Which of the following must be true about the code that she writes?

Selection is necessary, but looping is not.

Which of the following lists the numbers in order from least to greatest?

Decimal 11, Binary 1100, Hexadecimal D

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

Moose Benji Novack Waffle Noodles

Which of the following statements is NOT correct:

Hardware is the lowest level of abstraction.

What will the following code segment display?

Nothing will be displayed due to an error.

What should replace to successfully find the sum of all odd integers?

IF(NOT num MOD 2 = 0){sum ← sum + num}

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Questions 90

Answers

1
What is a bit?
1 and 2
2 and 0
1 and 0
2 and 3
2
Which of the following must be true about the code that she writes?
Neither selection nor looping are necessary.
Looping is necessary, but selection is not.
Selection is necessary, but looping is not.
Both selection and looping are necessary.
3
In what order will the numbers appear after running the algorithm below?
5, 6, −5, 6
5, 6, 3, 3
5, 7, 4, 3.5
5, 7, −6, 7
4
Information about other data
Metabytes
Metadata
Hypertext
Hyperdata
5
What is the minimum number of binary digits needed to store the number 56?
3
6
1
5
6
What could a single binary value represent?
Time
If a light is on or off
Volume on a radio
Temperature in degrees Celsius
7
What will the following code segment display?
22
10
30
1
8
Which command can replace <Missing Condition> to result in the last column of the table shown below?
a OR b
NOT (a AND b)
b AND (a AND b)
a AND (a AND b)
9
What is the appropriate name for the procedure?
SPIN()
CAN_ESCAPE()
IS_TRAPPED()
ESCAPE()
10
What will be the result of the displayed program?
6 14
9 5 7
14 6
7 5 9
11
A device on a network that transfers packets towards their destination
Client
Client
Router
Server
12
Which ofthe following will correctly replace /*missing code */ ?
NOT CAN_MOVE(forward)
CAN_MOVE (right)
CAN_MOVE(right) OR NOT CAN_MOVE(forward)
NOT CAN_M0VE (right)
13
JPEG and MP3 are examples of this type of data compression
Lossless
Lossless
Lossy
Media
14
For the following data structure, which search algorithm would work as intended to find the value 35?
Bubble sort
Binary search
Linear search
Insertion sort
15
Which of the following illustrate ways that the internet facilitates collaboration
I, II, and III
II and III only
I and III only
I only
16
What is displayed after running the algorithm below?
12
133
43
145
17
Using a computer to find patterns and insights on a large set of data
Programmatic Analysis
Hive Mind
Crowdsourcing
Machine Learning
18
What ASCII character is represented by the binary (base 2) number 1001010 ?
I
H
K
J
19
What will be the output of the following program?
14 6
7 5 9
14
9 5 7
20
Which of the following lists the numbers in order from least to greatest?
Decimal 11, Binary 1100, Hexadecimal D
Decimal 11, Hexadecimal D, Binary 1100
Hexadecimal D, Decimal 11, Binary 1100
Binary 1100, Decimal 11, Hexadecimal D
21
Consider the following code segment, which uses the variables r, s, and t.
1 1
3 2
1 2
2 3
22
8 bits
kilobit
bite
bitrate
byte
23
What is returned by cube(cube(2))?
512
128
8
64
24
Simplifying complexity in computer science is called
Data Mining
Functional Programing
Abstriction
Abstraction
25
Which of the following would NOT be a factor in the digital divide?
Geographic Location
Hardware Brand
Ability to access
Age
26
Which would best be used for lossless data compression?
Hoffman Coding
Astentuation
Attenuation
Huffman Coding
27
Which of the following protocol standardization is NOT a function of the IETF (Internet Engineering Task Force)?
Hypertext Transfer Protocol
Internet Protocol
JavaScript Coding Protocol
Simple Mail Transfer Protocol
28
What will the following algorithm display after running the code below?
3
4
1
2
29
Code meant to be read by other people. Not meant to be instructions for a computer
Instruction set
Pseudocode
Peoplespeak
HTTP
30
Using people all over the internet to complete a task. Each doing their own small part.
Crowdsourcing
Surf Spreading
Subbing Out
Outsourcing
31
What is displayed after the following algorithm is run?
132
50
100
32
32
What is displayed as a result of executing the following code segment?
Moose Benji Novack Waffle Noodles
Dog Waffle Moose Noodles Novack Benji
Dog Waffle Noodles Moose Novack Benji
Waffle Moose Noodles Novack Benji
33
True or False: A Heuristic Approach is not time-dependent in reaching a solution.
False
True
34
Sort the following by levels of abstraction, from lowest to highest:
I, III, IV, II
I, IV, III, II
I, II, III, IV
I, IV, II, III
35
The following program is intended to display the string 789. What type of error will the following procedure cause?
Syntax error
No error
Logic error
Runtime error
36
Doing something over and over
Runtime
Heuristic
Iteration
Algorithm
37
We can convert a number from decimal to octal (base 8) by repeatedly subtracting the largest possible powers of what?
8
9
2
8
38
Which of the following statements is NOT correct:
Hardware is the lowest level of abstraction.
Binary data is processed by physical layers of computing hardware.
Logic gates are modeled by Boolean functions.
Logic gates are used to perform operations such as addition and subtraction
39
A program that gives away it's code for free is called
Open Source
Copyrightless
Creative Commons
Proprietary
40
What will the following code segment display?
3
11
6
Nothing will be displayed due to an error.
41
Which of the following can be represented by a single binary digit?
Geographic location
Light on / light off
Date
Time
42
What is the code segment displaying?
