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

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

What is the advantage of using public key encryption for encrypted communications?

Anyone can encrypt a message to the receiver not knowing how to decrypt it

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

How do open standards ensure the security of encrypted data?

Open standards flaws are publicly documented; more people to address

Why does program code have to be run through a compiler?

Program code must be translated into a language the computer understands.

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]

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

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

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

Moose Benji Novack Waffle Noodles

Why are internet protocols used? (2 answers)

Internet protocols make the internet scalable and encourage growth., a set of rules to ensure the internet can work and transmit info

Which best describes the role of TCP?

The foundation of data communication for the World Wide Web

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

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

How have text-based systems (email, SMS, chat, etc.) affected modern communications? (2 answers

Text-based communication is faster and reaches more people, Its easier to share work through attachments, embeds, and hyperlinks

What role do the secure sockets layer (SSL) and transport layer security (TLS) protocols play in web communication?

SSL and TLS encrypt communications to ensure that the data cannot be read

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 true about data compression?

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

Which of the following is NOT an example of using citizen science as a possible solution?

Collecting recordings using ultrasonic microphones

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

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

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.

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

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

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Rustamova, Maryam Summative Test Project

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Answers

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

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