American Standard Code for Information Interchange.

How does a computer resolve a domain name into an IP address?

It asks a DNS server for the corresponding IP address

Select the answer that lists the units of bytes in ascending order (from smallest to largest)

kilobyte, gigabyte, terabyte, gigabyte, megabyte, terabyte

You connect a new device to your Wi-Fi internet connection at home. What will happen next?

The device will be assigned a new IP address

Which of the following is an example of a binary question?

Do you like the color red or purple?

What are two aspects of efficiency?

execution time and memory usage

What must you consider when determining the efficiency of an algorithm? Select two choices.

The length of time required to run the program, The amount of resources, such as storage, required

Which of the following are benefits of well-named variables? Select two answers.

The program will be easier to read., The program will be easier for others to debug.

Which of the following are benefits of using well-named variables in a computer program? Select two answers.

The program will be easier for people to read., The program will be easier to modify in the future.

Which of the following best describes the purpose of a design specification?

Describing the requirements for how a program will work

Which of the following is NOT true about TCP/IP packets?

TCP guarantees that no packets are ever dropped

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Answers

1
covert 11110 from binary to decimal
15
30
19
200
2
An image can be represented as a grid of values. Each value encodes the color at that position in the image.
Binary
RGB Encoding
Bit
Pixel Image
3
Data that can be measures continuously, such as the temperature outside
compressed data
metadata
analog data
image data
4
Which of the following decimal (base-10) values is equivalent to the binary (base-2) value 101001?
41
37
82
22
5
An innovation must always be a brand new product that has never been sold or seen on the market.
False
True
6
A new or improved idea, device, product, etc, or the development thereof
Protocol
Innovation
Latency
Bandwidth
7
ASCII stands for the
American Systematic Code for Information Interchange.
American Standard Code for Internet Information.
American Systematic Code for Internet Information.
American Standard Code for Information Interchange.
8
What value does the above code segment display?
36
No value is ever displayed, the algorithm repeats the REPEAT UNTIL block.
22
53
9
A data compression algorithm that allows the original data to be perfectly reconstructed from the compressed data.
lossless compression
data compression
analog compression
lossy compression
10
What condition will make the above an infinite loop?
y ≥ 8
y≠-3
y = -108
y < -53
11
How many characters can be represented in the standard ASCII
28
216
215
27
12
How does a computer resolve a domain name into an IP address?
It creates an IP address for the domain, and shares it with the closest DNS
It asks a DNS server for the corresponding IP address
It uses a Border Gateway Protocol to get the address from a nearby computer
It scans addresses until it finds the one it's looking for
13
Select the answer that lists the units of bytes in ascending order (from smallest to largest)
megabyte, terabyte, kilobyte
kilobyte, gigabyte, terabyte
gigabyte, terabyte, megabyte
gigabyte, megabyte, terabyte
14
8 bits is enough to represent 256 numbers. How many total bits do you need to represent 512 (twice as many) numbers?
17 Bits
9 Bits
10 Bits
16 Bits
15
You connect a new device to your Wi-Fi internet connection at home. What will happen next?
The device will be assigned a new Web address
The device will be assigned a new IP address
The device will be assigned a new device driver
The device will be assigned a new packet number
16
Consider the above code. Assuming that before this code is run, x = 1. What would be displayed at the end?
16
210
1
8
17
What is the binary equivalent to the decimal number of 78?
1001100
1100110
1001110
1110001
18
Which of the following is an example of a binary question?
Do you like the color red or purple?
Why do you want to go to the football game tomorrow night?
How do you cook a turkey?
What are the steps involved in building an app?
19
What would be displayed after the following code is run?
-4
2
14
4
20
Large amounts of data that can potentially be mined, examined, and used by organizations is the definition of
data collection
big data
usable data
data set
21
What does HTTP stand for?
Head To This Page
Hyper Text Transfer Protocol
Hyper Tense Tall Penguins
Nothing, it's supposed to be HTML
22
A way of representing information using only two options.
Power of 10
Power of 1
Binary
Decimal
23
A freely accessible license whereby a creator determines the use of his or her own work.
Open Source
Creative Commons
Intellectual Property
Copyright
24
Working together to facilitate the application of diverse talents and skills is the definition of:
ReCAPTCHA
visualization
crowdsourcing
collaboration
25
The standard unit of measurement for binary data in most computers. Grouped in 8 pieces of data.
MegaByte
Bit
GigaByte
Byte
26
Which of the following is a reason for the importance of variables in programming?
All of these
Variables allow you to store values calculated by the program.
Variables assist in making code more readable.
Variables allow you to change a value used in multiple places in a program
27
What are two aspects of efficiency?
execution time and memory usage
execution time and length of code
wall clock time and CPU time
memory usage and length of code
28
What must you consider when determining the efficiency of an algorithm? Select two choices.
The length of time required to run the program
The amount of resources, such as storage, required
