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Maharjan, Rohan Summative Test Project Flashcards | StudBud
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Maharjan, Rohan Summative Test Project
Maharjan, Rohan Summative Test Project
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Answers
1
What will the following algorithm display after running the code below?
4
2
1
3
2
Simulation - Model of a real system in the form of a computer program
False
True
3
The graphic below illustrates how the two compression formats work. Which of the following statements below is NOT true?
All compression processes are purposed for transferring information.
Lossy compression decreases size of data for transmission permanently.
Lossy formats can compress data to rebuild it back to its original state.
Lossless compression transmits data by decreasing size, then resizing back.
4
Brute force - Trying all possible ways to crack a code
True
False
5
World Wide Web - The collection of interlinked website documents
False
True
6
What is the code below displaying?
2, 4, 6, 8, 10, 12, 14
Nothing will be displayed
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
3, 6, 9, 12, 15
7
Which of the following is least likely to receive targeted advertisements
Individuals using the web browser without the Do Not Track option
Individuals using the web browser with the Do Not Track setting engaged
Users with strong passwords and multifactor authentication
Users with a digital certificate that block targeted advertisements
8
What type of error did the procedure suffer from?
Syntax error
No error; the program works as intended
Logical error
Runtime error
9
Internet - A network of independent but connected devices all over the world.
True
False
10
Efficiency - How much work an algorithm requires to find the solution.
False
True
11
What should replace <missing condition> so that the program below displays TRUE 60% of the time?
x >= 6
x < 6
x >= 9
x > 10
12
Public Key - Code that is available for anyone to use.
False
True
13
Path - the location of the data in a hierarchy of folders on the server
True
False
14
One computer calculates a ← 1/3, and another computer calculates b ← 1/3. If a does not equal b. What error is this?
Hexadecimal conversion error
a will equal b on all computers
Roundoff error
Overflow error
15
What will y display?
15
20
0
16
16
Open Protocols - Standards that are own by a multitude of companies
False
True
17
What does the algorithm display?
3
4
7
5
18
What will be the result of the displayed program?
7 5 9
6 14
14 6
9 5 7
19
What would be a good use of constants when initializing variables at the beginning of a program?
I and II only
II and III only
I and III only
I, II, and III
20
What type of error did the procedure below suffer from?
Runtime error
Logical error
No error. The program works as intended.
Syntax error
21
lossless compression - a process for reducing the number of bits without losing any information
True
False
22
Constant - A variable that will constantly grow.
True
False
23
Convert 88 DEC to a binary number.
1111000 BIN
1010101 BIN
1011000 BIN
1000001 BIN
24
What percentage of the time will the program display an even number?
50%
20%
40%
10%
25
Which of the following considerations is likely to affect the ability of the program to process large data sets?
How much memory the program requires to run
The amount of program documentation that should be minimized
How much memory the program requires to run
The order of the data put into the data set
26
How many lines need to be cut to completely isolate computer E from computer C?
3
0
8
6
27
Which of the following is true of effective collaboration?
I, II, III, and V only
II, IV, and V only
All answer choices
I, III, and IV only
28
HTTP(HyperText Transport Protocol) - which is used for sending and receiving web pages
True
False
29
Which command can replace <Missing Condition> to result in the last column of the table shown below?
NOT (a AND b)
a AND (a AND b)
b AND (a AND b)
a OR b
30
Which of the following does NOT need to be considered when determining the credibility of a source?
Publisher’s reputation and credentials
Sponsorship of the article or publisher
Use of persuasive techniques within the source
Author’s reputation and credentials
31
Browser - A program that allows the user to find and view pages on the world wide web.
False
True
32
Domain Name - The IP of the computer that hosts the data
True
False
33
In the following flowchart, what is the value of RESULT?
Always true
Always false
True when either A or B are true
True when both A and B are true
34
overflow error - error from attempting to represent a number that is too precise; the value is rounded
True
False
35
What is the following program returning?
27
20
25
37
36
Digital Divide - The idea that some communities / populations have equal access to computing
True
False
37
The method checkForInEquality() is used when the two values differ. What should replace
<missing code>
in the algorithm?
IF(number = true AND randomNumber = drawing)
IF(number = true OR randomNumber = true)
IF(number = randomNumber)
IF(number ≠ randomNumber)
38
Software - programs and other info used by a computer
True
False
39
packets - small chunks of information that have been carefully formed from larger chunks of information
False
True
40
Protocol - the standard for communication between browsers and servers
False
True
41
Which of the following lists is
NOT
a candidate for a binary search?
A list of words in a dictionary
A list of words from a poem in the order they appear in the poem
A list of students in order of height
A list of numbers from smallest to largest
42
lossy compression - a process for reducing the number of bits without losing any information
False
True
43
Scalability - How well an algorithm performs at larger and larger scales.
False
True
44
Which of the following is NOT metadata for the picture?
