You complete a project using materials you find online. Which is MOST LIKELY to lead to legal consequences?

Using images posted online by someone else without permission or citation

You take a photo & post it online. Someone else copies it, reposts it, and attaches a CC license. Who owns the photo?

You: you are the original creator and did not license the work.

Which of the following best describes how computing devices represent information?

A computer represents data as bits which is either a 0 or a 1

You use your phone to take a photo of a painting. What is the difference between the painting and the photo?

The photo is a digital representation of the analog painting

Which of the following would result in a more accurate digital approximation of an analog black and white image?

Increase the number of samples taken.

What number does an odd binary number always end with and why?

1, because the last place holder is 1, which is odd

What is an example of digital data? (2 possible answers :) )

A photo of a painting, A video of someone dancing

You need to send a large image file. What will be true if you decide to compress the file before sending?

The image will require fewer bits in order to be represented.

When is it a good idea to use lossless compression?

When you need to preserve as much information/accuracy as possible

What is an example of analog data? (2 possible answers :) )

The physical person dancing, A physical painting you can touch

When does a round-off error occur?

When an exact value cannot be made with available place values.

Which is the correct base level to final product process of abstraction when creating a digital image?

Binary--Pixels--Sampling--Digital image

Which of the following is true of how computers represent numbers?

Fixed number of bits=numbers are too large, which leads to overflow errors

What is lossless compression?

A reversible process of compressing data where no info is lost

What happens when a single part of the TCP Packet is NOT received?

Receiver requests missing part from sender, file won't load

When should you use lossy compression?

When you need to have the file as small as possible

What is an example of lossey compression?

High quality picture becomes a low quality picture

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Review Part 1 (Unit 1)

