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Rodriguez, Ariana Summative Test Project Flashcards | StudBud
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Rodriguez, Ariana Summative Test Project
Rodriguez, Ariana Summative Test Project
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1
What value true or false should be inputted into val1 and val2 to get true as the result?
Both true
both false
val1 true. val2 false
val1 false, val2 true
2
What is the maximum number of searches required if using a linear search on list containing 2,000 numbers?
11
1,000
2,000
1
3
If server B goes down, what is the minimum number of connections needed for Server E to reach A
4
1
2
3
4
New devices and routes can be added to the internet without disturbing its infrastructure due to its scalability
False
True
5
What does the algorithm display?
5
4
3
7
6
Which is an example of an effect of the "Digital Divide"?
A student doesn't use their school issued computer
A person works from home on their company computer
A person is unable to access online job applications
A person gives their printed resume to employers
7
What is displayed?
4 3 2
5 5 5 5 5 4 4 4 4 3 3 3
4 4 4 4 3 3 3 2 2
5 4 3
8
Which of the following lines of code would cause an error with a robot?
CAN_MOVE (north)
CAN_MOVE (right)
NOT CAN_MOVE (left)
NOT CAN_M0VE (forward)
9
which of the following commands would properly import ThreadLocalRandom?
import ThreadLocalRandom.concurrent.util.java
import java.util.concurrent.ThreadLocalRandom
import java.util.function.ThreadLocalRandom
import java.ThreadLocalRandom
10
Which methods below can be used to reduce the risk of releasing personally identifiable information in large data sets?
All of the above
II, IV, and V only
I, II, and IV only
I, II, III, and IV only
11
Which of the following algorithms can find all crimes that occurred in a certain neighborhood on a certain day?
Algorithm II only
Both Algorithm I and Algorithm II
Neither Algorithm I nor Algorithm II
Algorithm I only
12
A student will do an analysis of the RGB values to find the most used series of values, which algorithm below will work?
Both I & II
Neither
II only
I only
13
What will be the value of x after this code segment executes?
Values > 5, x will increase by 1, other values, x will decrease by 1
Values > 5, x will stay the same, other values, x will decrease by 1
For all values of x, x will remain unchanged.
For all values of x, x will decrease by 1.
14
What is the result if val1 is false
True
False
15
The order of operations in an algorithm does not affect the output
True
False
16
What is the result if val1 is true and val2 is false
True
False
17
Ethical computing practices involve considering the impact on people and society
False
True
18
What will the program above display?
2 7
4 8
3 7
2 8
19
What is the minimum number of connections need to get from server D to B
4
3
2
1
20
What binary number does the letter O represent
1010001
1010111
1001111
1000111
21
What is the minimum possible time to execute all three processes if two processors run in parallel?
60 seconds
80 seconds
90 seconds
50 seconds
22
Distributed computing does not splits a problem among multiple computers to work simultaneously
False
True
23
It is better to use a heuristic approach when trying to find an effective solution in a short amount of time
False
True
24
Convert the decimal number 27 to binary
0011011
0100011
0010101
100001
25
Packets on the internet can arrive out of order and still be reassembled correctly
True
False
26
Speedup can be calculated by dividing the original execution time by the improved execution time
True
False
27
What character does the ASCII value 84 represent
T
L
W
M
28
What will be displayed by
mystery( 3, myList)
?
10 8 7 5 4 2 1
9 6 3
10 8 7 5 4 2 1 0
9 6 3 0
29
What value, True or False, should be input to A to get the output True
Neither value will work
Either True or False
False
True
30
What is the purpose of the code?
To find the lowest score
To find the average of the scores
To find how many scores there are
To find the highest score
31
Zach is shown a list of recommended movies to watch next. The site is using what type of system to make suggestions?
Reference grouping
Statistical probability model
Information filtering
Preference categorization
32
A list (or array) can store multiple values under one variable name
False
True
33
All seniors pay $20 per person.
All non—seniors pay $30 per person.
Selection is necessary, but looping is not
Both selection and looping are necessary
Neither selection nor looping are necessary
Looping is necessary, but selection is no
34
Which of the following is NOT an example of using citizen science as a possible solution?
Calculating PSAT scores for a school district
Collecting recordings using ultrasonic microphones & sonograms of bats
The behavior of fireflies during the summer months
Behavior of the mysterious and wonderful jellyfish on the beach or water
35
Comments in code are executed as part of the program
False
True
36
There are more IP addresses available in IPv4 than in IPv6
False
True
37
What should replace <missing condition> so that the program below displays TRUE 60% of the time?
x >= 6
x >= 9
x > 10
x < 6
38
Convert the binary number 1001011 to a decimal number
68
85
75
74
39
What value is display if num <- 14?