The number of characters used to write the program
The language in which the program is written.
29
Which tool helps to plan code/write an algorithm?
flow charts
the app developer on Code.org
Microsoft Word
the Internet Simulator
30
Which of the following are benefits of well-named variables? Select two answers.
The program will run faster.
The program will be easier to read.
The program will use less resources.
The program will be easier for others to debug.
31
Amelia want to research wild mustangs of the west. Which search would give accurate results? 2 answers
"Mustang, not the car"
Mustang -car
Site: Mustang
Mustang NOT car
32
The principle that all Internet traffic should be treated equally by Internet Service Providers.
Protocol Hacks
Protocol Vulnerabilities
Net Neutrality
Internet Censorship
33
The time it takes for a bit to travel from its sender to its receiver.
bandwidth
bit rate
protocol
latency
34
Which management approach uses statistics and math techniques?
Qualitative
Contingency
Quantitative
Systems
35
Which of the following would be the most appropriate name for a variable?
t
variable1
amountOfTimeRemainingInTheGame
time_left
36
The single unit of information in a computer, typically represented as a 0 or 1.
binary
bandwidth
bit
latency
37
The building blocks of a image, typically a tiny-square that contains a single byte of color data for a larger image
metadata
sampling
colors
pixel
38
In a flowchart, a typical decision symbol has what type of output?
numerical
boolean (true/false)
None of these
text
39
Which of the following are benefits of using well-named variables in a computer program? Select two answers.
The program will have a greater data storage capacity.
The program will run faster.
The program will be easier for people to read.
The program will be easier to modify in the future.
40
Which of the following best describes the purpose of a design specification?
Tracking errors that arise through user testing
Describing the requirements for how a program will work
Documenting comments that will need to be added to a program
Listing detailed questions that will be asked of users during interviews
41
Which of the following decimal values, when converted to binary have exactly 3 zeros in them. Select two answers.
40
30
50
20
42
compression used most commonly in jpg files. Also known as irreversible compression
sampling
lossless compression
data compression
lossy compression
43
George is the manager at a consulting firm. He expects productivity and works hard. What type of leader is he?
Team leader
Country club leader
Produce or perish leader
Impoverished
44
I don't understand the binary code that is used to make a picture on my screen, but I understand the picture. This is...
powerful stuff
an abstraction
an algorithm
metadata
45
What is the 4-bit binary number for the decimal number Ten (10)?
0101
0010
0110
1010
46
______________ provides reliable, ordered, and error-checked delivery of a stream of packets on the internet.
Transmission Control Protocol
The Internet Service Provider
Internet Task Force
47
What Comparison operator can be used to check if someone is 18 or older?
age >= 18
age <= 18
age > 18
age < 18
48
the number 256 can only be represented using the decimal system.
True
False
49
Which of the following is NOT true about TCP/IP packets?
TCP guarantees that no packets are ever dropped
Packets can be routed on different paths from sender to receiver.
Messages are broken into packets to improve reliability of the internet
Packets are can be reassembled when received out of order.
50
A response that can only be 1 of 2 possible values is a ____________.
binary response
binary image
binary message
binary question
51
Throwing away some data to save space. We can throw away data without any noticeable difference from the original.
Lossless Compression
Data Compression
Lossy Compression
Cryptography
52
The main colors that are combined to make the broad array of colors that appear on any device with a screen.
ROYGBIV
Red, Green, Blue
Red, Yellow, Blue
green, yellow, Violet
53
The list of steps to finish a task are called a(n) _________________.
abstraction
bit
innovation
algorithm
54
Which of the following will cause an algorithm to fall into an infinite loop?
The input operations are missing
The condition of the loop never becomes false
The algorithm uses more than one loop
The output operations are missing
55
What is digital data?
Data that measures continous changes in a environment
Data that is measured based on a limited set of values.
Data for all electronic devices
Data for image files so you can upload you images anywhere.
56
Which of the following can be represented by a single binary digit?
The direction of travel for an elevator
The speed limit on a major highway
The temperature setting of a thermostat
A darkness setting on a toaster
57
Which is the part of a computer which stores instructions and information which has been input to the computer?
Binary
Machine Code
RAM
CPU
58
What is the service that translates URLs to IP addresses?
TCPTCP
DNS
ISP
IETF
59
The process of encoding information, using fewer bits than the original representation.
Data Compression
Binary
Lossy Compression
RGB Encoding
60
If the variable score has a value of 10 at the start, and runs through the following flowchart what will the value be?
10
13.5
10.5
11
61
A type of data used for graphics or pictures
metadata
Image
Pixelation widget
Sampling
62
Managing complexity by “removing” information and detail, in order to focus on the relevant concepts.
Number System
Data
Abstraction
Binary
63
Information (numbers, words, measurements, observations, etc) that is in a computer-readable form.
Binary
Data
Number System
Abstraction
64
Which variable is named correctly?
blueFish
Bluefish
BLUEFISH
BlueFish
65
A single unit of computer information represented as a 0 or 1
pixel
