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APCSP Midterm Review Flashcards | StudBud
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APCSP Midterm Review
APCSP Midterm Review
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Review for Data and Cybersecurity Test
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
short for "picture element"- fundamental unit of a digital image (typically tiny square or dot)
pixel
byte
JPEG
PNG
2
The "digital divide" refers to
Social profiling when providing technological services
The difference between generations of computing tech
The abstraction between electric pulses and digital bits
Gulf between those with access to tech, and those without
3
which of the following is not an image file?
png
jpeg
mp4
gif
4
How many bytes is a kilobyte (approx)?
1,000,000,000,000 (10 ^ 12, one trillion)
1,000 (10 ^ 3, one thousand)
1,000,000 (10 ^ 6, one million)
1,000,000,000 (10 ^ 9, one billion)
5
A conceptual approach to managing complexity
What is a heuristic?
What is HTML?
What is abstraction?
What is programming?
6
Number system consisting of 16 distinct symbols 0-9 and A-F that can occur in each place value
Hexadecimal
Octal
Decimal
Binary
7
A popular method for encoding characters as numbers
HTML
ASCII
TCP/IP
DNS
8
Known as irreversible compression
Lossy Compression
Lossless Compression
9
Break problems into parts to be solved separately & recombined for complete solution
What is top-down design?
What is abstraction?
What is compression?
What is heuristics?
10
data that describes other data. Ie: the size of the image, number of colors, or resolution.
metadata
compressed data
big data
pixel
11
Order from smallest to largest
gigabyte, terabyte, kilobyte
terabyte, kilobyte, gigabyte
kilobyte, gigabyte, terabyte
terabyte, gigabyte, kilobyte
12
How big is a typical .JPG image?
100 - 1000KB
under 10 MB
under 50 KB
250 KB - 2 MB
13
problem solving approach to find satisfactory solution when an exact solution is impossible
computer program
heuristic
protocol
algorithm
14
What is bandwidth?
A method of managing complexity
the time interval between stimulus and response
A protocol for communicating on the internet
the bit-rate; may be measured in bits per second
15
the ___ color model uses varying intensities of red, green and blue light mixed together
WYSIWYG
ROYGBIV
RGB
GBR
16
Which of the following issues is addressed through “Net Neutrality”
unequal access to computing devices by all people
ISP’s blocking content that ride over networks
Poor transmission speeds on the internet
Fault-tolerant communication systems
17
Use something based only on what it does w/o concern for the details of it's functionality
What is compression?
What is abstraction?
What is a bit?
What is a byte?
18
1. Which of the following is NOT true about the Internet Protocol (IP) system?
b) IPV4 system is being replaced with IPV6
An IP address is similar to a street address
c) IP makes use of HTTP in carrying out its functions
a) IP addresses are hierarchical
19
1. The members of the Internet Engineering Task Force (IETF) are
A loosely organized collection of citizens and engineers
A collection of ISP's
Political leaders and heads of state
A set of government agencies who oversee the internet
20
A conceptual tool that allows us to ignore low-level details when they are unnecessary
What is an algorithm?
What is compression?
What is metadata?
What is abstraction?
21
How big is 1 minute of an audio file as a .mp3? (size in bytes)
1 KB per minute
1 GB per minute
1 TB per minute
1 MB per minute
22
data compression algorithm - original data can be perfectly reconstructed from compressed data
zip file
lossless compression
abstraction
lossy compression
23
Removing unnecessary details to focus on the essential characteristics.
What is compression?
What is an algorithm?
What is abstraction?
What is a heuristic?
24
What is encryption? (PICK 2)
an example of abstraction
using a coding scheme to make a message undecipherable
a firewall
A cybersecurity measure
25
A ___ is a unit of data that is 8 bits long. Standard “chunk size” for binary info in computers
byte
megabyte
bit
kilobyte
