AP COMPUTER SCIENCE PRINCIPLES
EXAM 2025/2026 QUESTIONS AND
ANSWERS 100% PASS.
Innovation - ANS a novel or improved idea, device, product, etc. or the development thereof
Prototype - ANS A preliminary sketch of an idea or model for something new. It's the original
drawing from which something real might be built or created.
Bit - ANS A contraction of "Binary Digits". A bit is the single unit of information in a computer,
typically represented as 0 or 1.
Binary - ANS A way of representing information using only two options.
Bandwidth - ANS maximum transmission capacity of the device expressed typically in metric
multiples of bits per second
Bit Rate - ANS The numbers of Bits that are conveyed or processed per unit of time. EX:
8bits/per second.
Latency - ANS the amount of time it takes for a bit to travel from sender to receiver
Protocol - ANS A set of rules governing the exchange or transmission of data between
devices.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,American Standard Code for Information Interchange (ASCII) - ANS The universally recognized
raw text format that any computer can understand.
Code - ANS To write instructions for a computer.
Requests for Comments (RFC) - ANS Documents are how standards and protocols are defined
and published for all to see on the IETF website.
Internet - ANS a tangible physical system that is made to move information
IP Address - ANS A number assigned to any item that is connected to the internet.
Packets - ANS small chunks of information that have been carefully formed from larger
chunks of information for the purpose of transmitting through a network
Router - ANS A computer which receives messages travelling across a network and redirects
them towards their intended destinations based on the addressing information included with
the messages.
Transmission Control Protocol (TCP) - ANS Provides reliable, ordered, and error-checked
delivery of a stream of packets on the internet. TCP is tightly linked with IP and is usually seen as
TCP/IP in writing.
Domain named system (DNS) - ANS The internet's system for converting alphabetic names
into numeric IP addresses.
Hypertext Transfer Protocol (HTTP) - ANS Is the protocol used by the world wide web. It
describes how messages are formatted and interchanged, and how web servers respond to
commands.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Abstractions - ANS Reducing information and detail to focus on essential characteristics.
Server - ANS A computer that awaits and responds to requests for data.
Client - ANS A computer that requests data stored on a computer.
HTTPS - ANS a protocol for secure communication over a computer network which is widely
used on the Internet.
Digital Certificate - ANS an electronic document used to prove ownership of a public key.
DDoS - ANS pertaining to or being an incident in which a network of computers floods an
online resource with high levels of unwanted traffic so that it is inaccessible to legitimate service
requests
HTTP Request - ANS When you type a URL in your browser, your computer (the client) needs
to "ask" the server that is storing the data and images for the web page to return its contents so
your browser can display it.
HTTP Response - ANS When a server receives an HTTP request it will respond with a message
of its own. Once again, the response will be sent entirely in ASCII-text and must be correctly
formatted.
Electricity, light and radio waves - ANS 3 ways we send information
Fiber optic cable - ANS a thread of glass engineered to reflect light
URL - ANS an easy-to-remember address for calling a web page (like www.code.org)
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Net Neutrality - ANS the principle that all Internet traffic should be treated equally by
Internet Service Providers
Byte - ANS 8 bits
Nibble - ANS 4 bits
Heuristic - ANS a problem solving approach (algorithm) to find a satisfactory solution where
finding an optimal or exact solution is impractical or impossible
Lossless - ANS a data compression algorithm that allows the original data to be perfectly
reconstructed from the compressed data
Image - ANS A type of data used for graphics or pictures
Metadata - ANS data that describes other data. For example, a digital image my include
metadata that describe the size of the image, number of colors, or resolution
Pixel - ANS short for "picture element" it is the fundamental unit of a digital image, typically a
tiny square or dot which contains a single point of color of a larger image
RGB - ANS color model using varying intensities of red, green, and blue to produce colors
Lossy - ANS data compression method that uses inexact approximations, discarding some
data to represent the content
Abstraction - ANS pulling out specific differences to make one solution work for multiple
problems
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
EXAM 2025/2026 QUESTIONS AND
ANSWERS 100% PASS.
