryptocurrency
chains that connect blocks of digital coins
a virus that infects your computer
10
When it comes to cryptocurrency, what is a hash?
information included in the header of a block
unique set of numbers and letters
all of the above
a digtal signature
11
Which jobs use VR for training?
welding
takign care of wind turbines
all of the above
working on an oil rig
12
Anyone who asks four your password is probably...
the government
trying to help you
your bank
a hacker
13
What is a cyber attack?
when your password is put on a website
when someone tries to steal your info online
when computers are not safe on wifi
when cyber bullies attack people online
14
How did Bitcoin solve the problem of double spending?
encrypted coins
moderators to check the ledger
numerous websites checking the transations
decentralized ledger so everyone can check amounts
15
Nowadays. VR systems are cheaper because the video game industry has shown renewed interest.
TRUE
FALSE
16
What is the price range for a VR set?
fifty to a hundred dollars
one thousand to ten thousand dollars
ten thousand to twenty thousand dollars
several hundred to more than a thousand dollars
17
What is cybersecurity all about?
connecting your device to safe places
protecting website from people who want to steal
keeping online stuff safe
stealing information
18
Places use SHA-256 to verify...
identities
code
usernames
products
19
Which list of systems is correct for an IoT device?
sensors, UID, user interface
sensors, fingerprint, camera
sensors, data processors, camera
sensors, fingerprinting, UID
20
How many Bitcoins are there that can be mined?
2 million
1 thousand
50 million
21 million
21
An Internet of Things device is also know as a...
Apple Watch
Wifi device
Internet Device
Smart device
22
What is phishing?
another word for cyber security
fake emails
ways hackers pretend to be another person
using a fake email address
23
What is stereopsis?
brain being able to see similar images in both eyes
brain understanding sound and sight
brain understands distance from different images of each eye
brain unable to understand distance between objects
24
Which companies have started training front-line employees using VR?
FedEx and Loblaws
WalMart and FedEx
Nintendo and Playstation
World Health Organization
25
In blockchains, what happens if data in a block changes?
a different hash is generated automatically
the block is still approved
the block disappears
the hash is deleted
26
Which system in an IoT can wear out?
user interface
sensors
none of these parts
central hub
27
How many transactions can Bitcoin process per second?
1 000
7
50
24 000
28
Humans have sensors.
FALSE
TRUE
29
How is blockchain a secure method for storing information?
nodes never have to agree on valid data
no hackers can break the secure code
data cannot be changed once it is approved
many blocks are rejected if there's too much currency
30
Backing up your files can help in the case of a ransomware attack.
TRUE
FALSE
31
Only the government is responsible for keeping your information safe.
TRUE
FALSE
32
How does cryotocurrency relate to climate change?
produces a large amount of greenhouse gases
requires a lot of electricity
uses many computers
all of the above
33
In a VR headset, what do gyroscopes do?
measure distance
allow the headset to display depth
let the system know which was the head is pointing
connect to real life maps to place the user in the world
34
Blockchair is used to protect other types of digital data.
FALSE
TRUE
35
Smart farming is not environmentally friendly.
TRUE
FALSE
36
Buttons allow you to move your head around to see every direction of the virtual world.
TRUE
FALSE
37
How can wearables improve people's lives?
monitor heart rate and send info to doctor
contact ambulance if someone falls
all of the above
alrt police if someone with Alzheimer's has wandered
38
When mining Bitcoin, what does the first miner to guess the correct nonce get?
closes the block
all of the above
validates the transaction
payment in the form of Bitcoin
39
What is the name of the VR system that Nintendo released in 1995?
Virtual Boy
Nintendo VR
Virtual World
Game Boy
40
What does it mean to be a decentralized system?
everyone makes sure the ledger is accurate
all of the above
there is no organization in the middle
everyone keeps the ledger safe
41
IoT devices are easy to repair on your own.
TRUE
FALSE
42
When it comes to approving a cryptocurrency transaction, what is a node?
any computer that reviews a transaction in an open block
a network of wifi connections
an open block that needs approval
the central sysem that overseens crytocurrency
43
What is cryptography?
protecting information using mathematics
writing code to protect the bank
the website for cryptocurrency
code used to protect cryptocurrency
44
When hackers change the language of your infor and ask you to pay to change it back.
encryption attack
phishing
ransomware
locker attack
45
What does Smart home technology allow you to do?
have wifi all over your home
collect data about your house
protect devices in your home from cyber attacks
automate tasks around the house
46
How do computer viruses work?
all of the above
make tons of copies of themselves and cause problems
delete passwords from different computers
spread by deleting information from your computer
47
How did the Virtuality system work?
Players sat in pods with headsets
Players plugged a controller into a special machine
Players placed their faces in a machine
Players hooked up to wires on their head and arms
48
Your school computer has enough power to come up with a correct nonce very quickly.
FALSE
TRUE
49
For Bitcoin, the chains connect only ____ transcations.
open
approved
blocked
unverified
50
What can Smart shoes do?
tie your laces
collect data about your body temperature
prevent odour
track foot pressure
51
Ninetendo was the first gaming company to do what?
invent a VR system
make an afforable VR device
create VR games
make VR available at home
52
When it comes to cryptocurrency, how do nodes decide whethere data is valid in a block?
they look for red flags in the transaction
they send messages to everyone
they create complicated mathematical codes
they vote
53
What did NASA use VR technology for?
exploring the moon
training astronauts
developing video games
visualizing space
54
What ability does every Internet of Things device have?
receive data
transfer data
Answer 1 and 2
download apps
55
What is like a fingerprint for an IoT device?
data crumbs
communication hardware
own unique identifier (IUD)
sensors
56
Bitcoin has no value compared to standard national currencies.
