What are DNS (domain name systems) used for?

to maintain and translate domain names into (IP) addresses.

What is turtle programming?

a classic method for learning programming using a "turtle"

What does lossy compression mean?

Compression where unnecessary details are deleted forever

Which of the following is listed in the correct order, from smallest to biggest?

Kilobyte, megabyte, gigabyte, terabyte

Which one of these is the main reason for why IPv6 was created?

because of IPv4 address exhaustion

A binary question is defined as:

A question that can be answered in one of two possible ways

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APCS Unit 1-3 Review

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Questions 15

Answers

1
What are DNS (domain name systems) used for?
Provides reliable and ordered delivery of of packets
receives messages traveling across a network
to maintain and translate domain names into (IP) addresses.
2
What is turtle programming?
a method of advanced programming using a "turtle"
a classic method for learning programming using a "turtle"
programming a robotic turtle
3
What does lossy compression mean?
Compression where unnecessary details are deleted forever
Compression where all original data can be recovered later
both
neither
4
What commands do you use to make the turtle move forward and turn left?
moveForward(); turnRight();
moveForward; turnLeft
moveForward(); turnLeft();
;()moveForward;()turnLeft
5
What statement is true about functions?
Meaningful function names help people understand programs
Functions are named groupings of programming instructions
both
6
Which of the following words means the “transmission capacity measured by bit rate?”
latency
bit rate
bandwidth
7
Which of the following Hex codes represents the darker color?
111
FFF
8
Who owns the Internet?
No one
Vint Cerf
Cerf and Khan
Robert Khan
9
Which of the following is listed in the correct order, from smallest to biggest?
Megabyte, gigabyte, kilobyte, terabyte
Kilobyte, megabyte, gigabyte, terabyte
Terabyte, gigabyte, megabyte, kilobyte
10
What is the purpose of using abstractions?
neither
to focus on relevant concepts
both
to simplify something that is more complex
11
What is an approach used to find a satisfactory solution when finding an exact is impossible?
Abstraction
Algorithm
Heuristic
Prototype
12
Which one of these is the main reason for why IPv6 was created?
because it is faster than IPv4
because of IPv4 address exhaustion
IPv4 is less secure
because it's faster and more secure
13
Loops are used in coding when a group of commands need to be repeated.
False
True
14
A binary question is defined as:
A piece of information that is sent in pairs
Two questions which share the same answer
A message which has two possible states
A question that can be answered in one of two possible ways
15
What is ‘pixel’ an abbreviation of?
Picture element
Pinch exel
Picture hexadecimal

APCS Unit 1-3 Review Flashcards | StudBud