The location where the picture was taken
The time the picture was taken
The picture of the dog
The memory space taken up by the picture
45
Public Key - A code that must remain confidential to its respective owner.
False
True
46
We can convert a number from decimal to octal (base 8) by repeatedly subtracting the largest possible powers of what?
2
7
8
9
47
What will be the output of the following program?
7 5 9
14 6
9 5 7
14
48
Cryptology - The study of securing information such that it is inaccessible by third parties.
True
False
49
Projects are typically presented using a graph as opposed to table or raw data. Why might this be?
Select two answers.
Graphs can show trends that might not be easily seen with raw data.
Graphs can be easily placed into a document, while tables cannot
Graphs are easier to read and interpret at a glance.
Graphs are able to show all of the detail necessary to understand data.
50
What is displayed because of executing the code segment?
3 9
9
1 5 7
1 3 5 7 9
51
Binary Search - requires the list to be sorted in order and then cutting the list in half
True
False
52
What should replace so the program below displays TRUE 60% of the time?
x MOD 5 = 0
x MOD 5 = 5
x MOD 2 = 1
x MOD 2 = 0
53
Which of the following is the
MOST
likely data privacy concern of the upgraded game?
The player’s score
How many locations the player visited
How much time a person spent playing the game
Recording whether the player was speeding when driving to a location.
54
Which of the following best approximates the minimum possible time to run all three processes in series?
4 seconds
9 seconds
15 seconds
28 seconds
55
A simulation for a color chooser should result in 25% BLUE. Which of the following could replace <missing condition>?
RANDOM(1, 4) < 2
RANDOM(250, 1000) < 251
RANDOM(1, 2) > 1
RANDOM(5, 8) > 7
56
URL(Uniform Resource Locator) - An address for accessing specific web data located on a server
True
False
57
What is displayed as a result of executing the following code segment?
Dog Waffle Moose Noodles Novack Benji
Moose Benji Novack Waffle Noodles
Dog Waffle Noodles Moose Novack Benji
Waffle Moose Noodles Novack Benji
58
Which of the following is a true statement about data transmitted over the internet?
The domain name system (DNS) has been challenged by the DMCA
Packets are received in the same order that they are sent.
Redundancy is overseen by large companies that set the standards used.
All data traveling over the internet is in binary.
59
What is displayed as a result of executing the code segment?
Dog Golden Bandicoot Cat Fish
Golden Bandicoot Cat Fish
Dog Cat Fish Golden Bandicoot
Dog Cat Fish
60
What is returned by
cube(cube(2))
?
8
128
512
64
61
What does the following algorithm display?
When B is false, the algorithm displays “False.”
It always displays “False.”
When A is false, the algorithm displays “False.”
It always displays “True.”
62
Cipher - Method that decrypts information
True
False
63
round-off error - error from attempting to represent a number that is too large
True
False
64
Metadata - Data that describes other data
True
False
65
DNS (Domain Name System) - The hierarchical addressing protocol that is human-readable
False
True
66
URL - protocol used for transmitting web pages over the Internet
True
False
67
Caesar cipher replaces a letter with a different letter down the alphabet. Caesar cipher is what encryption?
Symmetric encryption
Public key encryption
Home key encryption
No key encryption
68
Which of the following test cases will return the correct average using the above procedure?
numbers[1, 1, 35, 6]
numbers[0, 1, 35, 6]
numbers[3, 5, 11, 6]
numbers[11, 35, 6]
69
What will the following code segment display?
9 10 7 4 1
10
1 4 7 10 9
Nothing will be displayed due to the error index out of bounds.
70
Why does program code have to be run through a compiler?
Program code is write-only until it is run through a compiler.
It doesn’t, as the new program could be run directly from the code.
Program code must be translated into a language the computer understands.
Program code must be debugged by the compiler before it can ever run.
71
What will the following code segment display?
11
3
6
Nothing will be displayed due to an error.
72
Communication - The blockage of data from one computer to another, or from one device to another.
False
True
73
Linear Search - requires the list to be sorted in order and then cutting the list in half
False
True
74
Consider the following procedure,
mystery( x, y )
. What is returned by
mystery (1, 2)
?
10
2
8
4
75
What is the maximum number of searches required if using a linear search on list containing 2,000 numbers?
11
2,000
1,000
1
76
Open Access - policy that allows people to have read access to things, e.g., libraries or online data
False
True
77
Which best describes the role of TCP?
Common protocol to encrypt and decrypt data transferring on the internet
The set of rules for the path packets taken on the fault-tolerant internet
Rules for a numerical label assigned to each internet-connected device
The foundation of data communication for the World Wide Web
78
What is the code segment displaying?
34
68
17
0
79
After watching films, the film site presents users a list of recommendations. What type of system does the site uses?
Information filtering
Reference grouping
Preference categorization.
Statistical probability model
80
What is displayed by running the code segment?