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Questions 83

Answers

1
A message that can be only 1 or 2 values
Binary Message
Binary Question
2
The Internet is for Everyone.
True
False
3
Convert the decimal (base-10) number 20 to binary (base-2).
11000
00101
10100
10010
4
You complete a project using materials you find online. Which is MOST LIKELY to lead to legal consequences?
Using images posted online by someone else without permission or citation
Failing to publish your work under a Creative Commons license.
Modifying a piece of open source software.
Using open access research that does not acquire a license.
5
Protocol used by the WEB. It describes how messages are formatted and interchanged.
HTTP
DNS
TCP/IP
6
You take a photo & post it online. Someone else copies it, reposts it, and attaches a CC license. Who owns the photo?
You bc it was granted a Creative Commons license by another person online.
Both: creating a copy makes it the other guy's intellectual property.
The other guy: only holders of a CC license can own works online.
You: you are the original creator and did not license the work.
7
Which of the following best describes how computing devices represent information?
A computer represents information as bits or bytes but not both.
A computer represents data as a byte: either a 0 or a 1
A computer represents information as bits which contain 8 bytes.
A computer represents data as bits which is either a 0 or a 1
8
What is the minimum number of bits you would need if you wanted to have the ability to count up to 1000?
6
10
4
8
9
You use your phone to take a photo of a painting. What is the difference between the painting and the photo?
The photo is a digital representation of the analog painting
Depending on sampling, the phone can represent both digital and analog
Both the painting and the photo are analog
Sampling can show whether the analog image matches the painting.
10
Reducing information and detail to focus on essential characteristics
Characterizing
Deviating
Abstraction
Basics
11
Which of the following would result in a more accurate digital approximation of an analog black and white image?
Using fewer bits to represent the image.
Increase the number of samples taken.
Using decimal numbers to represent each pixel.
Decrease the number of samples taken.
12
The principle that all internet traffic should be treated equally by all ISP's.
Net Neutrality
Fault Tolerant
13
What does IP stand for?
Internet Protocol
Internet Position
Invested Primate
Internal Protest
14
Write instructions for a computer
TCP
code
HTML
Protocol
15
A novel or improved idea, device, product or the development thereof.
Abstraction
Prototype
Innovate
Code
16
What number does an odd binary number always end with and why?
0, because the last place holder is 2, which is even
1, because every binary number ends in 1
0, because every binary number ends in 0
1, because the last place holder is 1, which is odd
17
What is an example of digital data? (2 possible answers :) )
A physical painting you can touch
A photo of a painting
The physical person dancing
A video of someone dancing
18
Convert the binary (base-2) number 1001 to decimal (base-10).
9
16
10
17
19
You need to send a large image file. What will be true if you decide to compress the file before sending?
The image will require more pixels to display it on the screen.
The image can no longer be represented using bits.
The image will have been converted into an analog form.
The image will require fewer bits in order to be represented.
20
Which of the following binary (base-2) numbers is LARGEST?
01111111
00000001
10111111
11000000
21
Documents that define standards & protocols and are published on the IETF website
Request for Comments
Net Neutrality
22
When is it a good idea to use lossless compression?
When you want to make sure you look smart
When you need to have the file as small as possible
They're not different, so it doesn't matter
When you need to preserve as much information/accuracy as possible
23
What is an example of analog data? (2 possible answers :) )
A digital photo of a painting
The physical person dancing
A digital video of someone dancing
A physical painting you can touch
24
When does a round-off error occur?
When you don't calculate the bits accurately.
When there aren't enough bits to represent the number.
When you use more than 8 bits to calculate a number.
When an exact value cannot be made with available place values.
25
HTTP stands for
Hypertext Transfer Protocol
Hypersensitive Teething Patient
Hypertext Transmission Practices
Hyperactive Transfer Protocol
26
Reducing information and details focusing on essential characteristics.
Fault Tolerant
Abstraction
27
American Standard Code for Information Interchange
ASCII
HTML
URL
HTTP
28
Which is the correct base level to final product process of abstraction when creating a digital image?
Binary--Pixels--Sampling--Digital image
Digital image--Binary--Sampling--Pixels
Sampling--Pixels--Digital image--Binary
Pixels--Binary--Sampling--Digital image
29
The number of bits per unit of time.
ASCII
Bit
Bit Rate
Code
30
A computer that receives messages traveling across a network and redirects to their destination
Packets
Router
Server
31
What numbers are used in binary?
1 and 0
2 and 3
1 and 3
1
32
A preliminary sketch of an idea or model for something new.
Latency
Innovate
Bit
Prototype
33
Which of the following is true of how computers represent numbers?
Large but fixed number of bits=eliminate round-off error OR overflow error
Fixed but large number of bits=eliminates round off errors
Fixed number of bits=numbers are too large, which leads to overflow errors
Fixed and large number of bits=eliminates overflow errors
34
What is lossless compression?
Sending a file in its entirety with no change to its size or quality
A reversible process of compressing data where no info is lost
Smushing down a bagel
A permanent process of compressing data where info is lost
35
A set of rules in a specific order that is universally established.
Program
Practice
Promise
Protocol
36
IP addresses are unique for each device.
True
False
37
Transmission capacity, measured by bitrate.
Bandwidth
Latency
Router
Protocol
38
Which is the binary code for bright red?
000 111 000
001 000 000
111 000 000
000 000 100
39
How many total numbers can be represented with an 8-bit binary (base-2) system?
127
256
255
128
40
What happens when a single part of the TCP Packet is NOT received?
None of the above
All information is lost
Receiver requests missing part from sender, file won't load
A virus is created
41
ISP stands for.....
Interested Social Procedure
Internet Service Provider
Internet Service Protocol
Inspirational Scottish Person
42
Which is the binary code for black?
