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Silva, Juan Summative Test Project Flashcards | StudBud
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Silva, Juan Summative Test Project
Silva, Juan Summative Test Project
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1
The Caesar cipher is an example of what type of encryption?
Symmetric encryption
Home key encryption
No key encryption
Public key encryption
2
Where would the robot end up after running the following code?
C
D
A
B
3
What are the possible landing spots for the robot after executing the following program?
All of middle column
nothing
all of middle row and top two of middle column
everything
4
Which of the following is
LEAST
likely to be included with the game?
Location of highly trafficked roads and bridges
Location of high-crime areas that should be avoided
Information about what types of mobile devices can be used
What protocols the mobile device uses to connect to the internet
5
What’s true about museum using lossless image files?
Compression is risky
Heuristics give decent lossless
Lossless compression exists
Heuristics always efficient
6
What is displayed after running the algorithm below?
12
43
54
133
7
What should replace
<missing code>
in the following algorithm?
IF(number = randomNumber)
IF(number = true AND randomNumber = drawing)
IF(number ≠ randomNumber)
IF(number = true OR randomNumber = true)
8
What does the following algorithm display?
It always displays “True.”
When B is false, the algorithm displays “False.”
It always displays “False.”
When A is false, the algorithm displays “False.”
9
A program counts the first list item twice. What type of error is it?
Time
Location
Date
On/Off light
10
Why is 120! output wrong if code is fine?
Lacks procedures
Factorials are outdated
Float precision limits
Integer overflow
11
How does the internet help people collaborate?
All of the above
Communicate across distance
Send visuals easily
Shared cloud editing
12
Which metric is least useful for analyzing gerrymandering maps?
Overall district results
Third-party wins
Racial makeup
County splits
13
Which of the following best approximates the minimum possible time to run all three processes in series?(1
CPU all free)
28 seconds
15 seconds
4 seconds
9 seconds
14
Why use procedures instead of repeating code? (Choose two)
Always works if it worked once
Harder to edit because stored separately
Uses less space
Easier to edit one place
15
What’s a side effect (not purpose) of digital test appointments?
Ensures equal test access
Stops city residents from testing
People without internet might not get tested
Allows more total tests
16
What is the maximum number of searches required if using a linear search on list containing 2,000 numbers?
2,000
11
1
1,000
17
Which of these is NOT photo metadata?
Color of top-left pixel
File name
Date taken
Location
18
Find the error in the following low-level programming code.
The 17th 1 needs to be changed to a 0.
The 84th digit should be a 1.
it would be considerably easier to use an upper-level language.
The 34th 0 should be a 1.
19
What affects a program’s ability to handle big data?
Data order
Program length
Memory usage
Documentation size
20
Which of the following shows possible results of running the code segment with any value of p ≥ 0 AND p < 2?(2)
facing down at B3
Error. The robot leaves the grid.
facing up at top left box
Facing right at top left box
21
Best method for accessible shared data storage?
Magnetic drive
Flash Drive
Mainframe
Cloud with version control
22
Which of the following would
NOT
be a useful metric with which to analyze the data? for viewing area's goals
Overall results
County splits
Racial makeup
Third-party wins
23
What’s key when writing pool area program?
Ensure math operators exist
Use boolean for pool check
Approximate pi with float
Consider volume calc
24
Which is not a tool for designing programs?
User testing
Writing elegant code
Observations
Surveys
25
What should replace so the program below displays TRUE 60% of the time?
x MOD 2 = 0
x MOD 5 = 0
x MOD 5 = 5
x MOD 2 = 1
26
Which of the following considerations is likely to affect the ability of the program to process large data sets?
The order of the data put into the data set
How much memory the program requires to run
How many program statements the program contains
The amount of program documentation that should be minimized
27
What will be the output of the following program?
9 5 7
14 6
7 5 9
14
28
Why do computing innovations tend to lead to legal concerns?
There is no way to hide you.
Lawyers are unfamiliar with the laws governing computing innovations
The speed of innovations has made these laws harder to enforce.
These laws may not cover certain aspects of new technology.
29
What type of error did the below procedure suffer from?
Logical error
Runtime error
Syntax error
No error. The program works as intended
30
Why does updating a file use more memory than reading?
Reading uses full memory
Reading only uses RAM
Updating files don't use disk
Must store both original + updated versions in memory
31
What type of encryption is a Caesar cipher?
Symmetric
Public-key
Home-key
No-key
32
Why are graphs used to present project results? (Choose two)
Easy to read at a glance
Show trends not seen in raw data
Tables can't be put in slides
Graphs show more detail than raw data
33
A flowchart is a way to represent an algorithm visually. The flowchart below uses the following building blocks.S
3 8 0
Nothing due to an infinite loop
2 8 14
4 8 8
34
Which are required for cybersecurity?