0
6
14
2
40
It is possible for the internet to run if one server is cut off
True
False
41
Convert the decimal number 52 to binary
001001
0110100
0101101
100001
42
What will be the values of x and y after this code segment executes?
x is 30, y is 40
x is 20, y is 20
x is 40, y is 30
x is 40, y is 40
43
Which of the choices below properly identify these concepts?
Asymmetric and Symmetric
Lexicographic and Asymmetric
Symmetric and Steganography
Hash Codes and Key Transfers
44
How does the DNS hierarchy scale the system?
URLs are arranged in a hierarchical system, it is easier to find websites
DNS files are distributed to client computers in a hierarchical manner
A DNS server only finds data for computer clients in a specific category
URLs are in a hierarchical system, it's easier for new websites to be added
45
Which best describes the role of TCP?
Rules for a numerical label assigned to each device on the internet
The foundation of data communication for the World Wide Web
The set of rules for the path packets taken on the fault-tolerant internet
Common protocol for encrypting and decrypting data sent on the internet
46
Sort the following by levels of abstraction, from lowest to highest:
I, II, III, IV
I, IV, III, II
I, III, IV, II
I, IV, II, III
47
Which of the following best approximates the minimum possible time to run all five processes on two processors?
10 seconds
7 seconds
18 seconds
8 seconds
48
What is displayed?
35
11.6666
3
15
49
It is better to use lossless compression than lossy when sending a random photo to a friend
False
True
50
A person faking as a company to get sensitive information is an example of phishing
False
True
51
What is the minimum number of lines that must be cut to isolate F completely?
8
9
4
6
52
A lightbulb's on and off state can be represented through binary
True
False
53
How long will it take to run the processes on one processor
20 seconds
40 seconds
70 seconds
30 seconds
54
What is the minimum amount of time it takes to run the processes on two processors that run in parallel?
35 seconds
40 seconds
30 seconds
25 seconds
55
Which of the following is NOT metadata for a picture?
The picture
The time the picture was taken
The location where the picture was taken
The memory space taken up by the picture
56
What can replace so the algorithm works as intended?
temp <- b
b <- a
b <- temp
temp <- a
57
What is the speedup for the code if it can be run on two parallel processors now
1
2
4
1.75
58
Using procedures in a program can help improve the clarity of the program
True
False
59
An online museum wants to use a lossless compression for art, Which of the following are true?
II. Algorithms for lossless compression to compress the images
Neither I and II
I. Heuristic approach for lossless compression, might not be most effective
Both I and II
60
Bias is only introduced into programs and data sets intentionally
False
True
61
A binary search algorithm is faster than a linear search algorithm on a sorted list.
False
True
62
Which of the following types of components is necessary for cybersecurity?
Human
All of the Above
Hardware
Software
63
DNS poisoning is when a query is passed off to another server w/ incorrect information, identify which is DNS poisoning
Neither I or II
Both I and II
I. Rogue Servers
II. DNS Key Distribution
64
It is always possible to compress any file using lossless compression without losing information
False
True
65
If a program produces an output but it is not the desired output, it considered a logic error
True
False
66
In the following flowchart, what is the value of RESULT?
True when either A or B are true
True when both A and B are true
Always true
Always false
67
By switching from IPv4 (stores 232 IP addresses) to IPv6 (stores 2128 IP addresses) how many more IP addresses are there
96 as many IP addresses
22 as many IP addresses
Twice as many IP addresses
296 as many IP addresses
68
What are the best reasons for choosing one language over another?
Programmer uses a dynamically typed language for large calculations
Statically typed, for clear variable declarations & shorter runtime
None of the above
Programmer uses a dynamically typed, since it is the current trend
69
Linear search is used to find members, will the number of steps the algorithm likely also increase with new members?
No, because the search is linear
Yes, because the new members may not be added alphabetically.
No, the program is written already
Yes, number of steps in an algorithm is proportional to the size of input
70
Total should be $19.78, but instead is $19.77. Choose the
most likely
possible explanation for the discrepancy.
Fixed number of bits used to store the values resulted in an overflow error
While multiplying the floating point numbers, there was a round-off error
Program calculating total rounded price for one of the products then x3
The program does not handle signed integers
71
What is a major disadvantage of the internet’s model of trust?
A trusted website has power over the computer’s ROM
A trusted website can still download malicious code even with a firewall
A trusted website cannot have encrypted communications
A trusted website can have a large amount of power over a computer
72
To preform a binary search, the list must be sorted first
False
True
73
What is a benefit of using a simulation?