Innovation - ANS a novel or improved idea, device, product, etc. or the development thereof
Prototype - ANS A preliminary sketch of an idea or model for something new. It's the original
drawing from which something real might be built or created.
Bit - ANS A contraction of "Binary Digits". A bit is the single unit of information in a computer,
typically represented as 0 or 1.
Binary - ANS A way of representing information using only two options.
Bandwidth - ANS maximum transmission capacity of the device expressed typically in metric
multiples of bits per second
Bit Rate - ANS The numbers of Bits that are conveyed or processed per unit of time. EX:
8bits/per second.
Latency - ANS the amount of time it takes for a bit to travel from sender to receiver
Protocol - ANS A set of rules governing the exchange or transmission of data between
devices.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,American Standard Code for Information Interchange (ASCII) - ANS The universally recognized
raw text format that any computer can understand.
Code - ANS To write instructions for a computer.
Requests for Comments (RFC) - ANS Documents are how standards and protocols are defined
and published for all to see on the IETF website.
Internet - ANS a tangible physical system that is made to move information
IP Address - ANS A number assigned to any item that is connected to the internet.
Packets - ANS small chunks of information that have been carefully formed from larger
chunks of information for the purpose of transmitting through a network
Router - ANS A computer which receives messages travelling across a network and redirects
them towards their intended destinations based on the addressing information included with
the messages.
Transmission Control Protocol (TCP) - ANS Provides reliable, ordered, and error-checked
delivery of a stream of packets on the internet. TCP is tightly linked with IP and is usually seen as
TCP/IP in writing.
Domain named system (DNS) - ANS The internet's system for converting alphabetic names
into numeric IP addresses.
Hypertext Transfer Protocol (HTTP) - ANS Is the protocol used by the world wide web. It
describes how messages are formatted and interchanged, and how web servers respond to
commands.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Abstractions - ANS Reducing information and detail to focus on essential characteristics.
Server - ANS A computer that awaits and responds to requests for data.
Client - ANS A computer that requests data stored on a computer.
HTTPS - ANS a protocol for secure communication over a computer network which is widely
used on the Internet.
Digital Certificate - ANS an electronic document used to prove ownership of a public key.
DDoS - ANS pertaining to or being an incident in which a network of computers floods an
online resource with high levels of unwanted traffic so that it is inaccessible to legitimate service
requests
HTTP Request - ANS When you type a URL in your browser, your computer (the client) needs
to "ask" the server that is storing the data and images for the web page to return its contents so
your browser can display it.
HTTP Response - ANS When a server receives an HTTP request it will respond with a message
of its own. Once again, the response will be sent entirely in ASCII-text and must be correctly
formatted.
Electricity, light and radio waves - ANS 3 ways we send information
Fiber optic cable - ANS a thread of glass engineered to reflect light
URL - ANS an easy-to-remember address for calling a web page (like www.code.org)
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Net Neutrality - ANS the principle that all Internet traffic should be treated equally by
Internet Service Providers
Byte - ANS 8 bits
Nibble - ANS 4 bits
Heuristic - ANS a problem solving approach (algorithm) to find a satisfactory solution where
finding an optimal or exact solution is impractical or impossible
Lossless - ANS a data compression algorithm that allows the original data to be perfectly
reconstructed from the compressed data
Image - ANS A type of data used for graphics or pictures
Metadata - ANS data that describes other data. For example, a digital image my include
metadata that describe the size of the image, number of colors, or resolution
Pixel - ANS short for "picture element" it is the fundamental unit of a digital image, typically a
tiny square or dot which contains a single point of color of a larger image
RGB - ANS color model using varying intensities of red, green, and blue to produce colors
Lossy - ANS data compression method that uses inexact approximations, discarding some
data to represent the content
Abstraction - ANS pulling out specific differences to make one solution work for multiple
problems
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
