Which of the following is an effect that the "digital divide" has on the given group?

Students without computers have a harder time accessing resources

Why is it important to find an efficient solution to a problem?

An efficient solution can make it easier to analyze larger data sets.

Which best describes the role of TCP?

The foundation of data communication for the World Wide Web

Which of the following is NOT metadata?

The Red, Green, and Blue values of the top left pixel

What is true about the packets of information sent

Packets are sent in multiple paths and can be received out of order.

Which of the following is a question about intellectual property (IP) that is raised by modern informational systems?

How can IP holder deal w/ violence thats on server outside of country

Which of the following would be considered a heuristic solution?

File-organizing determines content of file based on certain number of bytes

What should replace to make program return True when the first element of the array equal to the last?

( list1[1] = list1[LENGTH(list1)] )

Which of the following is true about data compression?

Data compression can be used to reduce the size of a file for storage

How is math utilized in cryptography?

Bits and group of bits are modified by utilizing mathematical and algebraic

A government agency publishes recent experiment data. How could this be useful?

Allowing researchers access data enables them to replicate the experiment

The findings are typically presented using a graph as opposed to table or raw data. Why might this be? (2 answers)

Graphs can show trends that might not be easily seen with raw data., Graphs are easier to read and interpret at a glance.

The following code segment is intended to switch the values of x and y . What is happening here?

Add "temp ← x" above "x ← y" and replace y ← x with y ← temp

Which of the following is a method of search refinement that is based on Boolean logic?

All of the above require Boolean logic

Suppose that web browser on mobile device collects information about login information & geolocation; security concern?

Yes, because both could be used for malicious purposes (identity theft)

A simulation for a color chooser results in 25% BLUE. Which could replace ? (2 answers)

RANDOM(5, 8) > 7, RANDOM(1, 4) < 2

A spinner is divided into two sections. ¾ of the spinner will return False while ¼ of the spinner will return True

RANDOM(1, 8) ≤ 2, RANDOM(5, 8) = 6

If the algorithm is translated exactly into a higher-level language from low, will the solution utilized still work?

Yes, because an exact translation of an algorithm only affects the way it's

Is a binary search always the fastest search when searching for a number in a sorted list?

Lnear search has a chance of finding the correct number quickly than binary

What is the purpose of the procedure above?

To find the amount of items in list that are equal to number

Which of the following is an example of how global positioning systems (GPS) have affected human navigation? (2 answers)

GPS can be used to calculate the most efficient route to a location, GPS can be used to inform people of nearby points-of-interest (restaurants)

Why is it important that algorithms be executed in a reasonable time?

This ensures that the algorithm is capable of handling the data sets

What is the purpose of a digital certificate in secured communications?

ensures that server’s own security features have been examined by a 3 party

Which code can replace to have the robot end up in the gray square? (2 answers)

REPEAT 4 TIMES, REPEAT UNTIL (Goal_Reached)

When should a heuristic algorithm be used?

Finding quickest way to drive from Orlando, Florida, to Cold Foot, Alaska

What is displayed as a result of executing the following code segment?