111 000 111
000 000 000
111 111 111
000 111 000
43
When should you use lossy compression?
They're not different, so it doesn't matter
When you need to have the file as small as possible
When you want to make sure you look smart
When you need to preserve as much information/accuracy as possible
44
What does TCP stand for?
Transmission Control Protocol
Tortillas Con Pollo
Transitional Computer Pin
Transfer Control Position
45
A collection of symbols and the rules for ordering them
Permutation
internet
Number System
code
46
What happens when a device first connects to the Internet?
website created for it
assigned an IP address
a driver is installed
packet number is assigned
47
The language in which websites are written is....
HTTP
HTML
HTTPS
Java
48
Time it takes for one bit to travel from a sender to a receiver
Bit Rate
Permutation
Latency
Bandwidth
49
A questions to which there are only 2 possible answers
Binary Question
Binary Message
50
What is an example of lossey compression?
replacing repeated Words with symbols in a text
High quality picture becomes a low quality picture
51
Binary digit, represented as 1 or zero.
bit rate
bit
code
ASCII
52
A router.....
Expands the internet capabilities with each new one added
Both are correct
Acts as a GPS, sending info on the "cheapest" path.
Neither one
53
What is a bit?
8 bytes
What your dog does
A binary digit
A tiny serving
54
Set of rules governing the exchagne or transmission of data between devices.
Number System
Abstraction
Permutation
Protocol
55
Which of the following is true of lossy and lossless compression algorithms? (2 possible answers :) )
Lossy compression=smaller file size/lost data
Lossless=larger file size/no lost data
Lossless=only compresses text data
Lossy=used when perfect reconstruction of the original data is important.
56
What is an overflow error?
Error from attempting to represent an image in binary code.
Error from attempting to represent a number that is too small.
Error from attempting to represent a decimal number in binary.
Error from attempting to represent a number that is too large.
57
What is the most important quality of lossless compression?
The complete file at original quality ca be reconstructed after transfer
Some details is permanently lost cuz it can take a hike
Like Rick Astley, it'll never give you up
It will always be the smallest possible file size
58
One of the ways virus and malware can impact the Internet is by....
Scattering Trojans over secure networks
Phishing
Severing physical connections
DDoS attacks slowing or stopping servers
59
Which of the following is true of intellectual property?
No one owns info created on a computer; only analog data can be copyrighted
You do not need to cite the creator if the item is in digital form.
Creative Commons has severely hindered broad & open access to digital info
Creative Commons allows creators to share otherwise copyrighted work
60
You are creating an app that sends pics fast. Photo quality doesn't matter. Which compression should you choose?
Lossless compression since it typically results in smaller data sizes.
Lossless compression since it ensures perfect reconstruction of the photo.
Lossy compression since it ensures perfect reconstruction of the photo.
Lossy compression since it typically results in smaller data sizes.
61
What is lossy compression?
A reversible process of compressing data where no info is lost
When you stick your tooth under your pillow for a dollar
Sending a file in its entirety with no change to its size or quality
A permanent process of compressing data where info is lost
62
What is an example of lossless compression?
High quality picture becomes a low quality picture
replacing repeated Words with symbols in a text
63
The internets system for converting alphabetic names into IP addresses.
HTTP
TCP
DNS
64
A number assigned to any device connected to the internet
IP Address
ASCII
TCP/IP
65
Which is the binary code for dark blue?
111 111 000
000 000 001
101 000 010
000 100 000
66
An ordered arrangement of objects.
Permutation
Protocol
67
4 bits represent decimal (base ten) numbers in binary. What is the SMALLEST number where an overflow error can occur?
17
14
16
15
68
The Internet of Things represents all devices connect by "The Cloud"
False
True
69
How many bits of binary are in one byte?
12
1
8
6
70
Cookies......
NOM NOM NOM NOM NOM
Are mini viruses that slow your computer
open pathways for HTTP/HTML overload
are stored packets, making for faster website loading
71
A group of computers & servers connected to each other.
IP Address
Server
Router
Internet
72
Flippy Do Pro: When using bits to represent fractions of a number, can you create all possible fractions?
No, because you will end up with overflow error
Yes, because Flippy Do Pro can do anything
Yes, because you can have unlimited bits
No, you can't be specific w/ binary fractions & end up with rounding errors
73
Technology impacts Politics, Society, Economy and Culture
True
False
74
Develops & promotes voluntary internet standards & protocols.
TCP/IP
IETF
URL
ASCII
75
What activity poses the greatest cyber security risk?
Online purchase using public key encryption for credit cards
using HTTPS site for online bill payment
Emailing credit card info to book a hotel
Withdrawing money from ATM
76
Provides reliable, ordered and error-checked delivery of packets on the internet.
TCP
DNS
IP
77
How many bits are in a byte?
2
4
8
16
78
Binary is comprised what two numbers
1
0
2
Both 1 and 0
79
Which of the following is NOT true of how computers represent complex information?
Computing devices use patterns of bits to represent complex information
Abstraction shows the complex process of representing information
The same sequence of bits may represent different types of info
Common abstractions include numbers, colors, and characters.
80
What are the important factors in deciding between lossless and lossy compression?
The beauty and grace of the file
The size of the file and accuracy/quality of the file
The weather outside today
The name you prefer: lossless or lossy
81
What do we mean by "sampling"?
Testing paint swatches on the wall before painting
Tasting all of the ice cream before deciding on a flavor
Creating a digital version of analog data by measuring at regular intervals
Taking the free food at the mall
82
What is digital abstraction?
That thing you have to do in English for that one essay
Mixing paint on a canvas in unique ways
Thinking deeply about life and existence
The complex process of representing information
83
The command "tracert" shows....
Time it takes to complete transmission
IP addresses of routers and servers
The route a ping takes
All of the above

Review Part 1 (Unit 1) Flashcards | StudBud