TRUE
FALSE
57
Which is a disadvantage of IoT?
device often needs reprogramming
won't work if internet goes off
makes tasks for difficult
information can easily be lost
58
What is firmware?
tells devices what to do and how
all the code for a program
spyware that can get onto a smart device
security programs
59
Name for putting different images in each eye and blocking out everything else to see depth.
stereopsis
binocular
none of the above
stereoscopy
60
What happened with the Argus II eye implant?
the sensors stopped working
code wasn't updated so it stopped working
personal information was stolen
the central hub malfunctioned so it stopped working
61
Updates often fix...
security holes
none of the above
malware on your device
glitches in your computer
62
Which is not a downside of cryptocurrency?
the government does not protect cryptocurrency
people don't invest in cryptocurrency
lots of computer power needed
slow transactions
63
Which information described malware?
computer programs
used to steal your stuff
all of the above
computer viruses
64
What does a cryptocurrency miner do to check a block?
creates a new nonce
looks at the hash
combines list of transactions with the nonce
makes new math equations
65
When is World Backup day?
March 31st
April 10th
March 30th
there is no such thing
66
What is cryptocurrency?
digital currency that the bank can control
digital currency with a centralized system
digital currency where transations are not checked
digital currency with a shared ledger
67
The SHA-256 hash generator creates string that can be decoded.
FALSE
TRUE
68
When did cryptocurrency first start?
October 31, 2008
October 1, 2008
October 31, 2000
October 31, 2020
69
What is computer vision?
using computers for security
training computers to troubleshoot
sensors that view the environment
training computers to identify what's in pictures or videos
70
In cryptcurrency, what do all blocks contain?
two chains
header with informatiom
a node
a secure lock
71
Which is the most familiar stereoscope?
Virtual Boy
Virtuosity
View-Master
Stereomaster
72
What is the name of the system this first VR used?
stereoscopic
3D coding
audio-video
panorama
73
More miners means a safer system with less fraud.
TRUE
FALSE
74
VR was used to train people for which types of jobs?
difficult
rare
exciting
dangerous
75
Which is an example of phishing?
downloading malware onto your computer
making many copies of a virus
pretending to be your bank
stealing your diary
76
What is spatial audio?
volume in each simulates sounds from different directions
helps the brain process images and direction
adjusting volume to make something sound closer/farther
all of the above
77
The company Osso launched a VR system. What did it do?
allowed people to experience working in a hospital
allowed users to fly a plane
all of the above
allowed surgeons to practice dangerous surgeries
78
What does antivirus software do?
deleted dangerous files from your computer
changes your password to make them stronger
makes it hard for a virus to infect your device
makes it completely impossible for your to get a virus
79
What do we call someone who steals info by breaking into computer networks?
hacker
cyber attackers
fradulent hacks
cyber breachers
80
When did the Virtuality system come to video game arcades?
1990
2000
2001
1991
81
What does the governent need to do to protect you from hackers?
block systems
pass laws against hacking
control companies
change your passwords
82
A strong password can protect your from hackers.
TRUE
FALSE
83
What is vertigo?
having visions issues after too much movement back and forth
a feeling that you or the world is spinning when you're not
feeling dizzy after too much movement
feeling sick after moving up and down
84
What type of personal information do people store on the internet?
social insurance numbers
passwords
addresses
all of the above
85
Miners will keep trying to guess the nonce until they find one that is...
equal to a target line
way below a target line
more than a target line
equal or less than a set target line
86
What is the difference between a modern and older VR system?
modern have better quality graphics
modern no longer include a headset
modern show video instead of still images
mordern use still images instead of videos
87
What does the communication hardware in an IoT device do?
checks to ensure the device is working properly
transmits internet throughout the device
transmits info to a central hub
sends information to the sensors
88
What does a bank represent?
centralized way of controlling money
a digital money system
decentralized system of keeping money
a way to get your hand son cryptocurrency
89
What could the wearer explor with the first VR headset?
a virtual room
a virtual continent
the entire globe
a virtual school
90
With Bitcoin, why is it impossible to change the ledger?
info is encrypted with cryptography
only the founder has access
password protected
no one has access
91
With cryptocurrency, what happens to a block that is rejected?
removed from the system and destroyed
the block is fixed
becomes highlighted and sent to the police
becomes orphan block and goes back to the start
92
What is the Internet of Things?
another word for the world wide web
when things can connect with other things and networks using the Internet
all objects that can be purchased on the internet
another word for a wifi connection
93
Which country considers cryptocurrency to be legally acceptable?
Canada
England
El Salvador
Mexico
94
Who incided the first VR headset?
Ivan Sutherland
Ivan Howard
Vim Realiti
Imad Sotherground
95
Money moves more quickly with cryptocurrency.
TRUE
FALSE
96
What is clickbait?
clicking on dangerous files on your computer
downloading a virus
getting people to keep watching your videos
using links to put malware on a computer
97
Bitcoin was the first company to...
first peer-to-peer version of cybersecurity
allow peer-to-peer transactions without a bank
to create a digital bank
create printable money
98
Bitcoin supply is...
limited
rare
overflowing
unlimited
99
When did the term "virtual reality" become associated with immersive environments?
1990s
2000
1980s
1960s
100
What is a ransomware attack?
when your information is given to other companies
when hackers ask for money in return for your info
when you need to pay for more security on your computer
when hackers are violent

ASC - Engineering and Technology Flashcards | StudBud