8 4 6
11 3 8
3 3 6
3 11 3
81
IP Address - a number assigned to any item that is connected to the Internet
False
True
82
Analog Data - Data that changes discreetly through a finite set of possible values.
True
False
83
Which of the following input data is needed by the upgraded game that was
NOT
needed by the original game?
Age of the player
Event sensing; an event would be the user pushing a button or screen
GPS location
Picture of the player
84
What is displayed after running the algorithm below?
12
133
43
145
85
What percentage of the time will the following program display a number?
20%
75%
25%
10%
86
Which of the following is true about data compression?
Data compression can be used to reduce the size of a file for transmission.
Lossy compression cannot be used when sending pictures.
Lossless data compression is the best compression under all conditions.
Data compression can be used for pictures and video only.
87
Routers - Networking devices that route traffic between subnetworks on the Internet.
True
False
88
What is the minimum number of lines that must be cut to isolate F completely?
8
4
0
6
89
Server - Cybersecurity data for prohibition of third parties' access
False
True
90
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 image quality will be less and will result in a blurry image.
Some of the data will be lost and cannot be recovered.
91
Which can be used to mitigate the risk of possibly releasing personally identifiable information in large data sets?
I, II, III, and IV only
All answer choices
I, II, and IV only
II, IV, and V only
92
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
Collecting recordings using ultrasonic microphones and sonograms of bats
Behavior of the mysterious and wonderful jellyfish on the beach or water
93
An algorithm has 𝑛 number of steps. Which of the following would be considered a reasonable number of steps?
3^n
n!
100n^4
4^n+8x^2
94
What should replace <missing condition> so that the program below display TRUE 10% of the time?
x <= 1
x < 9
x <= 9
x <= 1
95
What are two aspects of efficiency?
execution time and length of code
execution time and memory usage
memory usage and length of code
wall clock time and CPU time
96
Confidentiality - The ability to give open access to information to the public.
True
False
97
Bit - A basic unit of information in computing and digital communications that can represent 0,1, or 2
False
True
98
What is the value of sum displayed after this algorithm is run?
Error
6
0
4
99
Phishing - sending emails to trick you into giving information
False
True
100
Which of the following types of components is necessary for cybersecurity?
I, II, and III
I only
III only
I and II onlyI and II only - no response given
101
Pseudocode - A programming language used by experts
False
True
102
Redundancy - the absence of connections from one computer to another
True
False
103
Which of the following is
NOT
an investigation tool for designing programs?
Programming the most elegant code
Collecting data through surveys
Direct observations.
User testing
104
Which of the following data is not provided directly by the user, but is necessary for the upgraded game to operate?
User name
Location of landmarks used in the game.
Speed traveling
GPS location of user
105
Procedure isFound(list, item) will return TRUE if an item is found in a list. What will the following procedure display?
[1, 35, 6, 76, 4, 98, 5, 1, 8, 96, −4]
[ ]
[4, 6, −4]
[1, 6, −4]
106
What will the executed code display?
All even numbers between 3 and 12
All odd numbers between 3 and 12
All odd numbers between 1 and 12
All even numbers between 1 and 12
107
Which of the following can be represented by a single binary digit?
Time
Date
Geographic location
Light on / light off
108
Hexadecimal - represents values using numbers 0-10 and letters A-Z
False
True
109
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
110
What will the following code segment display?
11
6
Nothing will be displayed due to an error.
3
111
Which of the following could
NOT
be a potential response in a website's address?
54.116.188.246
128.198.232.65
174.260.45.144
92.11.198.113
112
Which of the following is
LEAST
likely to be included with the game?
Location of highly trafficked roads and bridges
Information about what types of mobile devices can be used
What protocols the mobile device uses to connect to the internet
Location of high-crime areas that should be avoided
113
The algorithm should show the total value,
not counting 13
. What can replace <missing code> for the algorithm to work?
list1 = 13
list1 ≠ 13
item ≠ 13
item = 13
114
Which of the following is considered a potential effect of the mobile game rather than the purpose of the game?
People are not watching where they are walking and are getting injured.
People are exercising.
Players are becoming more cultured by visiting artworks.
Players play the game in their spare time.
115
IP(Internet Protocol) - An addressing system that finds paths to distant computers
True
False
116
Compiler - A translator that takes high level programming languages into machine code.
True
False
117
bandwidth - transmission capacity measure by bit rate
True
False
118
Authentication - Verification that original author of the code is what he or she claims to be.
True
False
119
Iteration - the sequences of the algorithm
True
False
120
What will the following program display?
OXXOO
The program is an infinite loop.
OXXOXXOXX
OOOXX
121
Virus - A kind of malware that tries to spread itself over the network to other computers.
False
True
122
byte - 16 bits
False
True
123
What is true about the packets of information sent?
Packets are received in the order that they are sent.
Packets are sent in multiple paths and can be received out of order.
All of the above.
Packets are sent by the quickest path possible in the correct order.
124
sampling - measuring the analog data at regular intervals called samples
True
False
