AP COMPUTER SCIENCE PRINCIPLES - FINAL EXAM REVIEW QUESTIONS WITH CORRECT
ANSWERS LATEST UPDATE 2026
Prototype - Answers preliminary sketch or idea for something new
Binary Question - Answers question with only two answers
Binary Message - Answers message that can only be one of two values
Bit - Answers "Binary Digit"
single unit of info
Bit rate - Answers # of bits per unit of time
ex: 8 bits/sec
Protocol - Answers a set of rules about transmitting data
Bandwidth - Answers amount of bits that can travel
measured in bit rate
latency - Answers time it takes for a bit to travel from its sender to its reciever
ASCII - Answers universal raw text format
(American Standard Code for Information Interchange)
Code - Answers instructions for a computer
RFC - Answers documents that contain standards and protocols published on the IETF website
(Request For Comments)
IP Address - Answers a number assigned to any item connected to the internet
Packets - Answers small chunks of info that have been formed form larger chunks or info
Router - Answers a computer which receives messages travelling across a network and redirects
them towards their destinations based on the addressing info in the message
TCP - Answers provides reliable, ordered, and error-checked delivery of a stream of the internet;
related to IP and usually seen TCP/IP
(Transmission Control Protocol)
DNS - Answers the internet's system for converting alphabetic names into numeric IP addresses
, (Domain Name System)
HTTP - Answers the protocol used by the World Wide Web; describes how messaged are
formatted, interchanged, and responded to
(Hypertext Transfer Protocol)
Abstraction - Answers reducing info and details to focus on the essential characteristics; to
break problems up into parts which can be solved separately and recombined to form a
complete solution; to focus and use something based on what it does without concern for how
it does it
Server - Answers a computer that awaits and responds to requests for data
Client - Answers a computer that requests data stored on a server
Heuristic - Answers a problem solving approach (algorithm) to find a satisfactory solution where
finding an exact solution is impractical or impossible
Lossless Compression - Answers a data compression algortithm that allows the original data to
be perfectly reconstructed from the compressed data
Image - Answers a type of data used for graphics or pictures
Metadata - Answers data that describes other data
ex: digital images may include picture size, resolution, etc
Pixel - Answers "Pixel Element"
fundamental unit of a digital unit
Hexadecimal Number System - Answers a number system with 16 distinct symbols
0123456789ABCDEF
Lossless - Answers a compression scheme in which every bit of the original data can be
recovered from the compressed file
Lossy - Answers a compression scheme in which "useless" or less-than-totally-necessary info is
removed to reduce the size of the data
Hypothesis - Answers a proposed explanation for some phenomenon uses as the basis for
further investigation
README - Answers a document providing background info about a dataset
CSV - Answers "comma-separated values"
ANSWERS LATEST UPDATE 2026
Prototype - Answers preliminary sketch or idea for something new
Binary Question - Answers question with only two answers
Binary Message - Answers message that can only be one of two values
Bit - Answers "Binary Digit"
single unit of info
Bit rate - Answers # of bits per unit of time
ex: 8 bits/sec
Protocol - Answers a set of rules about transmitting data
Bandwidth - Answers amount of bits that can travel
measured in bit rate
latency - Answers time it takes for a bit to travel from its sender to its reciever
ASCII - Answers universal raw text format
(American Standard Code for Information Interchange)
Code - Answers instructions for a computer
RFC - Answers documents that contain standards and protocols published on the IETF website
(Request For Comments)
IP Address - Answers a number assigned to any item connected to the internet
Packets - Answers small chunks of info that have been formed form larger chunks or info
Router - Answers a computer which receives messages travelling across a network and redirects
them towards their destinations based on the addressing info in the message
TCP - Answers provides reliable, ordered, and error-checked delivery of a stream of the internet;
related to IP and usually seen TCP/IP
(Transmission Control Protocol)
DNS - Answers the internet's system for converting alphabetic names into numeric IP addresses
, (Domain Name System)
HTTP - Answers the protocol used by the World Wide Web; describes how messaged are
formatted, interchanged, and responded to
(Hypertext Transfer Protocol)
Abstraction - Answers reducing info and details to focus on the essential characteristics; to
break problems up into parts which can be solved separately and recombined to form a
complete solution; to focus and use something based on what it does without concern for how
it does it
Server - Answers a computer that awaits and responds to requests for data
Client - Answers a computer that requests data stored on a server
Heuristic - Answers a problem solving approach (algorithm) to find a satisfactory solution where
finding an exact solution is impractical or impossible
Lossless Compression - Answers a data compression algortithm that allows the original data to
be perfectly reconstructed from the compressed data
Image - Answers a type of data used for graphics or pictures
Metadata - Answers data that describes other data
ex: digital images may include picture size, resolution, etc
Pixel - Answers "Pixel Element"
fundamental unit of a digital unit
Hexadecimal Number System - Answers a number system with 16 distinct symbols
0123456789ABCDEF
Lossless - Answers a compression scheme in which every bit of the original data can be
recovered from the compressed file
Lossy - Answers a compression scheme in which "useless" or less-than-totally-necessary info is
removed to reduce the size of the data
Hypothesis - Answers a proposed explanation for some phenomenon uses as the basis for
further investigation
README - Answers a document providing background info about a dataset
CSV - Answers "comma-separated values"