byte
compressed data
bit
66
Small chunks of information that have been carefully formed from larger chunks of information
Routers
Protocols
IP Addresses
Packets
67
The number of bits that are conveyed or processed per unit of time. (For example, 8 bits/sec.)
bit
binary rate
bit rate
bit protocol
68
What is the largest number you can make binary and then converted to decimal using only the fingers on your left hand?
32
15
31
63
69
A number assigned to any item that is connected to the Internet
Internet Protocol
IP Packet
IP Address
70
What system is used to recommend movies on streaming sites?
Preference categorization
Statistical probability model
Information filtering
Reference grouping
71
Number system that has 2 digits, 0 and 1. This is how computers represent numbers at the base level.
Hexadecimal Number System
Number System
Binary Number System
Decimal Number System
72
Read the question below:
The brightness of all pixels in the resulting image will be darkened.
The resulting image will be a grayscale version of the original image.
All of the colors will be inverted.
The resulting image will be completely white.
73
convert 0110 from binary to decimal
12
10
15
6
74
What is an Event?
Something that is happening in the calendar
An action that doesn’t do anything in the App
An action that will allow you to look up and event
An action that causes something to happen
75
What is the minimum number of bits you would need to encode the 26 letters of the alphabet plus a space (27 characters)
5 Bits
6 Bits
3 Bits
2 Bits
76
Which of the following best defines confidentiality in context with information and data?
The confirmation that a company will not sell your information to others
The certainty that information is accurate
The reliability of access to information
The ability to limit access to information to a certain set of users
77
Information that is freely available online with few or no copyright or license restrictions.
Open Access
Open Source
Open Code
Intellectual Property
78
The representation of information using a chart, diagram, image, etc. is the definition of
concatenation
visualization(s)
indexing
analytics
79
Which of the following best describes high-level computing languages?
They are not very ambiguous
They evolve naturally over time
They are extremely difficult for humans to read and understand
They are very easy for machines to understand and parse
80
Chaining together separate things side by side so that they are treated as one is the definition of
cache
extraction
concatenation
ReCAPTCHA
81
We can convert a number from decimal to octal (base 8) by repeatedly subtracting the largest possible powers of what?
2
9
7
8
82
Intellectual property can be anything you purchased on your own.
True
False
83
What is the User Interface
Elements of which the coder controls
An interface with code
Elements of which the user controls
An interface with options
84
This organization develops and promotes voluntary Internet standards and protocols (TCP/IP)
Internet Society
Internet Architecture Board
Internet Engineering Task Force
World Wide Web Consortium
85
A memory location to store active data temporarily to shorten data access times and reduce latency is the definition of
indexing
cache
analytics
big data
86
A Boolean expression is an expression that evaluates to which of the of the following?
Any single character
True/False
Integers between 1 and 10
Yes/Maybe/No
87
The process for reducing the amount of bits needed to represent a piece of information.
Lossy compression
Lossless compression
Compressed files
Data compression
88
Transmission capacity measure by bit rate is the _____________.
bandwidth
protocol
latency
binary message
89
A process for creating a digital image from analog data by measuring data along sequentially smaller sample sizes.
Analog measurements
3D printing
Expressive Art
Sampling
90
Number system that has 16 digits 1 - 9 and A - F.
Hexadecimal Number System
Number System
Binary Number System
Decimal Number System
91
Base 2 Number System. It is a number system that only uses 2 digits (0 and 1).
Abstraction
Binary
Data
Number System
92
Example: When an odometer appears to reset once it passes the highest number that would fit in the screen.
overflow error
user error
round off error
syntax error
93
The Internet is basically a network of computers sending messages to request and send information.
True
False
94
Why does the calculator show 0.66666667 when you perform 2/3?
syntax error
round-off error
user error
overflow error
95
Metadata is...
data to help with compression
data to build an image
data to deconstruct an image
data that describes other data
96
Which of the following is NOT a reason to include comments in programs
Comments help decide whether certain components of a program are important.
Comments help document how code was written for other programmers to use
Comments enable coders to track work throughout the development process
Comments help programmers debug issues in their own code
97
The process of encoding information, using fewer bits than the original representation.
RGB Encoding
Cryptography
Data Compression
Lossy Compression
98
in list [0, 1, 2, 3, 4], what happens if our code tries to access List [5] per the rules of the AP Csp reference guide?
An error message will be produced
The output will be 1
The output will be 4
The program gives us the number 5 because it comes after 4
99
Which of the following questions cannot be easily answered using a binary set of answers?
Would you like to go to the store?
When you write with a pen or pencil, which hand do you use?
Do you prefer Mac or PC computers?
Which is the best song new song from last year?
100
Which of the following illustrates an aspect of efficiency?
All of these
Execution time
Size of program
Memory usage

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