68
17
0
34
43
What should replace <block of statements> to successfully find the sum of all odd integers?
sum ← sum + num
IF(NOT num MOD 2 = 0){sum ← sum + num}
{sum ← sum + myInts}
sum ← sum / 2 + num, , sum ← sum / 2 + numIF( myInts MOD 2 = 0)
44
Transmission Control Protocol works with what to make sure packs arrive at their destination
Cloud Computing
DNS
Internet Protocol
Intellectual Property
45
Malware that replicates itself is called
Virus
Exploit
Ransonware
Bootlooper
46
Look at the picture
(num MOD 2) = 0
(num MOD 1) = 0
(num MOD 1) = 1
(num MOD 2) = 1
47
What does the algorithm display?
7
5
4
3
48
What binary number is equal to 10001BIN + 3DEC?
11100BIN
10011 BIN
10100BIN
11110BIN
49
True or (False and True)
True
False
50
What is the following program returning?
25
20
37
27
51
Which of the following lines of code would cause an error with a robot?
CAN_MOVE (right)
NOT CAN_MOVE (left)
CAN_MOVE (north)
NOT CAN_M0VE (forward)
52
What are two aspects of efficiency?
wall clock time and CPU time
execution time and length of code
memory usage and length of code
execution time and memory usage
53
Which of the above, represented in binary as a byte, contains the most zeros?
p
K
C
.
54
Look at picture.
4
3
2
1
55
What will be the values of x and y after this code segment executes?
x is 30, y is 40
x is 40, y is 30
x is 40, y is 40
x is 20, y is 20
56
True or false: The larger the bit rate, the smaller the size of the file.
True
False
57
Why is it important to find an efficient solution to a problem?
An efficient solution can make it easier to analyze larger data sets.
An efficient solution uses more computer resources
An efficient solution can always be solved in a reasonable amount of time.
An efficient solution makes it harder to copy an algorithm.
58
Which of the choices below properly identify these concepts?
Hash Codes and Key Transfers
Lexicographic and Asymmetric
Symmetric and Steganography
Asymmetric and Symmetric
59
What will the above program display?
2 8 14
4 8 8
3 8 0
Nothing due to an infinite loop
60
Which of the following types of components is necessary for cybersecurity?
I, II, and III
I only
III only
I and II only
61
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.
The number and size of pixels will be less.
62
DNS stands for
Domain Norming Servers
Digital Name Server
Domain Name System
Dongle Network Stream
63
An example of a Higher Level Programming language is
Machine Language
Python
Kernel
Assembly
64
What will the program segment display?
2
34
3
99
65
Which of the following test cases will NOT find the maximum number in the list?
list1[23, 67, 3]
list1[4]
list1[−23, −67, −3, −7]
list1[0, 0, 0, 0]
66
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
67
Which best explains what happens when a new device is connected to the Internet?
A Web site is assigned to the device.
An Internet Protocol (IP) address is assigned to the device.
A device driver is assigned to the device.
A packet number is assigned to the device.
68
What will the executed code display?
All odd numbers between 1 and 12
All even numbers between 3 and 12
All even numbers between 1 and 12
All odd numbers between 3 and 12
69
What is the minimum number of searches for a binary search using an ordered list of 100 numbers?
1
8
0
100
70
Running multiple threads on different processors at the same time
Hyperthrottling
Concurency
Parallel Computing
Bitspliting
71
Which of the following is a cause of the digital divide?
All of the above
Lack of access to the technology due to affordability
Lack of access to technology due to location
Lack of knowledge on how to use technology
72
An attempt to get a victim to submit sensitive data by imitating a legitimate authority
Buffer Overflow
Phishing
Rootkit
Backdoor
73
What should replace so the program below displays TRUE 60% of the time?
x MOD 2 = 0
x MOD 5 = 0
x MOD 2 = 1
x MOD 5 = 5
74
What is the value of sum displayed after this algorithm is run?
0
Error
6
4
75
Look at the imge
j>7
j ≥ 6
j=7
j=6
76
Metadata is defined as data about data. Which of the statements below are true.
All of the above
I only
I, II, and IV only
II, III, and IV only
77
What command can replace <Missing condition> to get the results shown in the fourth column of the table?
a OR b
NOT(a AND b)
NOT(a OR a)
NOT b
78
What percentage of the time will the following program display a number?
25%
75%
20%
10%
79
Which of the following statements are true about undecidable problems in computer science?
I only
I, II, and III
I and II
II and III
80
The decimal number for the binary number 100101 is
42
37
33
12
81
Which of the following changes how information looks and restricts access?
Encoding
Encryption
82
Which of the following best approximates the minimum possible time to run all five processes?
7 seconds
18 seconds
10 seconds
8 seconds
83
Searching a set by starting at the beginning and working your way to the end.
Linear Search
Quick Search
Bubble Search
Binary Search
84
Websites leave these in your browser so they can identify or track you
Certificate
Algortithm
SMTP
Cookie
85
read below
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.
All of the above.
86
What is displayed after the following algorithm is run?
100
32
132
50
87
How many lines need to be cut to completely isolate computer E from computer C?
8
3
6
0
88
What is returned by mystery (1, 2)?
4
2
10
8
89
What is the code below displaying?
2, 4, 6, 8, 10, 12, 14
3, 6, 9, 12, 15
Nothing will be displayed
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
90
The maximum rate at which data can transfer
Bandspeed
Bandwidth
Bitstream
Latency

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