Only humans
Only hardware
Software, hardware, and humans
Only software
35
Web browsers use IPv4 and page requests for websites' addresses. Which is
NOT
a potential response.
174.260.45.144
92.11.198.113
54.116.188.246
128.198.232.65
36
What is the following program returning?
6
20
3
76
37
Why is cryptography essential to cybersecurity?
secures internet communications by ensuring that the files cannot be read
prevent publicly accessible files on a server from being edited
Cryptography does not allow data on a server to be edited
preventing a third party from hijacking a connection.
38
Procedure isFound(list, item) will return TRUE if an item is found in a list What will the following procedure display?
[1, 6, −4]
[4, 6, −4]
[ ]
[1, 35, 6, 76, 4, 98, 5, 1, 8, 96, −4]
39
Why does updating a file require more memory than reading a file?
A read file uses only the hard disk
A read file requires no memory
v
A read file requires the entire file be loaded to memory
40
Which character has the most 0s in binary
C
K
.
p
41
What is displayed as a result of executing the following code segment?
Dog Waffle Noodles Moose Novack Benji
Moose Benji Novack Waffle Noodles
Dog Waffle Moose Noodles Novack Benji
Waffle Moose Noodles Novack Benji
42
Which of these is not a valid IPv4 address?
128.198.232.65
54.116.188.246
174.260.45.144
92.11.198.113
43
Why is it more effective to put procedures in a program than to repeat code?
Select two answers.
guaranteed to work in every instance they are used if they work once.
make a program harder to edit
makes the program easier to read.
Procedures simplify editing by requiring only one edit to the abstraction
44
Which of the following code segments does
NOT
correctly set the value of ticketPrice?
B
A
D
C
45
What would be a good use of constants when initializing variables at the beginning of a program?
I and III only
II and III only
I and II only
I, II, and III
46
What will be the result of the displayed program?
14 6
9 5 7
6 14
7 5 9
47
Sort the list so 13 doesn't appear
list1 ≠ 13
list1 = 13
item ≠ 13
item = 13
48
Which of the following best approximates the minimum possible time to run all five processes?
18 seconds
7 seconds
8 seconds
10 seconds
49
Which of the codes below will correctly swap the frog with the bear?
temp = animal[1]animal[1] = animal[2]animal[2] = temp
temp = animal[1]animal[1] = animal[3]animal[3] = temp
animal[1] = animal[2]animal[2] = animal[1]
animal[3] = animal[1]animal[1] = animal[3]
50
What type of transformation is the photo-editing software using?
Lossy transformation
Addition transformation
Lossless transformation
51
What will the following code segment display?
Nothing will be displayed due to an error.
11
6
3
52
What type of algorithm would be best used for fraud detection?
Heuristic algorithm
Brute force algorithm
Brute force algorithm
Optimization algorithm
53
What is the value of sum displayed after this algorithm is run?
2
4
7
6
54
Why is cryptography important?
It prevents server file edits
It speeds up internet
It hides data from hackers
It stops websites from crashing
55
Consider the following code segment, which uses the variables x, y, and z. What will the following program display?
12 24 24
6 12 24
24 24 24
12 12 12
56
What error if 1/3 doesn't equal 1/3 on two computers?
Hax error
Roundoff error
Overflow
All computers give same result
57
Time to run 3 tasks in sequence on 1 CPU (from table)?
28 seconds
9 seconds
90 seconds
7 seconds
58
What procedure will result in the robot landing on the star?
Select two answers
moveAndSpin(7, 3)
moveAndSpin(4, 1)moveAndSpin(6, 0)
moveAndSpin(0, 7)
moveAndSpin(6, 3)moveAndSpin(4, 0)
59
An algorithm has n number of steps. Which of the following would be considered a reasonable number of steps?
90^n
3^n
100n^4
n!
60
Which statements are NOT true about scientists using big data?
Data sharing reduces medical costs
One scientist can't analyze big data
Diverse teams complicate analysis
Limiting data helps in groups.
61
How can a game designer find efficient sort methods?
Write shortest code
Use known sort methods
Use a big server
Start with 1 player, expand
62
Which search terms help Amelia find wild mustangs?
Mustang -car
Site: Mustang
“Mustang, not the car”
Mustang NOT car
63
Which of the following data is not provided directly by the user
GPS location of user
Speed traveling
User name
Location of landmarks used in the game.
64
User types “Karel”. What does the program print?
What's your name?
What is your name? Hello Karel
Hello Karel
Hello
65
Which statement about compression is NOT true?
Scanned pics use lossy
Music moved in lossless
Lossless can fully restore data
Lossy gives exact original again
66
What will the following program display?
OXXOXXOXX
The program is an infinite loop.
OXXOO
OOOXX
67
What kind of system suggests movies on streaming sites?
Info filtering
Preference categorization
Reference grouping
Reference grouping
68
What is a major disadvantage of the internet’s model of trust?