Moose Benji Novack Waffle Noodles

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Answers

1
How many lines need to be cut to completely isolate computer E from computer C?
8
0
6
3
2
The algorithm below displays TRUE 60% of the time
x <= 10
x > 10
x >= 10
x < 10
3
Which of the following is an effect that the "digital divide" has on the given group?
Students without computers have a harder time accessing resources
Teachers without computers are unable to grade work at all
Taxi and carpool drivers without computers cannot find efficient routes
Mathematicians without computers cannot evaluate calculus expressions
4
Why is it important to find an efficient solution to a problem?
An efficient solution can always be solved in a reasonable amount of time.
An efficient solution uses more computer resources
An efficient solution can make it easier to analyze larger data sets.
An efficient solution makes it harder to copy an algorithm.
5
In the following URL, what is the lowest level of the domain's syntax hierarchy? tovuti.net/ukurasa
net
ukurasa
tovuti.net/ukurasa
net/ukurasa
6
Which best describes the role of TCP?
The foundation of data communication for the World Wide Web
The set of rules for the path packets taken on the fault-tolerant internet
A common protocol for encrypting and decrypting data
Setting the rules for a numerical label assigned to each device
7
Which of the following is NOT metadata?
The filename
The Red, Green, and Blue values of the top left pixel
The date the photo was taken
The geographic location where the picture was taken
8
What will the above circuit output?
False
Not False
True
None of the above
9
What is true about the packets of information sent
All of the above.
Packets are sent in multiple paths and can be received out of order.
Packets are received in the order that they are sent.
Packets are sent by the quickest path possible in the correct order.
10
Which of the following is a question about intellectual property (IP) that is raised by modern informational systems?
How can an IP holder prevent his or her content from being copied?
How can an IP holder prevent his or her content from being distributed?
How can IP holder deal w/ violence thats on server outside of country
How can IP holder determine whether work doesn't utilize outside of bound
11
Which of the following describes the characteristics of the internet and its systems?
II only
I and III only
I, II and III
II and III only
12
What is the value displayed after the algorithm is run?
2 4 6
ODD ODD ODD
Nothing will be displayed
EVEN EVEN EVEN EVEN
13
Which of the following would be considered a heuristic solution?
A sorting algorithm passes every value, swapping two values
File-organizing determines content of file based on certain number of bytes
An antivirus program scans the entirety of every file on the hard drive
A searching algorithm determines the bit-level location of a text string
14
What should replace <missing code> to make program return True when the first element of the array equal to the last?
( list1[0] = list1[1] )
( list1[0] = list1[LENGTH(list1) – 1] )
( list1 = list1 )
( list1[1] = list1[LENGTH(list1)] )
15
Which of the following is true about data compression?
Data compression can be used to reduce the size of a file for storage
Lossless data compression is the best compression under all conditions.
Lossy compression cannot be used when sending pictures
Data compression can be used for pictures and video only
16
Which of the following protocols are NOT utilized by devices on the internet?
TCP-Delivers data from network to applications
TLS-Encrypts messages using symmetric cryptography
None of the above
IP-Routers that deliver data to a central computer then direct the data
17
How is math utilized in cryptography?
Math is not used; cryptographic algorithms are purely logic-based
The length of a string determines whether it should be encrypted
Individual bits are given new values that are randomly generated
Bits and group of bits are modified by utilizing mathematical and algebraic
18
Credit card companies use technology and human input. Best algorithm for fraud detection?
Heuristic algorithm
Searching algorithm
Optimization algorithm
Brute force algorithm
19
In IPv6, the address length compared to IPv4 is quadrupled from 232. How many addresses can be created using IPv6?
2^32
2^16
2^64
2^128
20
A government agency publishes recent experiment data. How could this be useful?
It allows the public to decide if the experiment costs too much
It allows public to decide whether the experiment should have been done
It enables any person to determine if the results are correct
Allowing researchers access data enables them to replicate the experiment
21
What are the values displayed after the following program is run?
5 4 -1
-4 6 9
3 -4 6
-1 -4 6
22
The findings are typically presented using a graph as opposed to table or raw data. Why might this be? (2 answers)
Graphs can show trends that might not be easily seen with raw data.
Graphs can be easily placed into a slideshow or document
Graphs are able to show all of the detail necessary to understand data.
Graphs are easier to read and interpret at a glance.
23
Which of the following statements correctly describes a procedure?
I and III only
II and III only
I and II only
I only
24