Simulations can only run once so they are certain to be close to real life
A simulation would be able to account for every variable
Simulations have as much of an effect on the real world as an experiment
A simulation would be more cost-effective and easier to create
74
What does "open" mean in terms of the internet's open standards?
Standards used in any program that is used exclusively to access the web
Official standards can be made, updated, and edited by anyone
Standards cannot be utilized in proprietary software of any form
Standards are made freely available & can be used by anyone
75
Which of the following is a true statement about data transmitted over the internet?
All data traveling over the internet is in binary
DNS has been challenged by the Digital Millennium Copyright Act
Redundancy in the internet is overseen by large companies set standards
Packets are received in the same order that they are sent
76
What is the minimum number of connections that need to be cut to disconnect server B from G
3
5
2
4
77
Convert 88DEC to a binary number.
1011000
1010101
1111000
1000001
78
IP addresses are assigned randomly each time a device connects to the internet
True
False
79
How does redundancy improve the scaling of the internet?
Ensures devices are not disconnected through repeated communication
Keeps data from being lost through repeated communication
Devices are able to connect w/o interruption from end-to-end connections
Ensures computers are always on the internets with end-to-end connections
80
Which of the following considerations is likely to affect the ability of the program to process large data sets?
How many program statements the program contains
How much memory the program requires to run
The amount of program documentation that should be minimized
The order of the data put into the data set
81
What is the purpose of transmission control protocol/internet protocol?
Controls how data turned into packets addressed transmitted & reassembled
Controls the removal of electronic mail messages from a server
Enables the transmission of text communication in both directions
Controls message encryption on a network with symmetric-key encryption
82
What character is represented by the binary number 1001011
X
C
K
U
83
list contains the following data: [’c’, ’o', ’m’, ’p’, ’u', ’t', ’e’, 'r'], what will be displayed by mystery(list) ?
cmptr cmptr cmptr cmptr cmptr
cmptr cmptr cmptr
computer computer computer
computer computer computer computer computer
84
What is the purpose of a digital certificate in secured communications?
ensure that the communication system has been examine by a third party
ensure that the server contacted in the secure connection
ensures that a server’s transactions are being kept confidential
ensure that a website’s code has been created by a professional programmer
85
Which of the following events is most likely to take place among the DNS servers?Responses
widgets.cs.fbhs.org server will send IP address of widgets.cs.fbhs.org
The .org name server will send IP address of widgets.cs.fbhs.org
The .org name server will send IP address of the fbhs.org name server
Widgets name server will send the IP address of widgets.cs name server
86
Connection speed is 700 kilobytes per second (kps). How long will the download take if a video is 400 megabytes in size?
571 seconds
1.75 seconds
175 seconds
57.1 seconds
87
What is displayed by running the code segment?
Dog Golden Bandicoot Cat Fish
Dog Cat Fish
Golden Bandicoot Cat Fish
Dog Cat Fish Golden Bandicoot
88
Which ASCII value represents the letter G
122
71
83
101
89
What is the purpose of the logic gate code?
Display even numbers
Display one value, 6
Display odd numbers
Display num MOD 2
90
What is the speedup if the code ran on one processor before, and can now run on two in parallel?
60
4
80
1.75
91
What is displayed because of executing the code segment?
9
3 9
1 3 5 7 9
1 5 7
92
What will the following code segment display?
3
Nothing will be displayed due to an error
11
2
93
Which of the following is true of effective collaboration?
I, III, and IV only
I, II, III, and V only
II, IV, and V only
All of the above
94
Using the MOD 2 operation in a program can sort between odd and even values
False
True
95
What decimal value is represented by the binary number 0010101
17
21
36
64
96
A smaller sample size in a data analysis generally leads to more reliable results
False
True
97
In some coding languages, the above code will result in an error. Why?
The value of the product will always be 0
The multiple levels of abstraction used oversimplified the coded
Fixed number of bits to rep. real numbers limits the range of float values
Fixed number of bits to rep. characters/int. limits the range of int. value
98
The Caesar cipher is an example of what type of encryption?
Home key encryption
Symmetric encryption
No key encryption
Public key encryption
99
Why does program code have to be run through a compiler?
It doesn’t, as the new program could be run directly from the code.
Program code must be debugged by the compiler before it can ever run.
Program code is write-only until it is run through a compiler.
Program code must be translated into a language the computer understands
100
High-level programming languages are easier for humans to read than low-level languages
True
False