Any data sent can be read by an interceptor.
Improper trusts can be very damaging if the website is malicious.
Trusted might download malicious code even if it is blocked by a firewall
A trusted website has the computer's ROM, leading to potential for malice
69
Why choose one language over another?
Static to reduce runtime
Static for readable vars
Dynamic to skip type worries
Dynamic is trendy
70
Why will linear search steps increase with data?
Yes, steps grow with input
No, linear splits data
No, code doesn’t change
Yes, unsorted additions
71
What should replace <missing condition> so that the program below display TRUE 10% of the time?
x <= 9
x < 1
x <= 1
x < 9
72
The following picture was taken by a smartphone.
The geographic location where the picture was taken
The Red, Green, and Blue values of the top left pixel
The date the photo was taken
The filename
73
Which is an effect of the digital appointments rather than the purpose of the digital appointments?
The digital appointments will allow for more testing.
No appointments online so individuals get more disease
ensure an even distribution of tests on both sides of the digital div
make people who live in cities less likely to get tested.
74
Max number of searches in a linear search (2,000 items)?
445
2000
6
68
75
Why is GIF better than BMP for most images?
Simpler algorithm
Pixel access ensures lossless
Table format is lossless
Uses fewer bytes for runs
76
Which of the following is the
MOST
likely data privacy concern of the upgraded game?
How many locations the player visited
The player’s score
Recording whether the player was speeding when driving to a location.
How much time a person spent playing the game
77
Which of the following characteristics for the virtual patrons would be most useful?
Select two answers.
Food preference
Walking preference
Ride preference
Ticket type
78
The findings from a project are typically presented using a graph as opposed to table or raw data. Why might this be?(2)
Graphs are easier to read and interpret at a glance.
Graphs can show trends that might not be easily seen with raw data.
Graphs are able to show all of the detail necessary to understand data.
Graphs can be easily placed into a slideshow or document, while tables wont
79
Why do scientists use simulations?
Cheaper than real-world tests
All listed reasons
Helps form hypotheses
Shows unusual results
80
What is the code segment displaying?
17
68
0
34
81
What is displayed as a result if the user inputs “Karel” to the program?
What is your name? Hello Karel
What is your name?Hello Karel
Hello Karel
Hello Karel
82
Which of the following is a potential outcome of this?
this could be used as a basis for further research by scientists.
the company could create a simulation with the help of the scientists.
All of the above are potential outcomes.
a simulation can be used provide the information necessary.
83
To convert to octal, subtract powers of what?
2
9
8
7
84
Why were emailed pictures blurry?
Files were corrupted
Bad camera quality
Lossy compression used
Packet error
85
Which fields are key to winning the DARPA Robotics Challenge?
Mech eng, bio, CS
Remote, CS, bio, mech eng
CS, electronics, remote systems, bio
CS, mech eng, bio, electronics, remote
86
What might a teacher learn from student word clouds?
Explore further with new clouds
Discover related words used
Find other overused words
Only frequency of "that"
87
What virtual guest info helps simulate wait times? (Choose two)
Ride type preference
Ticket type
Walking distance preference
Food preference
88
. What’s the purpose of a digital certificate?
Blocks fake server connections
Checks communication systems
Confirms server’s security was checked by a trusted third party
Verifies site was built by pros
89
What does the algorithm display?
7
5
3
4
90
Which of the following input data is needed by the upgraded game that was
NOT
needed by the original game?
Event sensing; an event would be the user pushing a button or screen
GPS location
Age of the player
Picture of the player
91
Why did a $19.78 total show as $19.77 online?
Signed int error
Rounded price * 3 was used
Round-off error in multiplication
Overflow from bit limits
92
Which factor is least needed in deer study model?
Food supply
Population size
Antler size
Illness rate
93
What is the code below displaying?
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
2, 4, 6, 8, 10, 12, 14
3, 6, 9, 12, 15
Nothing will be displayed
94
Which scenarios raise valid data security concerns?
IT caller asking for password
Hidden SSID at home
Properly erased hard drives
Gov contractor uses cloud storage
95
What’s a quick solution for delivery routing?
Wait to perfect route
Use software to cluster stops
Write fresh code now
Let drivers decide
96
What’s a downside of lossless compression?
Some data gets deleted
Image looks blurry
Lower resolution
File size is large
97
Consider the following code segment. What will the executed code display?
All even numbers between 1 and 12
All odd numbers between 1 and 12
All even numbers between 3 and 12
All odd numbers between 3 and 12
98
What type of error did the procedure below suffer from?
Logical error
No error. The program works as intended.
Syntax error
Runtime error
99
What will the following algorithm display after running the code below?
6
1
3
2
100
Which command can replace <Missing Condition> to result in the last column of the table shown below?
b AND (a AND b)
a AND (a AND b)
a OR b
NOT (a AND b)