What will the following program display?
[-11]
[ ]
[-35]
[0]
25
The following code segment is intended to switch the values of x and y . What is happening here?
Add "temp ← x" below "x ← y"
Add "temp ← y" above "x ← y
Nothing, the code works as intended
Add "temp ← x" above "x ← y" and replace y ← x with y ← temp
26
Which of the following is an example of the effects that cyber attacks can have on the world at large?
All of the above
Loss or theft of confidential business work
Theft of personal information such as financial information
Interruption of essential governmental services
27
Which of the following is a method of search refinement that is based on Boolean logic?
All of the above require Boolean logic
Excluding results of a genre
Filtering results by decade published
Only including results with specific data values
28
Suppose that web browser on mobile device collects information about login information & geolocation; security concern?
Only the login information, as geolocation is meaningless on the internet
Only the geolocation, as login information is unrelated to personal info
No, because neither is particularly tied to a person's identity
Yes, because both could be used for malicious purposes (identity theft)
29
In the following flowchart, what is the value of RESULT?
True when either A or B are true
Always false
Always true
True when both A and B are true
30
A simulation for a color chooser results in 25% BLUE. Which could replace <missing condition>? (2 answers)
RANDOM(5, 8) > 7
RANDOM(250, 1000) < 251
RANDOM(1, 4) < 2
RANDOM(1, 2) > 1
31
What is the minimum number of lines that must be cut to isolate F completely?
8
4
0
6
32
A spinner is divided into two sections. ¾ of the spinner will return False while ¼ of the spinner will return True
RANDOM(5, 9) = 6
RANDOM(1, 8) ≤ 2
RANDOM(1, 4) ≤ 2
RANDOM(5, 8) = 6
33
If the algorithm is translated exactly into a higher-level language from low, will the solution utilized still work?
Yes, because an exact translation of an algorithm only affects the way it's
No, because the readability of a language affects complex algorithm
Yes, because an algorithm will always work regardless of the language
No, because an algorithmic solution can only exist in the language it's
34
What is the minimum number of searches for a binary search using an ordered list of 100 numbers?
8
1
0
100
35
At least how many connections must be damaged to prevent the client and server from communicating (fault-tolerant)?
1
4
2
3
36
Is a binary search always the fastest search when searching for a number in a sorted list?
For a large list, binary searches are always faster.
A binary search is always faster with a sorted list.
For a large list, linear searches are always faster.
Lnear search has a chance of finding the correct number quickly than binary
37
What is the purpose of the procedure above?
To find the amount of items in list that do not equal number
To find the amount of items in list
Nothing, compile-time error
To find the amount of items in list that are equal to number
38
What is displayed as a result of executing the code segment?
Golden Bandicoot Cat Fish
Dog Golden Bandicoot Cat Fish
Dog Cat Fish
Dog Cat Fish Golden Bandicoot
39
Which of the following best approximates the minimum possible time to run all five processes?
10 seconds
18 seconds
7 seconds
8 seconds
40
Which of the following is an example of how global positioning systems (GPS) have affected human navigation? (2 answers)
GPS is used to communicate with other drivers or commuters
GPS is used to give people information about points-of-interest
GPS can be used to calculate the most efficient route to a location
GPS can be used to inform people of nearby points-of-interest (restaurants)
41
For the following data structure, which search algorithm would work as intended to find the value 35?
Linear search
Bubble sort
Insertion sort
Binary search
42
Why is it important that algorithms be executed in a reasonable time?
An algorithm that does not execute in a reasonable time will break =
This ensures that the algorithm is capable of handling the data sets
This ensures that the algorithm is capable of finding an exact answer
An algorithm that does not execute in a reasonable time will be rejected
43
The following procedure is intended to find the amount of values divisible by 15 in list. What can replace MISSING CODE?
item / 15 = 0
item MOD 15 = 0
item / 15 = 1
item MOD 15 = 1
44
What is the purpose of a digital certificate in secured communications?
ensures that the communication system has been examined
ensures that the server contacted in the secure connection
ensures that server’s own security features have been examined by a 3 party
ensures that the website’s code has been created by a programmer
45
Which of the following are benefits to having information be easily accessible and changeable?
I, II, and III
II and III only
I and II only
I only
46
Which code can replace to have the robot end up in the gray square? (2 answers)
REPEAT 4 TIMES
REPEAT UNTIL x = 4
FOR EACH item IN list
REPEAT UNTIL (Goal_Reached)
47
What will the following code segment display?
nothing
11
6
3
48
Which of the following MUST an algorithm be written or be converted into to be executed by a computer?
Pseudocode
Low-level language
High-level language
Natural language
49
When should a heuristic algorithm be used?
None of the above
Finding quickest way to drive from Orlando, Florida, to Cold Foot, Alaska
When finding the lifetime batting average of Mookie Wilson
When calculating the average score for the national SAT test
50
What is displayed as a result of executing the following code segment?
Dog Waffle Noodles Moose Novack Benji
Dog Waffle Moose Noodles Novack Benji
Moose Benji Novack Waffle Noodles
Waffle Moose Noodles Novack Benji
51
What is the minimum number of binary digits needed to store the number 56?
1
3
5
6
52
Which of the following is a negative trade-off inherent in lossless compression?
The file can be difficult to email and can take up lots of memory storage.
Some of the data will be lost and cannot be recovered.
The number and size of pixels will be less.
The image quality will be less and will result in a blurry image.
53
The program below is intended to find the highest non-negative number in list. Does the program work as intended?
No, the program doesn't work; the if conditional should be "item > result"
Yes, the program works as intended; it displays 1
Yes, the program works as intended; it displays 3
No, the program does not work as intended; result starts at 0
54
Which of the following are benefits to having information be easily accessible and changeable?
II and III only
I, II, and III
I only
I and II only
55
Which of the following is NOT metadata (*data about data*) for the picture?
The location where the picture was taken
The picture of the dog
The time the picture was taken
The memory space taken up by the picture
56
Which of the following best approximates the minimum possible time to run all five processes in parallel?
11
13
9
15
57
Which of the following could NOT be a response for IPv4?
174.260.45.144
54.116.188.246
128.198.232.65
92.11.198.113
58
What should replace <missing condition> so that the program below displays TRUE 60% of the time?
x > 10
x < 6
x >= 9
x >= 6
59
What is displayed after running the algorithm below?
43
12
133
145
60
Why does program code have to be run through a compiler?
Program code must be translated into a language the computer understands.
Program code is write-only until it is run through a compiler.
Program code must be debugged by the compiler before it can ever run.
It doesn’t, as the new program could be run directly from the code.
61
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)
62
The following program is intended to find the lowest number in list. Does the program work? Why?
No, the program does not work as intended; result is always list[1]
Yes, the program works as intended; it displays -7
No, the program does not work as intended; runtime error
Yes, the program works as intended; it displays 1
63
The procedure is supposed to display the sum of all numbers, instead it runs an error. Which type of error did it suffer
Logical error
Runtime error
No error; the program works as intended
Syntax error
64
What is the value displayed after the following algorithm is run?
6
4
1
0
65
Why is it generally considered a better idea to use procedures in a program? (2 answers)
Procedures make program easier to read; can collapse complex into lines
Procedures simplify editing by centralizing repeated algorithms.
Procedures facilitate sharing by keeping them in one file.
Procedures are easier to read because they keep blocks of code together
66
Why are internet protocols used? (2 answers)
Internet protocols are needed to slow the growth of the internet.
a set of rules to ensure the internet can work and transmit info
Internet protocols are specific to the hardware attached to the internet.
Internet protocols make the internet scalable and encourage growth.
67
Which of the following areas has the internet had a major effect on?
Education
Access to information
Commerce]
All of the above
68
How has the rise of mobile and wireless networking impacted innovation?
An innovation that normally requires the use of a wire can be redesigned
Communication used for innovation can be performed by more devices
Devices can be controlled remotely
Finished innovations can be distributed to any customer instantaneously
69
If a does not equal b, what error has occurred?
Hexadecimal conversion error
Overflow error
a will equal b on all computers
Roundoff error
70
Which of the following is a trade-off inherent in lossy compression ease of handling?
Image size (pixels)
Image quality
Viewing ability
Smaller file size (bytes)
71
How do open standards ensure the security of encrypted data?
Open standards are supported by large corporations that guarantee security
Open standards flaws are publicly documented; more people to address
It is impossible to crack open standards because the specifics are private
It is illegal to crack open standards, so security is guaranteed
72
What protocol below guides the rules about how data are subdivided into packets before transmission?
DNS
TCP
HTTP
FTP
73
What will be the result of the displayed program?
6 14
9 5 7
14 6
7 5 9
74
Which of the following is a trade-off inherent in lossy compression ease of handling?
Image quality
Image size (pixels)
Viewing ability
Smaller file size (bytes)
75
What should replace <missing code> to make program return True when the first element of the array equal to the last?
( list1[1] = list1[LENGTH(list1)] )
( list1 = list1 )
( list1[0] = list1[1] )
( list1[0] = list1[LENGTH(list1) – 1] )
76
What is the advantage of using public key encryption for encrypted communications?
A message can only be encrypted by someone who knows the receiver
Anyone can encrypt a message to the receiver not knowing how to decrypt it
Anyone can encrypt & decrypt message; just need a key from the receiver
A message cannot be decrypted without permission from the receiver
77
How many lines need to be cut to completely isolate computer E from computer C?
0
3
8
6
78
What does it mean to say that social media has "enhanced dissemination"?
Social media makes spreading idea easier and faster than it was in the past
Social media makes spreading idea difficult due to increased disagreement
Social media has no effect on the ability to spread and share ideas
Social media makes spreading short, simplistic ideas easier
79
What will be printed when this algorithm is run?
Pineapple
Kumquat
Star Fruit
Pineapple Kumquat Star Fruit
80
In the following flowchart, what is the value of RESULT?
Always true
Always false
True when both A and B are true
True when either A or B are true
81
How many passes using a binary search are needed to find the number 11? (half-half)
1
2
4
3
82
What will the program below display?
2 7
4 8
2 8
3 7
83
Why are most websites designed to work within boundaries of current web protocols (it limits a website's capabilities)?
If protocol exceeded, ISP may block website for being broken or malicious
It is illegal to go beyond the boundaries of current protocols
Current protocols are the limit of web technology; further is impossible
All web browsers support the protocols, minimizing incompatibilities.
84
Which of the following best approximates the minimum possible time to run all three processes in series?
9 seconds
4 seconds
28 seconds
15 seconds
85
The procedure isFound(list, item) will return TRUE if an item is found in a list What will the following display?
[ ]
[1, 35, 6, 76, 4, 98, 5, 1, 8, 96, −4]
[1, 6, −4]
[4, 6, −4]
86
What is an example of a way that a "smart grid" could assist with human capabilities?
The grid could distribute power in the most efficient manner possible
The grid could ensure that all computers on it are properly updated
The grid could control the temperature of an A/C or heating unit directly
The grid could prevent blackouts altogether
87
What will the following program display?
[1, 1, 35, 6, 76, 4, 98]
[1, 1, 35]
[6, 76, 4, 98]
[ ]
88
What is the percentage that this algorithm displays true?
10%
100%
9%
60%
89
Which of the following types of components is necessary for cybersecurity?
I and II only
I, II, and III
III only
I only
90
For the following data structure, which search algorithm would work as intended to find the value 35?
Insertion sort
Binary search
Bubble sort
Linear search
91
What is the value of sum displayed after this algorithm is run?
6
0
error
4
92
Which code can replace to have the robot end up in the gray square? (2 answers)
REPEAT UNTIL (Goal_Reached)
REPEAT UNTIL x = 4
REPEAT 4 TIMES
FOR EACH item IN list
93
The internet is built on open standards. In this context, what does "open" mean?
The standards cannot be utilized in proprietary software of any form
The official standards can be made, updated, and edited by anyone
The standards can be used in any program that is used exclusively
The standards are made freely available and can be used by anyone
94
The following program is intended to find the average of a class's scores. What does the code segment display?
20
5
0
Nothing, runtime error
95
Which of the following is an ethical concern of software and content licensing?
A license might unfairly damage a buyer's ability to exercise their rights
A license typically forbids copying the software
A license may prohibit using the software for illegal activities
None of the above
96
What will the following program display?
13
4
0
35
97
What is the purpose of the transmission control protocol/internet protocol (TCP/IP) suite?
Controls that data is made into packets, address, transmit, and reassemble
It controls the removal of electronic mail messages from a server
It enables the transmission of text communication in both directions
Controls the encryption of messages sent over a network using symmetric-key
98
Which of the following is NOT an example of using citizen science as a possible solution?
Calculating PSAT scores for a school district
The behavior of fireflies during the summer months
Collecting recordings using ultrasonic microphones
The behavior of the mysterious and wonderful jellyfish
99
How have text-based systems (email, SMS, chat, etc.) affected modern communications? (2 answers
It is harder to communicate emotions
Text-based communication is faster and reaches more people
People are guaranteed to only connect with people they know
Its easier to share work through attachments, embeds, and hyperlinks
100
What role do the secure sockets layer (SSL) and transport layer security (TLS) protocols play in web communication?
Neither protocol plays any role; they are vestigial features from internet
SSL and TLS are used to initiate server connections
SSL and TLS encrypt communications to ensure that the data cannot be read
SSL and TLS manage directory services and their use online

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